Items where Author is "Ahmad, H."

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Tiu, Z.C.; Ahmad, F.; Tan, S.J.; Ahmad, H.; Harun, S.W. (2015) Multi-wavelength Q-switched Erbium-doped fiber laser with photonic crystal fiber and graphene – Polyethylene oxide saturable absorber. Optik, 126 (17). pp. 1495-1498. ISSN 0030-4026

Ibrahim, I.; Ibrahim, Z.; Ahmad, H.; Jusof, M.F.M.; Yusof, Z.M.; Nawawi, S.W.; Mubin, M. (2015) An assembly sequence planning approach with a rule-based multi-state gravitational search algorithm. International Journal of Advanced Manufacturing Technology, 79 (5-8). pp. 1363-1376. ISSN 0268-3768

Hmood, J.K.; Emami, S.D.; Noordin, K.A.; Ahmad, H.; Harun, S.W.; Shalaby, H.M.H. (2015) Optical frequency comb generation based on chirping of Mach-Zehnder modulators. Optics Communications, 344. pp. 139-146. ISSN 0030-4018

Irawati, N.; Suthaskumar, M.; John, V.; Ali, N.M.; Ahmad, H.; Harun, S.W. (2015) Fabrication of polymer microfiber by direct drawing. Microwave and Optical Technology Letters, 57 (4). pp. 820-823. ISSN 0895-2477

Zarei, A.; Tiu, Z.C.; Ahmad, F.; Ahmad, H.; Harun, S.W. (2015) Q-switched brillouin fibre laser with multi-wall carbon nanotube saturable absorber. Iet Optoelectronics, 9 (2). pp. 96-100. ISSN 1751-8768

Sabran, M.B.S.; Jusoh, Z.; Babar, I.M.; Ahmad, H.; Harun, S.W. (2015) Dual-wavelength passively Q-switched erbium ytterbium codoped fiber laser based on a nonlinear polarization rotation technique. Microwave and Optical Technology Letters, 57 (3). pp. 530-533. ISSN 0895-2477

Azooz, S.M.; Ahmad, F.; Ahmad, H.; Harun, S.W.; Hamida, B.A.; Khan, S.; Halder, A.; Paul, M.C.; Pal, M.; Bhadra, S.K. (2015) Mode-locked 2 mu m fiber laser with a multi-walled carbon nanotube as a saturable absorber. Chinese Optics Letters, 13 (3). p. 4. ISSN 1671-7694

Azooz, S.M.; Harun, S.W.; Ahmad, H.; Halder, A.; Paul, M.C.; Das, S.; Bhadra, S.K. (2015) A Q-switched fibre laser operating in the 2 mu m region based on nonlinear polarization rotation technique. Ukrainian Journal of Physical Optics, 16 (1). pp. 32-37. ISSN 1609-1833

Batumalay, M.; Harun, S.W.; Irawati, N.; Ahmad, H.; Arof, H. (2015) A study of relative humidity fiber-optic sensors. IEEE Sensors Journal, 15 (3). pp. 1945-1950.

Saidin, N.; Harun, S.W.; Ahmad, H.; Ali, S.M.M.; Damanhuri, S.S.A.; Halder, A.; Paul, M.C.; Das, S.; Pal, M.; Bhadra, S.K. (2015) Enhancement of thulium-Ytterbium doped fiber laser efficiency using dual-pumping method. Microwave and Optical Technology Letters, 57 (2). pp. 285-287. ISSN 0895-2477

Shirazi, M.R.; Harun, S.W.; Ahmad, H. (2015) Effective use of an EDFA and Raman pump residual powers via a Bi-EDF in L-band multi-wavelength fiber laser generation. Laser Physics, 25 (1). ISSN 1054-660X

Azooz, S.M.; Harun, S.W.; Ahmad, H.; Halder, A.; Paul, M.C.; Pal, M.; Bhadra, S.K. (2015) Mode-locked thulium ytterbium co-doped fiber laser with graphene oxide paper saturable absorber. Chinese Physics Letters, 32 (1). ISSN 0256-307X

Emami, S.D.; Soltanian, M.R.K.; Attaran, A.; Abdul-Rashid, H.A.; Penny, R.; Moghavvemi, M.; Harun, S.W.; Ahmad, H.; Mohammed, W.S. (2015) Application of fano resonance effects in optical antennas formed by regular clusters of nanospheres. Applied Physics a-Materials Science & Processing, 118 (1). pp. 139-150. ISSN 0947-8396

Soltanian, M.R.K.; Amiri, I.S.; Alavi, S.E.; Ahmad, H. (2015) Dual-Wavelength Erbium-Doped Fiber Laser to Generate Terahertz Radiation Using Photonic Crystal Fiber. Journal Of Lightwave Technology, 33 (24). pp. 5038-5046. ISSN 0733-8724

Shirazi, M.R.; Taib, J.M.; De La Rue, R.M.; Harun, S.W.; Ahmad, H. (2015) Dynamic characteristics of a multi-wavelength Brillouin-Raman fiber laser assisted by multiple four-wave mixing processes in a ring cavity. Optics and Laser Technology, 66. pp. 63-67.

Sathiyan, S.; Ahmad, H.; Chong, W.Y.; Lee, S.H.; Sivabalan, S. (2015) Evolution of the Polarizing Effect of MoS2. IEEE Photonics Journal, 7 (6). ISSN 1943-0655

Chong, W.Y.; Yap, Y.K.; Ahmad, H. (2015) Low-Threshold Q-Switched Erbium-Doped Fiber Laser Using Molybdenum Disulphide Saturable Absorber Prepared Through Evaporitic Formation. IEEE Photonics Journal, 7 (6). ISSN 1943-0655

Ali, M.M.; Islam, M.R.; Lim, K.S.; Gunawardena, D.S.; Yang, H.Z.; Ahmad, H. (2015) PCF-Cavity FBG Fabry-Perot Resonator for Simultaneous Measurement of Pressure and Temperature. IEEE Sensors Journal, 15 (12). pp. 6921-6925. ISSN 1530-437X

Soltanian, M.R.K.; Amiri, I.S.; Chong, W.Y.; Alavi, S.E.; Ahmad, H. (2015) Stable Dual-Wavelength Coherent Source With Tunable Wavelength Spacing Generated By Spectral Slicing a Mode-Locked Laser Using Microring Resonator. IEEE Photonics Journal, 7 (6). ISSN 1943-0655

Harith, Z.; Irawati, N.; Rafaie, H.A.; Batumalay, M.; Harun, S.W.; Nor, R.M.; Ahmad, H. (2015) Tapered plastic optical fiber coated with Al-Doped ZnO nanostructures for detecting relative humidity. IEEE Sensors Journal, 15 (2). pp. 845-849.

Emami, S.D.; Muhammad, A.R.; Muhamad-Yasin, S.Z.; Mat-Sharif, K.A.; Zulkifli, M.I.; Adikan, F.R.M.; Ahmad, H.; Abdul-Rashid, H.A. (2014) S-Band Gain Improvement Using a Thulium–Aluminum Co-Doped Photonic Crystal Fiber Amplifier. IEEE Photonics Journal, 6 (6). ISSN 1943-0655

Zarei, A.; Jasim, A.A.; Harun, S.W.; Ahmad, H. (2014) Investigation of spontaneous Brillouin scattering generation based on non-adiabatic microfibres. Laser Physics Letters, 11 (12). pp. 1-7. ISSN 1612-2011

Yang, H.Z.; Qiao, X.G.; Rajibul, I.M.; Lim, K.S.; Ahmad, H. (2014) Simultaneous measurement of aliphatic alcohol concentration and temperature based on etched taper FBG. Sensors and Actuators B: Chemical, 202. pp. 959-963. ISSN 0925-4005

Amiri, I.S.; Alavi, S.E.; Fisal, N.; Supa'at, A.S.M.; Ahmad, H. (2014) All-Optical Generation of Two IEEE802.11n Signals for 2 x 2 MIMO-RoF via MRR System. IEEE Photonics Journal, 6 (6). ISSN 1943-0655

Cheong, Y.K.; Chong, W.Y.; Chong, S.S.; Lim, K.S.; Ahmad, H. (2014) Regenerated Type-IIa Fibre Bragg Grating from a Ge–B codoped fibre via thermal activation. Optics & Laser Technology, 62. pp. 69-72. ISSN 0030-3992

Al-Masoodi, A.H.H.; Ismail, M.F.; Ahmad, F.; Kasim, N.; Munajat, Y.; Ahmad, H.; Harun, S.W. (2014) Q-switched Yb-doped fiber laser operating at 1073 nm using a carbon nanotubes saturable absorber. Microwave and Optical Technology Letters, 56 (8). pp. 1770-1773. ISSN 0895-2477

Ahmad, H.; Thambiratnam, K.; Paul, M.C.; Harun, S.W. (2014) Single-longitudinal-mode operation in tunable novel zirconia-yttria-alumina-erbium-doped fiber laser. Laser Physics, 24 (8). pp. 1-6. ISSN 1054-660X

Ahmad, H.; Dernaika, M.; Kharraz, O.M.; Alimadad, M.; Ibrahim, M.F.; Lim, K.S.; Harun, S.W. (2014) A tuneable, power efficient and narrow single longitudinal mode fibre ring laser using an inline dual-taper fibre Mach–Zehnder filter. Laser Physics, 24 (8). pp. 1-7. ISSN 1054-660X

Sulaiman, A.; Harun, S.W.; Ahmad, F.; Ahmad, H. (2014) Nonadiabatic microfiber based mode-locked erbium-doped fiber laser using graphene. Microwave and Optical Technology Letters, 56 (7). pp. 1670-1673. ISSN 0895-2477

Yang, H.Z.; Qiao, X.G.; Lim, K.S.; Harun, S.W.; Chong, W.Y.; Islam, M.R.; Ahmad, H. (2014) Optical Fiber Sensing of Salinity and Liquid Level. IEEE Photonics Technology Letters, 26 (17). pp. 1742-1745. ISSN 1041-1135

Ahmad, H.; Zulkifli, A.Z.; Muhammad, F.D.; Zulkifli, M.Z.; Thambiratnam, K.; Harun, S.W. (2014) Mode-locked L-band bismuth–erbium fiber laser using carbon nanotubes. Applied Physics B: Lasers and Optics, 115 (3). pp. 407-412. ISSN 0946-2171

Rahman, H.A.; Harun, S.W.; Arof, H.; Irawati, N.; Musirin, I.; Ibrahim, F.; Ahmad, H. (2014) Classification of reflected signals from cavitated tooth surfaces using an artificial intelligence technique incorporating a fiber optic displacement sensor. Journal of Biomedical Optics (JBO), 19 (5). 057009. ISSN 1083-3668

Ahmad, H.; Azhari, N.S.; Zulkifli, M.Z.; Muhammad, F.D.; Harun, S.W. (2014) S-band SLM distributed Bragg reflector fiber laser. Laser Physics, 24. pp. 1-4. ISSN 1054-660X

Shirazi, M.R.; De La Rue, R.M.; Harun, S.W.; Ahmad, H. (2014) Multi-wavelength fiber laser generation by using optical wavelength conversion. Laser Physics, 24 (6). pp. 1-5. ISSN 1054-660X

Ahmad, F.; Harun, S.W.; Nor, R.M.; Zulkepely, N.R.; Muhammad, F.D.; Arof, H.; Ahmad, H. (2014) Mode-locked soliton erbium-doped fiber laser using a single-walled carbon nanotubes embedded in polyethylene oxide thin film saturable absorber. Journal of Modern Optics, 61 (6). pp. 541-545. ISSN 0950-0340

Shirazi, M.R.; Harun, S.W.; Ahmad, H. (2014) Multi-wavelength Brillouin Raman erbium-doped fiber laser generation in a linear cavity. Journal of Optics, 16 (3). pp. 1-4. ISSN 2040-8978

Ismail, M.A.; Ahmad, H.; Harun, S.W. (2014) Soliton Mode-Locked Erbium-Doped Fiber Laser Using Non-Conductive Graphene Oxide Paper. IEEE Journal of Quantum Electronics, 50 (2). pp. 85-87. ISSN 0018-9197

Ali, M.M.; Lim, K.S.; Becir, A.; Lai, M.H.; Ahmad, H. (2014) Optical Gaussian Notch Filter Based on Periodic Microbent Fiber Bragg Grating. IEEE Photonics Journal, 6 (1). ISSN 1943-0655

Lokman, A.; Nodehi, S.; Batumalay, M.; Arof, H.; Ahmad, H.; Harun, S.W. (2014) Optical fiber humidity sensor based on a tapered fiber with hydroxyethylcellulose/polyvinylidenefluoride composite. Microwave and Optical Technology Letters, 56 (2). pp. 380-382. ISSN 0895-2477

Batumalay, M.; Rahman, H.A.; Kam, W.; Ong, Y.S.; Ahmad, F.; Zakaria, R.; Harun, S.W.; Ahmad, H. (2014) Evaluation of the tapered PMMA fiber sensor response due to the ionic interaction within electrolytic solutions. Journal of Modern Optics, 61 (2). pp. 154-160. ISSN 0950-0340

Ahmad, H.; Zulkifli, A.Z.; Kiat, Y.Y.; Harun, S.W. (2014) Q-switched fibre laser using 21 cm Bismuth-erbium doped fibre and graphene oxide as saturable absorber. Optics Communications, 310. pp. 53-57. ISSN 0030-4018

Lim, W.H.; Yap, Y.K.; Chong, W.Y.; Ahmad, H. (2014) All-optical graphene oxide humidity sensors. Sensors, 14 (12). pp. 24329-24337.

Zarei, A.; Rosdin, R.Z.R.R.; Ali, N.M.; Ahmad, H.; Harun, S.W. (2014) Brillouin Lasing with a Reduced Self-Pulsing Characteristic Using a Short-Length Erbium-Doped Fiber as the Nonlinear Gain Medium. Chinese Physics Letters, 31 (5). pp. 1-4. ISSN 0256-307X

Attaran, A.; Emami, S.D.; Soltanian, M.R.K.; Penny, R.; Behbahani, F.; Harun, S.W.; Ahmad, H.; Abdul-Rashid, H.A.; Moghavvemi, M. (2014) Circuit Model of Fano Resonance on Tetramers, Pentamers, and Broken Symmetry Pentamers. Plasmonics, 9 (6). pp. 1303-1313. ISSN 1557-1955

Ahmad, H.; Razak, N.F.; Zulkifli, M.Z.; Muhammad, F.D.; Munajat, Y.; Harun, S.W. (2014) Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation. Applied Optics, 53 (19). pp. 4123-4127. ISSN 0003-6935

Tiu, Z.C.; Tan, S.J.; Ahmad, H.; Harun, S.W. (2014) Dark pulse emission in nonlinear polarization rotation-based multiwavelength mode-locked erbium-doped fiber laser. Chinese Optics Letters, 12 (11). p. 113202. ISSN 1671-7694

Babar, I.M.; Sabran, M.B.S.; Jusoh, Z.; Ahmad, H.; Harun, S.W.; Halder, A.; Paul, M.C.; Das, S.; Bhadra, S.K. (2014) Double-clad thulium/ytterbium co-doped octagonal-shaped fibre for fibre laser applications. Ukrainian Journal of Physical Optics, 15 (4). pp. 173-183. ISSN 1609-1833

Jusoh, Z.; Harun, S.W.; Shahabuddin, N.S.; Ahmad, H.; Paul, M.C.; Das, S.; Dhar, A.; Pal, M. (2014) Dual-wavelength erbium-ytterbium co-doped fibre laser operating at 1064 and 1534 nm. Ukrainian Journal of Physical Optics, 15 (3). pp. 118-122. ISSN 1609-1833

Ahmad, H.; Soltanian, M.R.K.; Pua, C.H.; Alimadad, M.; Harun, S.W. (2014) Photonic crystal fiber based dual-wavelength Q-switched fiber laser using graphene oxide as a saturable absorber. Applied Optics, 53 (16). pp. 3581-3586. ISSN 0003-6935

Ahmad, H.; Thambiratnam, K.; Muhammad, F.D.; Zulkifli, M.Z.; Zulkifli, A.Z.; Paul, M.C.; Harun, S.W. (2014) Q-Switching and Mode-Locking in Highly Doped Zr2O3–Al2O3–Er2O3 -Doped Fiber Lasers Using Graphene as a Saturable Absorber. IEEE Journal of Selected Topics in Quantum Electronics, 20 (1). p. 1100108. ISSN 1077-260X

Sulaiman, A.; Harun, S.W.; Ahmad, H. (2014) Ring microfiber coupler erbium-doped fiber laser analysis. Chinese Optics Letters, 12 (2). 021403. ISSN 1671-7694

Batumalay, M.; Ahmad, F.; Lokman, A.; Jasim, A.A.; Harun, S.W.; Ahmad, H. (2014) Tapered plastic optical fiber coated with single wall carbon nanotubes polyethylene oxide composite for measurement of uric acid concentration. Sensor Review, 34 (1). pp. 75-79. ISSN 0260-2288

Azooz, S.M.; Hamida, B.A.; Khan, S.; Eltaif, T.; Jasim, A.A.; Ahmad, H.; Harun, S.W. (2014) Аll-fibre dual-wavelength thulium-doped fibre laser based on spatial filtering effect. Ukrainian Journal of Physical Optics, 15 (2). pp. 79-83. ISSN 1609-1833

Yang, H.Z.; Chong, W.Y.; Qiao, X.G.; Lim, M.J.; Lim, K.S.; Islam, M.R.; Ali, N.M.; Ahmad, H. (2013) 1.3 and 1.55μm Thermally Regenerated Gratings in Hydrogenated Boron/Germanium Co-Doped Photosensitivity Fiber. IEEE Sensors Journal, 14 (5). pp. 1352-1356. ISSN 1530-437X

Pua, C.H.; Chong, W.Y.; Ahmad, H. (2013) Instantaneous Response of Wide Area Intrusion Sensor With Long Haul Monitoring Capability. IEEE Photonics Technology Letters, 25 (23). pp. 2255-2258. ISSN 1041-1135

Saidin, N.; Zen, D.I.M.; Hamida, B.A.; Khan, S.; Ahmad, H.; Dimyati, K.; Harun, S.W. (2013) A Q-switched thulium-doped fiber laser with a graphene thin film based saturable absorber. Laser Physics, 23 (11). pp. 1-5. ISSN 1054-660X

Saidin, N.; Zen, D.I.M.; Damanhuri, S.S.A.; Harun, S.W.; Ahmad, H.; Dimyati, K.; Halder, A.; Paul, M.C.; Pal, M.; Bhadra, S.K. (2013) All-Fiber Dual-Wavelength Thulium–Bismuth Codoped Fiber Laser. Microwave and Optical Technology Letters, 55 (10). pp. 2324-2326. ISSN 0895-2477

Ahmad, H.; Muhammad, F.D.; Zulkifli, M.Z.; Harun, S.W. (2013) Graphene-Based Mode-Locked Spectrum-Tunable Fiber Laser Using Mach–Zehnder Filter. IEEE Photonics Journal, 5 (5). ISSN 1943-0655

Ahmad, H.; Razak, N.F.; Zulkifli, M.Z.; Muhammad, F.D.; Munajat, Y.; Harun, S.W. (2013) Ultra-narrow linewidth single longitudinal mode Brillouin fiber ring laser using highly nonlinear fiber. Laser Physics Letters, 10 (10). pp. 1-5. ISSN 1612-2011

Mirnia, S.E.; Zarei, A.; Emami, S.D.; Harun, S.W.; Arof, H.; Ahmad, H.; Shalaby, H.M.H. (2013) Proposal and performance evaluation of an efficient RZ-DQPSK modulation scheme in all-optical OFDM transmission systems. IEEE/OSA Journal of Optical Communications and Networking, 5 (9). pp. 932-944. ISSN 1943-0620

Zulkifli, M.Z.; Chong, W.Y.; Melloni, A.; Morichetti, F.; Harun, S.W.; Ahmad, H. (2013) Extraction of a single Stokes line from a Brillouin fibre laser using a silicon oxynitride microring filter. Laser Physics, 23 (9). pp. 1-4. ISSN 1054-660X

Ahmad, H.; Zulkifli, A.Z.; Thambiratnam, K.; Harun, S.W. (2013) 2.0- \mu\hbox {m} Q-Switched Thulium-Doped Fiber Laser With Graphene Oxide Saturable Absorber. IEEE Photonics Journal, 5 (4). ISSN 1943-0655

Batumalay, M.; Lokman, A.; Ahmad, F.; Arof, H.; Ahmad, H.; Harun, S.W. (2013) Tapered Plastic Optical Fiber Coated With HEC/PVDF for Measurement of Relative Humidity. IEEE Sensors Journal, 13 (12). pp. 4702-4705. ISSN 1530-437X

Ahmad, H.; Zulkifli, M.Z.; Muhammad, F.D.; Taib, J.M.; Harun, S.W. (2013) Tunable S-band output based on Raman shift in dispersion shifted fiber. Journal of Modern Optics, 60 (9). pp. 737-740. ISSN 0950-0340

Sulaiman, A.; Harun, S.W.; Muhammad, M.Z.; Ahmad, H. (2013) Compact Dual-Wavelength Laser Generation Using Highly Concentrated Erbium-Doped Fiber Loop Attached to Microfiber Coupler. IEEE Journal of Quantum Electronics, 49 (7). pp. 586-588. ISSN 0018-9197

Saidin, N.; Halder, A.; Ghosh, D.; Pal, M.; Paul, M.C.; Bhadra, S.K.; Ali, S.M.M.; Damanhuri, S.S.A.; Ahmad, H.; Harun, S.W. (2013) 1.9 μm lasing with Tm3+/Yb3+ co-doped air-clad fiber and 931 nm pumping. Microwave and Optical Technology Letters, 55 (5). pp. 1124-1126. ISSN 0895-2477

Sulaiman, A.; Muhammad, M.Z.; Harun, S.W.; Arof, H.; Ahmad, H. (2013) Demonstration of acoustic vibration sensor based on microfiber knot resonator. Microwave and Optical Technology Letters, 55 (5). pp. 1138-1141. ISSN 0895-2477

Tan, S.J.; Harun, S.W.; Ali, N.M.; Ismail, M.A.; Ahmad, H. (2013) A Multi-Wavelength Brillouin Erbium Fiber Laser With Double Brillouin Frequency Spacing and Q-Switching Characteristics. IEEE Journal of Quantum Electronics, 49 (7). pp. 595-598. ISSN 0018-9197

Yang, H.Z.; Chong, W.Y.; Cheong, Y.K.; Lim, K.S.; Pua, C.H.; Harun, S.W.; Ahmad, H. (2013) Thermal Regeneration in Etched-Core Fiber Bragg Grating. IEEE Sensors Journal, 13 (7). pp. 2581-2585. ISSN 1530-437X

Tan, S.J.; Harun, S.W.; Ahmad, H. (2013) Controllable stretched pulse and dissipative soliton emission using non-linear polarisation rotation and cavity loss tuning mechanism. IET Optoelectronics, 7 (2). pp. 38-41. ISSN 1751-8768

Rahman, H.A.; Harun, S.W.; Yasin, M.; Ahmad, H. (2013) Fiber optic salinity sensor using beam-through technique. Optik, 124 (8). pp. 679-681. ISSN 0030-4026

Hamzah, A.; Paul, M.C.; Awang, N.A.; Ahmad, H.; Pal, M.; Das, S.; Ismail, M.A.; Harun, S.W. (2013) Passively mode-locked erbium doped zirconia fiber laser using a nonlinear polarisation rotation technique. Optics & Laser Technology, 47. pp. 22-25. ISSN 0030-3992

Ahmad, H.; Zulkifli, M.Z.; Jemangin, M.H.; Harun, S.W. (2013) Distributed feedback multimode Brillouin–Raman random fiber laser in the S-band. Laser Physics Letters, 10 (5). pp. 1-4. ISSN 1612-2011

Harun, S.W.; Lim, K.S.; Tiong, C.K.; Dimyati, K.; Ahmad, H. (2013) Theoretical analysis and fabrication of tapered fiber. Optik, 124 (6). pp. 538-543. ISSN 0030-4026

Lim, K.S.; Chiam, Y.S.; Phang, S.W.; Chong, W.Y.; Pua, C.H.; Zulkifli, A.Z.; Ganesan, I.; Harun, S.W.; Ahmad, H. (2013) A Polyaniline-Coated Integrated Microfiber Resonator for UV Detection. IEEE Sensors Journal, 13 (5). pp. 2020-2025. ISSN 1530-437X

Sulaiman, A.; Harun, S.W.; Norizan, S.F.; Dimyati, K.; Ahmad, H. (2013) Effect of loop diameter on the performance of MKR-based dual-wavelength erbium-doped fiber laser. Microwave and Optical Technology Letters, 55 (2). pp. 236-238. ISSN 0895-2477

Awang, N.A.; Latif, A.A.; Zulkifli, M.Z.; Ghani, Z.A.; Harun, S.W.; Ahmad, H. (2013) S + C + L Band tunable wavelength conversion using FWM dual-wavelength fiber laser in a highly nonlinear fiber. Microwave and Optical Technology Letters, 55 (2). pp. 379-382. ISSN 0895-2477

Jasim, A.A.; Zulkifli, A.Z.; Muhammad, M.Z.; Harun, S.W.; Ahmad, H. (2013) A new compact micro-ball lens structure at the cleaved tip of microfiber coupler for displacement sensing. Sensors and Actuators A Physical, 189. pp. 177-181. ISSN 0924-4247

Sulaiman, A.; Harun, S.W.; Ahmad, F.; Muhammad, M.Z.; Jasim, A.A.; Ahmad, H. (2013) Demonstration of microfiber hybrid Mach–Zehnder and knot resonator structure. Microwave and Optical Technology Letters, 55 (1). pp. 100-102. ISSN 0895-2477

Damanhuri, S.S.A.; Halder, A.; Paul, M.C.; Ali, S.M.M.; Saidin, N.; Harun, S.W.; Ahmad, H.; Das, S.; Pal, M.; Bhadra, S.K. (2013) Effects of Yb/Tm Concentration and Pump Wavelength on the Performance of Ytterbium-Sensitized Thulium-Doped Fiber Laser. IEEE Journal of Quantum Electronics, 49 (1). pp. 95-99. ISSN 0018-9197

Rahman, H.A.; Rahim, H.R.A.; Ahmad, H.; Yasin, M.; Apsari, R.; Harun, S.W. (2013) Fiber optic displacement sensor for imaging of tooth surface roughness. Measurement, 46 (1). pp. 546-551. ISSN 0263-2241

Harun, S.W.; Jasim, A.A.; Rahman, H.A.; Muhammad, M.Z.; Ahmad, H. (2013) Micro-Ball Lensed Fiber-Based Glucose Sensor. IEEE Sensors Journal, 13 (1). pp. 348-350. ISSN 1530-437X

Ahmad, H.; Zulkifli, A.Z.; Thambiratnam, K.; Harun, S.W. (2013) Q-switched Zr-EDF laser using single-walled CNT/PEO polymer composite as a saturable absorber. Optical Materials, 35 (3). pp. 347-352. ISSN 0925-3467

Moghaddam, M.R.A.; Harun, S.W.; Lim, K.S.; Ahmad, H. (2013) Stability analysis in a soliton fiber ring laser with a hybrid saturable absorber. Microwave and Optical Technology Letters, 55 (1). pp. 164-170. ISSN 0895-2477

Lim, K.S.; Yang, H.Z.; Chong, W.Y.; Cheong, Y.K.; Lim, C.H.; Ali, N.M.; Ahmad, H. (2013) Axial contraction in etched optical fiber due to internal stress reduction. Optics Express, 21 (3). pp. 2551-2562. ISSN 1094-4087

Zulkifli, A.Z.; Jasim, A.A.; Harun, S.W.; Arof, H.; Dimyati, K.; Ahmad, H. (2013) Coupling characteristics of two uniform microfibers. Optoelectronics and Advanced Materials-Rapid Communications, 7 (3-4). pp. 244-247. ISSN 1842-6573

Jasim, A.A.; Harun, S.W.; Muhammad, M.Z.; Arof, H.; Ahmad, H. (2013) Current sensor based on inline microfiber Mach–Zehnder interferometer. Sensors and Actuators A: Physical, 192. pp. 9-12. ISSN 0924-4247

Yasin, M.; Ahmad, H.; Thambiratnam, K.; Jasim, A.A.; Phang, S.W.; Harun, S.W. (2013) Design of multimode tapered fibre sensor for glucose detection. Journal of optoelectronics and advanced materials, 7 (5-6). pp. 371-376. ISSN 1454-4164

Rahman, H.A.; Rahim, H.R.A.; Harun, S.W.; Yasin, M.; Apsari, R.; Ahmad, H.; Wan Abas, W.A.B. (2013) Detection of stain formation on teeth by oral antiseptic solution using fiber optic displacement sensor. Optics and Laser Technology, 45 (1). pp. 336-341. ISSN 0030-3992

Ali, M.M.; Lim, K.S.; Yang, H.Z.; Chong, W.Y.; Lim, W.S.; Ahmad, H. (2013) Direct period measurement for fiber Bragg grating using an optical imaging technique. Applied Optics, 52 (22). pp. 5393-5397. ISSN 0003-6935

Sulaiman, A.; Muhammad, M.Z.; Ahmad, H.; Harun, S.W. (2013) Erbium-doped fibre ring laser based on microfibre coupler. Ukrainian Journal of Physical Optics, 14 (4). pp. 196-199. ISSN 1609-1833

Parvizi, R.; Shahabuddin, N.S.; Ali, N.M.; Harun, S.W.; Emami, S.D.; Vaseghi, B.; Ahmad, H. (2013) Generation of efficient 20 GHz optical combs in a Brillouin-erbium fiber laser. Laser Physics, 23 (1). pp. 1-4. ISSN 1054-660X

Yap, Y.K.; Huang, N.M.; Harun, S.W.; Ahmad, H. (2013) Graphene Oxide-Based Q-Switched Erbium-Doped Fiber Laser. Chinese Physics Letters, 30 (2). ISSN 0256-307X

Ahmad, H.; Latif, A.A.; Khudus, M.I.M.A.; Zulkifli, A.Z.; Zulkifli, M.Z.; Thambiratnam, K.; Harun, S.W. (2013) Highly stable graphene-assisted tunable dual-wavelength erbium-doped fiber laser. Applied Optics, 52 (4). pp. 818-823. ISSN 0003-6935

Jasim, A.A.; Harun, S.W.; Arof, H.; Ahmad, H. (2013) Inline microfiber Mach–Zehnder interferometer for high temperature sensing. IEEE Sensors Journal, 13 (2). pp. 626-628. ISSN 1530-437X

Tan, S.J.; Jusoh, Z.; Ali, N.M.; Arof, H.; Ahmad, H.; Harun, S.W. (2013) Investigation of Q-Switching Characteristics in Single- and Double-Spacing Multi-Wavelength Brillouin Erbium Fiber Laser. IEEE Photonics Journal, 5 (4). ISSN 1943-0655

Zen, D.I.M.; Saidin, N.; Damanhuri, S.S.A.; Harun, S.W.; Ahmad, H.; Ismail, M.A.; Dimyati, K.; Halder, A.; Paul, M.C.; Das, S.; Pal, M.; Bhadra, S.K. (2013) Mode-locked thulium–bismuth codoped fiber laser using graphene saturable absorber in ring cavity. Applied Optics, 52 (6). pp. 1226-1229. ISSN 0003-6935

Shirazi, M.R.; Taib, J.M.; Dimyati, K.; Harun, S.W.; Ahmad, H. (2013) Multi-wavelength Brillouin-Raman fiber laser generation assisted by multiple four-wave mixing processes in a ring cavity. Laser Physics, 23 (7). pp. 1-4. ISSN 1054-660X

Muhammad, M.Z.; Jasim, A.A.; Ahmad, H.; Arof, H.; Harun, S.W. (2013) Non-adiabatic silica microfiber for strain and temperature sensors. Sensors and Actuators A: Physical, 192. pp. 130-132. ISSN 0924-4247

Ahmad, F.; Harun, S.W.; Nor, R.M.; Zulkepely, N.R.; Ahmad, H.; Shum, P. (2013) A Passively Mode-Locked Erbium-Doped Fiber Laser Based on a Single-Wall Carbon Nanotube Polymer. Chinese Physics Letters, 30 (5). ISSN 0256-307X

Ismail, M.A.; Ahmad, F.; Harun, S.W.; Arof, H.; Ahmad, H. (2013) A Q-switched erbium-doped fiber laser with a graphene saturable absorber. Laser Physics Letters, 10 (2). ISSN 1612-2011

Tan, S.J.; Harun, S.W.; Ahmad, F.; Nor, R.M.; Zulkepely, N.R.; Ahmad, H. (2013) A Q-switched multi-wavelength Brillouin erbium fiber laser with a single-walled carbon nanotube saturable absorber. Laser Physics, 23 (5). 055101. ISSN 1555-6611

Ahmad, H.; Muhammad, F.D.; Zulkifli, M.Z.; Harun, S.W. (2013) Q-switched pulse generation from an all-fiber distributed Bragg reflector laser using graphene as saturable absorber. Chinese Optics Letters, 11 (7). 071401. ISSN 1671-7694

Ahmad, H.; Thambiratnam, K.; Zulkifli, A.Z.; Lawrence, A.; Jasim, A.A.; Kunasekaran, W.; Musa, S.; Gnanasegaran, N.; Vasanthan, P.; Jayaraman, P.; Kasim, N.H.A.; Govindasamy, V.; Shahrir, M.S.; Harun, S.W. (2013) Quantification of Mesenchymal Stem Cell Growth Rates through Secretory and Excretory Biomolecules in Conditioned Media via Fresnel Reflection. Sensors, 13 (10). pp. 13276-13288. ISSN 1424-8220

Yang, H.Z.; Lim, K.S.; Qiao, X.G.; Chong, W.Y.; Cheong, Y.K.; Lim, W.H.; Lim, W.S.; Ahmad, H. (2013) Reflection spectra of etched FBGs under the influence of axial contraction and stress-induced index change. Optics Express, 21 (12). pp. 14808-14815. ISSN 1094-4087

Ahmad, H.; Zulkifli, M.Z.; Hassan, N.A.; Muhammad, F.D.; Harun, S.W. (2013) S-C-L triple wavelength superluminescent source based on an ultra-wideband SOA and FBGs. Quantum Electronics, 43 (10). pp. 923-926. ISSN 1063-7818

Zulkifli, M.Z.; Ahmad, H.; Taib, J.M.; Muhammad, F.D.; Dimyati, K.; Harun, S.W. (2013) S-band multiwavelength Brillouin/Raman distributed Bragg reflector fiber lasers. Applied Optics, 52 (16). pp. 3753-3756. ISSN 0003-6935

Harun, S.W.; Saidin, N.; Zen, D.I.M.; Ali, N.M.; Ahmad, H.; Ahmad, F.; Dimyati, K. (2013) Self-Starting Harmonic Mode-Locked Thulium-Doped Fiber Laser with Carbon Nanotubes Saturable Absorber. Chinese Physics Letters, 30 (9). ISSN 0256-307X

Saidin, N.; Zen, D.I.M.; Damanhuri, S.S.A.; Harun, S.W.; Ahmad, H.; Ahmad, F.; Dimyati, K.; Halder, A.; Paul, M.C.; Pal, M.; Bhadra, S.K. (2013) Self-starting harmonic mode-locked Tm-Bi co-doped germanate fiber laser with carbon nanotube-based saturable absorber. Chinese Optics Letters, 11 (6). 063201-. ISSN 1671-7694

Lim, K.S.; Yang, H.Z.; Becir, A.; Lai, M.H.; Ali, M.M.; Qiao, X.G.; Ahmad, H. (2013) Spectral analysis of bent fiber Bragg gratings: theory and experiment. Optics Letters, 38 (21). pp. 4409-4412. ISSN 0146-9592

Tan, S.J.; Harun, S.W.; Arof, H.; Ahmad, H. (2013) Switchable Q-switched and mode-locked erbium-doped fiber laser operating in the L-band region. Chinese Optics Letters, 11 (7). 073201. ISSN 1671-7694

Saidin, N.; Harun, S.W.; Damanhuri, S.S.A.; Ali, S.M.M.; Ahmad, H.; Halder, A.; Paul, M.C.; Das, S.; Pal, M.; Bhadra, S.K. (2013) A Tm-Bi Co-Doped Fiber Laser with Dual Pumping Operation. Chinese Physics Letters, 30 (3). ISSN 0256-307X

Ahmad, H.; Zulkifli, M.Z.; Muhammad, F.D.; Zulkifli, A.Z.; Harun, S.W. (2013) Tunable graphene-based Q-switched erbium-doped fiber laser using fiber Bragg grating. Journal of Modern Optics, 60 (3). pp. 202-212. ISSN 0950-0340

Ahmad, H.; Latif, A.A.; Talib, J.M.; Harun, S.W. (2013) Tunable, low frequency microwave generation from AWG based closely-spaced dual-wavelength single-longitudinal-mode fibre laser. Journal of the European Optical Society, 8. ISSN 1990-2573

Sulaiman, A.; Harun, S.W.; Arof, H.; Ahmad, H. (2012) Compact and tunable Erbium-Doped fiber laser with microfiber Mach–Zehnder interferometer. IEEE Journal of Quantum Electronics, 48 (9). ISSN 0018-9197

Cheng, X.S.; Hamida, B.A.; Naji, A.W.; Arof, H.; Ahmad, H.; Harun, S.W. (2012) Compact and wide-band bismuth-based erbium-doped fibre amplifier based on two-stage and double-pass approaches. IET Optoelectronics, 6 (3). pp. 127-130.

Tan, S.J.; Harun, S.W.; Shahabuddin, N.S.; Arof, H.; Ahmad, H. (2012) Dual-cavity dual-output multi-wavelength fiber laser based on nonlinear polarization rotation effect. Laser Physics, 22 (10). pp. 1601-1605. ISSN 1054-660X

Sulaiman, A.; Harun, S.W.; Ahmad, F.; Arof, H.; Ahmad, H. (2012) Dual-wavelength laser generation using highly concentrated erbium-doped fibre coupling with microfibre knot resonator. Electronics Letters, 48 (5). ISSN 0013-5194

Tan, S.J.; Ismail, M.A.; Shahabuddin, N.S.; Ahmad, H.; Arof, H.; Harun, S.W. (2012) Effect of doped fiber length on the stretch pulses of a mode-locked erbium-doped fiber laser. Laser Physics, 22 (7). pp. 1240-1243. ISSN 1054-660X

Parvizi, R.; Harun, S.W.; Ali, N.M.; Arof, H.; Ahmad, H. (2012) Investigation on threshold power of stimulated Brillouin scattering in photonic crystal fiber. Optik, 123. pp. 1149-1152. ISSN 0030-4026

Ismail, M.A.; Harun, S.W.; Zulkepely, N.R.; Nor, R.M.; Ahmad, F.; Ahmad, H. (2012) Nanosecond soliton pulse generation by mode-locked erbium-doped fiber laser using single-walled carbon-nanotube-based saturable absorber. Applied Optics, 51 (36). pp. 8621-8624. ISSN 1559-128X

Ismail, M.A.; Tan, S.J.; Shahabuddin, N.S.; Harun, S.W.; Arof, H.; Ahmad, H. (2012) Performance comparison of mode-locked erbium-doped fiber laser with nonlinear polarization rotation and saturable absorber approaches. Chinese Physics Letters, 29 (5). ISSN 0256-307X

Harun, S.W.; Ismail, M.A.; Ahmad, F.; Ismail, M.F.; Nor, R.M.; Zulkepely, N.R.; Ahmad, H. (2012) A Q-switched erbium-doped fiber laser with a carbon nanotube based saturable absorber. Chinese Physics Letters, 29 (11). ISSN 0256-307X

Chong, W.Y.; Lim, K.S.; Lim, W.H.; Harun, S.W.; Adikan, F.R.M.; Ahmad, H. (2012) Spreading profile of evaporative liquid drops in thin porous layer. Physical Review E, 85 (1). 016314. ISSN 1539-3755

Shahabuddin, N.S.; Awang, N.A.; Ahmad, H.; Arof, H.; Dimyati, K.; Yusoff, Z.; Harun, S.W. (2012) Supercontinuum generation using a passive mode-locked stretched-pulse bismuth-based erbium-doped fiber laser. Optics and Laser Technology, 44. pp. 741-743. ISSN 0030-3992

Jasim, A.A.; Lim, K.S.; Muhammad, M.Z.; Arof, H.; Ahmad, H.; Harun, S.W. (2012) Transmission characteristic of multi-turn microfiber coil resonator. Optics and Laser Technology, 44. pp. 1791-1795. ISSN 0030-3992

Hamida, B.A.; Cheng, X.S.; Harun, S.W.; Naji, A.W.; Arof, H.; Khan, S.; Alkhateeb, W.; Ahmad, H. (2012) Wideband and compact erbium-doped fiber amplifier using parallel double-pass configuration. Quantum Electronics, 54 (3). pp. 629-631. ISSN 1063-7818

Hamida, B.A.; Cheng, X.S.; Harun, S.W.; Naji, A.W.; Arof, H.; Al-Khateeb, W.; Khan, S.; Ahmad, H. (2012) Wideband and flat-gain amplifier based on high concentration erbium-doped fibres in parallel double-pass configuration. Quantum Electronics, 42 (3). pp. 241-243. ISSN 1063-7818

Moghaddam, M.R.A.; Harun, S.W.; Shahi, S.; Ahmad, H. (2011) Dual wavelength high power double-clad erbium/ytterbium-doped fiber laser. Journal of Nonlinear Optical Physics & Materials, 20 (4). pp. 443-451.

Parvizi, R.; Ali, N.M.; Harun, S.W.; Moghavvemi, M.; Arof, H.; Ahmad, H. (2011) Multi-wavelength Brillouin fiber laser using dual-cavity configuration. Laser Physics, 21 (1). pp. 205-209. ISSN 1054660X

Norizan, S.F.; Chong, W.Y.; Harun, S.W.; Ahmad, H. (2011) O-band bismuth-doped fiber amplifier with double-pass configuration. IEEE Photonics Technology Letters, 23 (24). pp. 1860-1862.

Ooi, C.H.R.; Ahmad, H.; Harun, S.W. (2011) Quantum coherence effects in a Raman amplifier. Journal of Modern Optics, 58 (1). pp. 11-13. ISSN 0950-0340

Ahmad, H.; Zulkifli, M.Z.; Latif, A.A.; Hassan, N.A.; Ghani, Z.A.; Harun, S.W. (2010) 120 nm wide band switchable fiber laser. Optics Communications, 283 (21). pp. 4333-4337.

Emami, S.D.; Hajireza, P.; Abd-Rahman, F.; Abdul-Rashid, H.A.; Ahmad, H.; Harun, S.W. (2010) Application of high concentration thulium-doped fiber for achieving S-band gain flattened hybrid optical amplifier. Journal of Optoelectronics and Advanced Materials, 12 (7). pp. 1446-1451.

Ahmad, H.; Shahi, S.; Harun, S.W. (2010) Bismuth-based erbium-doped fiber as a gain medium for L-band amplification and Brillouin fiber laser. Laser Physics, 20 (3). pp. 716-719.

Shahi, S.; Harun, S.W.; Norizan, S.F.; Moghaddam, M.R.A.; Ahmad, H. (2010) Brillouin-raman multi-wavelength laser comb generation based on BI-EDF by using dual-wavelength in dispersion compensating fiber. Journal of Nonlinear Optical Physics & Materials, 19 (1). pp. 123-130.

Cheng, X.S.; Ahmad, H.; Harun, S.W. (2010) Broadband ase source using bismuth-based erbium-doped fibers in double-pass set-up. Microwave and Optical Technology Letters, 52 (7). pp. 1636-1638. ISSN 0895-2477

Moghaddam, M.R.A.; Harun, S.W.; Shahi, S.; Lim, K.S.; Ahmad, H. (2010) Comparisons of multi-wavelength oscillations using sagnac loop mirror and mach-zehnder interferometer for ytterbium doped fiber lasers. Laser Physics, 20 (2). pp. 516-521.

Yasin, M.; Harun, S.W.; Apsari, R.; Suhariningsih, -; Kusminarto, -; Karyono, -; Ahmad, H. (2010) Detection of tea concentration macerated onto the artificial teeth using fiber optic displacement sensor. Optoelectronics and Advanced Materials-Rapid Communications, 4 (2). pp. 141-143.

Harun, S.W.; Paul, M.C.; Moghaddam, M.R.A.; Das, S.; Sen, R.; Dhar, A.; Pal, M.; Bhadra, S.K.; Ahmad, H. (2010) Diode-pumped 1028 nm Ytterbium-doped fiber laser with near 90% slope efficiency. Laser Physics, 20 (3). pp. 656-660.

Yang, H.Z.; Harun, S.W.; Ahmad, H. (2010) Displacement sensing with two asymmetrical inclined fibers. Microwave and Optical Technology Letters, 52 (6). pp. 1271-1274. ISSN 0895-2477

Hamzah, A.; Paul, M.C.; Harun, S.W.; Huri, N.A.D.; Lokman, A.; Sen, R.; Pal, M.; Das, S.; Bhadra, S.K.; Ahmad, H. (2010) Dual-wavelength Erbium-doped fiber laser based on Erbium-doped Zirconia fiber. Optoelectronics and Advanced Materials-Rapid Communications, 4 (8). pp. 1099-1101.

Ahmad, H.; Parvizi, R.; Shahabuddin, N.S.; Yusoff, Z.; Harun, S.W. (2010) Effect of gain medium on the performance of brillouin fiber laser. Microwave and Optical Technology Letters, 52 (9). pp. 2158-2160. ISSN 0895-2477

Yasin, M.; Harun, S.W.; Kusminarto, -; Karyono, -; Lelono, D.; Samian, -; Zaidan, A.H.; Ahmad, H. (2010) Effect of tilting angles on the performance of reflective and transmitting types of fiber optic-based displacement sensors. Laser Physics, 20 (4). pp. 824-829. ISSN 1054-660X

Sua, Y.M.; Chong, W.Y.; Tan, C.C.; Ahmad, H.; Adikan, F.R.M. (2010) Effect of using aqueous/alcohol solution during solution doping on the physical and chemical characteristics of pre-sintered silica soot and the resultant native glass species concentration. Materials Chemistry and Physics, 124 (2-3). pp. 1077-1082. ISSN 0254-0584

Harun, S.W.; Paul, M.C.; Moghaddam, M.R.A.; Das, S.; Sen, R.; Dhar, A.; Pal, M.; Bhadra, S.K.; Ahmad, H. (2010) Efficient diode pumped ytterbium-doped fibre laser. Electronics Letters, 46 (1). 68-U97.

Yang, H.Z.; Lim, K.S.; Harun, S.W.; Dimyati, K.; Ahmad, H. (2010) Enhanced bundle fiber displacement sensor based on concave mirror. Sensors And Actuators A-Physical, 162 (1). pp. 8-12.

Harun, S.W.; Yasin, M.; Yang, H.Z.; Kusminarto, -; Karyono, -; Ahmad, H. (2010) Estimation of metal surface roughness using fiber optic displacement sensor. Laser Physics, 20 (4). pp. 904-909. ISSN 1054-660X

Harun, S.W.; Parvizi, R.; Cheng, X.S.; Parvizi, A.; Emami, S.D.; Arof, H.; Ahmad, H. (2010) Experimental and theoretical studies on a double-pass C-band bismuth-based erbium-doped fiber amplifier. Optics and Laser Technology, 42 (5). pp. 790-793.

Ahmad, H.; Parvizi, R.; Dimyati, K.; Tamjis, M.R.; Harun, S.W. (2010) FWM-based multi-wavelength erbium-doped fiber laser using Bi-EDF. Laser Physics, 20 (6). pp. 1414-1417. ISSN 1054-660X

Harun, S.W.; Lim, K.S.; Jasim, A.A.; Ahmad, H. (2010) Fabrication of tapered fiber based ring resonator. Laser Physics, 20 (7). pp. 1629-1631.

Yasin, M.; Harun, S.W.; Yang, H.Z.; Ahmad, H. (2010) Fiber optic displacement sensor for measurement of glucose concentration in distilled water. Optoelectronics and Advanced Materials-Rapid Communications, 4 (8). pp. 1063-1065.

Harun, S.W.; Moghaddam, M.R.A.; Ahmad, H. (2010) High output power erbium-ytterbium doped cladding pumped fiber amplifier. Laser Physics Letters, 20 (10). pp. 1899-1901. ISSN 1612-2011

Awang, N.A.; Zulkifli, M.Z.; Norizan, S.F.; Harun, S.W.; Ghani, Z.A.; Ahmad, H. (2010) Highly efficient and high output power of erbium doped fiber laser in a linear cavity configuration. Laser Physics, 20 (10). pp. 1894-1898. ISSN 1054-660X

Parvizi, R.; Harun, S.W.; Ali, N.M.; Ahmad, H. (2010) Investigation on stimulated Brillouin scattering characteristics in a highly doped Bismuth-based Erbium-doped fiber. Laser Physics, 20 (11). pp. 1973-1977.

Parvizi, R.; Harun, S.W.; Shahabuddin, N.S.; Yusoff, Z.; Ahmad, H. (2010) Multi-wavelength bismuth-based erbium-doped fiber laser based on four-wave mixing effect in photonic crystal fiber. Optics and Laser Technology, 42 (8). pp. 1250-1252.

Zulkifli, M.Z.; Hassan, N.A.; Awang, N.A.; Ghani, Z.A.; Harun, S.W.; Ahmad, H. (2010) Multi-wavelength fiber laser in the S-band region using a Sagnac loop mirror as a comb generator in an SOA gain medium. Laser Physics Letters, 7 (9). pp. 673-676. ISSN 1612-2011

Hamzah, A.; Harun, S.W.; Huri, N.A.D.; Lokman, A.; Arof, H.; Paul, M.C.; Pal, M.; Das, S.; Bhadra, S.K.; Ahmad, H.; Yoo, S.; Kalita, M.P.; Boyland, A.J.; Sahu, J.K. (2010) Multi-wavelength fiber laser with erbium doped zirconia fiber and semiconductor optical amplifier. Optoelectronics and Advanced Materials-Rapid Communications, 4 (10). pp. 1431-1434.

Shahi, S.; Harun, S.W.; Dimyati, K.; Tamjis, M.R.; Ahmad, H. (2010) Multiple brillouin stokes generation with bismuth-based erbium-doped fiber. Microwave and Optical Technology Letters, 52 (6). pp. 1416-1418. ISSN 0895-2477

Ahmad, H.; Zulkifli, M.Z.; Latif, A.A.; Harun, S.W. (2010) Novel O-band tunable fiber laser using an array waveguide grating. Laser Physics Letters, 7 (2). pp. 164-167.

Abd-Rahman, M.K.; Selvakennedy, S.; Ahmad, H. (2010) Numerical modeling of edfl and brillouin erbium fiber laser. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 281-293.

Ahmad, H.; Zulkifli, M.Z.; Latif, A.A.; Harun, S.W. (2010) O-band multi-wavelength fiber laser. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 229-236.

Yasin, M.; Harun, S.W.; Pujiyanto, A.; Ghani, Z.A.; Ahmad, H. (2010) Performance comparison between plastic-based fiber bundle and multimode fused coupler as probes in displacement sensors. Laser Physics, 20 (10). pp. 1890-1893. ISSN 1054-660X

Paul, M.C.; Harun, S.W.; Huri, N.A.D.; Hamzah, A.; Das, S.; Pal, M.; Bhadra, S.K.; Ahmad, H.; Yoo, S.; Kalita, M.P.; Boyland, A.J.; Sahu, J.K. (2010) Performance comparison of Zr-based and Bi-based erbium-doped fiber amplifiers. Optics Letters, 35 (17). pp. 2882-2884. ISSN 0146-9592

Kow, S.T.; Yap, Y.; Pua, C.H.; Chong, W.Y.; Law, A.W.P.; Adikan, F.R.M.; Haseeb, A.; Ahmad, H. (2010) Selective area rare-earth doping of planar glass samples for monolithic integration of optically passive and active waveguides. Optik, 121 (8). pp. 722-725. ISSN 0030-4026

Lokman, A.; Hamzah, A.; Huri, N.A.D.; Arof, H.; Ahmad, F.; Ahmad, H.; Harun, S.W. (2010) Single frequency erbium doped fiber laser with a highly doped erbium-doped fiber. Optoelectronics and Advanced Materials-Rapid Communications, 4 (11). pp. 1643-1646.

Harun, S.W.; Ahmad, H.; Lim, E.L.; Alam, S.U.; Richardson, D.J. (2010) Single mode erbium ytterbium-doped fiber laser with multimode pumping. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 203-208.

Harun, S.W.; Yang, H.Z.; Yasin, M.; Ahmad, H. (2010) Theoretical and experimental study on the fiber optic displacement sensor with two receiving fibers. Microwave and Optical Technology Letters, 52 (2). pp. 373-375. ISSN 0895-2477

Paul, M.C.; Harun, S.W.; Huri, N.A.D.; Hamzah, A.; Das, S.; Pal, M.; Bhadra, S.K.; Ahmad, H.; Yoo, S.; Kalita, M.P.; Boyland, A.J.; Sahu, J.K. (2010) Wideband EDFA based on erbium doped crystalline zirconia yttria alumino silicate fiber. IEEE/OSA Journal of Lightwave Technology, 28 (20). pp. 2919-2924.

Latif, A.A.; Zulkifli, M.Z.; Hassan, N.A.; Harun, S.W.; Ghani, Z.A.; Ahmad, H. (2010) A compact O-plus C-band switchable quad-wavelength fiber laser using arrayed waveguide grating. Laser Physics Letters, 7 (8). pp. 597-602. ISSN 1612-2011

Yasin, M.; Harun, S.W.; Kusminarto, D.; Ahmad, H. (2010) A simple design of vibration sensor using fiber optic displacement sensor. Optoelectronics and Advanced Materials-Rapid Communications, 4 (11). pp. 1795-1797.

Latif, A.A.; Zulkifli, M.Z.; Awang, N.A.; Harun, S.W.; Ahmad, H. (2010) A simple linear cavity dual-wavelength fiber laser using AWG as wavelength selective mechanism. Laser Physics, 20 (11). pp. 2006-2010.

Leong, W.C.; Tho, S.Y.; Law, A.W.P.; Chong, W.Y.; Pua, C.H.; Ahmad, H.; Haseeb, A.; Adikan, F.R.M. (2009) Spreading profile of dopant solution on pre-sintered silica layers for selective area doping of integrated optic planar glass samples. Thin Solid Films, 518 (1). pp. 378-382. ISSN 0040-6090

Leong, W.C.; Tho, S.Y.; Law, A.W.P.; Chong, W.Y.; Pua, C.H.; Ahmad, H.; Haseeb, A.S.M.A.; Adikan, F.R.M. (2009) Spreading profile of dopant solution on pre-sintered silica layers for selective area doping of integrated optic planar glass samples. Thin Solid Films, 518 (1). pp. 378-382. ISSN 0040-6090

Mahdi, M.A.; Adikan, F.R.M.; Subramaniam, T.; Ahmad, H. (2007) Characterization of lasing-oscillation direction in optical gain-clamped erbium-doped fiber amplifiers. Optics and Laser Technology, 39 (5). pp. 1020-1024. ISSN 0030-3992

Adikan, F.R.M.; Gawith, C.B.E.; Smith, P.G.R.; Sparrow, I.J.G.; Emmerson, G.D.; Riziotis, C.; Ahmad, H. (2006) Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation. Applied Optics, 45 (24). pp. 6113-6118. ISSN 0003-6935

Mahdi, M.A.; Adikan, F.R.M.; Ahmad, H. (2006) Single-mode pumping scheme for EDFA with high-power conversion efficiency using a 980-nm Ti : S laser. Microwave and Optical Technology Letters, 48 (1). pp. 71-74. ISSN 0895-2477

Mahdi, M.A.; Adikan, F.R.M.; Poopalan, P.; Selvakennedy, S.; Ahmad, H. (2001) Effects of signal seeding on long-wavelength-band Er3+-doped fiber amplifiers. Optical Engineering, 40 (2). pp. 186-192. ISSN 0091-3286

Adikan, F.R.M.; Mahdi, M.A.; Thirumeni, S.; Poopalan, P.; Dimyati, K.; Ahmad, H. (2001) Novel, gain-flattened L-band EDFA with ASE utilization with > 40 nm 3 dB bandwidth. Microwave and Optical Technology Letters, 28 (6). pp. 399-402. ISSN 0895-2477

Mahdi, M.A.; Adikan, F.R.M.; Poopalan, P.; Selvakennedy, S.; Ahmad, H. (2001) A novel design of bi-directional silica-based erbium-doped fibre amplifier for broadband WDM transmissions. Optics Communications, 187 (4-6). pp. 389-394. ISSN 0030-4018

Mahdi, M.A.; Thirumeni, S.; Poopalan, P.; Selvakennedy, S.; Adikan, F.R.M.; Chan, W.Y.; Ahmad, H. (2000) Effects of self-saturation in an erbium-doped fiber amplifier. Optical Fiber Technology, 6 (3). pp. 265-274. ISSN 1068-5200

Mahdi, M.A.; Adikan, F.R.M.; Poopalan, P.; Selvakennedy, S.; Chan, W.Y.; Ahmad, H. (2000) Gain-clamped fibre amplifier using an ASE end reflector. Optics Communications, 177 (1-6). pp. 195-199. ISSN 0030-4018

Adikan, F.R.M.; Mahdi, M.A.; Poopalan, P.; Dimyati, K.; Ahmad, H. (2000) Gain-flattened fiber amplifier from 1560 to 1580 nm wavelengths using an erbium-doped fiber amplifier. Microwave and Optical Technology Letters, 26 (4). pp. 221-223. ISSN 0895-2477

Mahdi, M.A.; Adikan, F.R.M.; Poopalan, P.; Selvakennedy, S.; Ahmad, H. (2000) High-gain bidirectional Er3+-doped fiber amplifier for conventional- and long-wavelength bands. Ieee Photonics Technology Letters, 12 (11). pp. 1468-1470. ISSN 1041-1135

Mahdi, M.A.; Adikan, F.R.M.; Poopalan, P.; Selvakennedy, S.; Ahmad, H. (2000) A novel wideband erbium-doped fiber amplifier design. Microwave and Optical Technology Letters, 26 (4). pp. 268-269. ISSN 0895-2477

Conference or Workshop Item

Lim, K.S.; Ali, M.M.; Loo, C.C.; Chong, W.Y.; Ahmad, H. (2014) Observation of mode-coupling in few mode fiber bragg gratings. In: 2014 Summer Topicals Meeting Series, 14-16 Jul 2014, Montreal, Canada.

Ahmad, H. (2010) Developing leadership competencies of teachers and principals: Case of Malaysia. In: International Conference On Educational Management, Administration And Leadership, 30 Apr - 01 May 2010, Jogjakarta, Indonesia.

Ramaiyah, A.; Md. Zain, A.N.; Ahmad, H. (2007) Exploring the dimensions of service quality in higher education research. In: Regional conference on quality in higher education “Quality driven initiatives: sharing good practices in higher education”. (Unpublished)

This list was generated on Thu Sep 29 00:18:22 2016 MYT.