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Ahmad, B.A. and Al-Alimi, A.W. and Abas, Ahmad Fauzi and Mokhtar, Makhfudzah and Harun, Sulaiman Wadi and Mahdi, Mohd Adzir (2012) Double spacing multi-wavelength L-band Brillouin erbium fiber laser with Raman pump. Journal of Modern Optics, 59 (19). pp. 1690-1694. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2012.739712.

Ahmad, F. and Harun, Sulaiman Wadi and Nor, Roslan Md and Zulkepely, N.R. and Muhammad, F.D. and Arof, Hamzah and Ahmad, Harith (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, DOI https://doi.org/10.1080/09500340.2014.899644.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Wide-band, passively Q-switched Yb- and Tm-doped fibre laser using WSSe saturable absorber. Journal of Modern Optics, 65 (17). pp. 2044-2050. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1489080.

Ahmad, Harith and Awang, Noor Azura and Harun, Sulaiman Wadi (2011) Fiber optical based parametric amplifier in a highly nonlinear fiber (HNLF) by using a ring configuration. Journal of Modern Optics, 58 (12). pp. 1065-1069. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.596629.

Ahmad, Harith and Norizan, Siti Fatimah and Zulkifli, Mohd Zamani and Pua, Chang Hong and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Investigation of the effects of SOA locations in the linear cavity of an O-band Brillouin SOA fiber laser. Journal of Modern Optics, 58 (7). pp. 580-586. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.554894.

Ahmad, Harith and Rashid, Haroon (2019) 405 nm ultraviolet photodetector based on tungsten disulphide thin film grown by drop casting method. Journal of Modern Optics, 66 (18). pp. 1836-1840. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1682207.

Ahmad, Harith and Sakeh, S.N.A. and Muda, Z. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2017) Multiwavelength Brillouin fibre laser in two-mode fiber. Journal of Modern Optics, 64 (17). pp. 1744-1750. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1314027.

Ahmad, Harith and Salim, M.A.M. and Soltanian, M.R.K. and Azzuhri, Saaidal Razalli and Harun, Sulaiman Wadi and Yasin, Moh (2016) Generation of stable and narrow spacing dual-wavelength ytterbium-doped fiber laser using a photonic crystal fiber. Journal of Modern Optics, 63 (10). pp. 968-973. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2015.1117667.

Ahmad, Harith and Shahabuddin, Nurul Shahrizan and Rahman, Asiqur A. and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2008) SOA-based multi-wavelength source. Journal of Modern Optics, 55 (14). pp. 2179-2185. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340801993276.

Ahmad, Harith and Sharbirin, Anir Syazwan and Ismail, Mohammad Faizal (2019) Molybdenum tungsten disulphide (MoWS2) as a saturable absorber for a passively Q-switched thulium/holmium-codoped fibre laser. Journal of Modern Optics, 66 (11). pp. 1163-1171. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1609612.

Ahmad, Harith and Soltani, Soroush and Thambiratnam, Kavintheran and Yasin, Moh and Ismail, Mohammad Faizal and Tiu, Zian Cheak (2018) Passive mode-locking in erbium-doped fibre laser based on BN-GO saturable absorber. Journal of Modern Optics, 65 (21). pp. 2339-2349. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1508774.

Ahmad, Harith and Tajdidzadeh, Mojgan and Thandavan, Tamil Many K. (2018) Heterojunction photodetector based on graphene oxide sandwiched between ITO and p-Si. Journal of Modern Optics, 65 (3). pp. 353-360. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1397224.

Ahmad, Harith and Thandavan, Tamil Many K. and Ismail, Mohammad Faizal (2019) Surface plasmonic effect of nanoparticle-like silver nanostructure on the high responsivity of visible/infrared silver-based heterojunction photodetector. Journal of Modern Optics, 66 (12). pp. 1329-1338. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1617443.

Ahmad, Harith and Zaini, Muhammad Khairol Annuar and Kamely, A. A. and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Lim, Kheng Seang and Zamzuri, A. K. and Thambiratnam, Kavintheran (2021) Generation of four-wave mixing in molybdenum ditelluride (MoTe2)-deposited side-polished fibre. Journal of Modern Optics, 68 (8). pp. 425-432. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1908636.

Ahmad, Harith and Zulkifli, M.Z. and Muhammad, F.D. and Taib, J.M. and Harun, Sulaiman Wadi (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, DOI https://doi.org/10.1080/09500340.2013.807945.

Ahmad, Harith and Zulkifli, M.Z. and Muhammad, F.D. and Zulkifli, Ahmad Zarif and Harun, Sulaiman Wadi (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, DOI https://doi.org/10.1080/09500340.2013.766767.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Jemangin, M.H. and Chong, Su Sin and Harun, Sulaiman Wadi (2012) Tunable single longitudinal mode S-band fiber laser using a 3 m length of erbium-doped fiber. Journal of Modern Optics, 59 (3). pp. 268-273. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.626900.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2009) Dual wavelength fibre laser with tunable channel spacing using an SOA and dual AWGs. Journal of Modern Optics, 56 (16). pp. 1768-1773. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340903289136.

Ahmad, Z. and Abdullah, S.M. and Zafar, Q. and Sulaiman, K. (2014) Investigation of charge transport in organic polymer donor/acceptor photovoltaic materials. Journal of Modern Optics, 61 (21, SI). pp. 1730-1734. ISSN 0950-0340,

Al-Masoodi, Ahmed Hasan Hamood and Ahmed, Mahmoud Hazzaa M. and Latiff, Anas Abdul and Arof, Hamzah and Harun, Sulaiman Wadi (2018) Nickel oxide nanoparticles thin film saturable absorber for 1-micron pulsed all-fibre lasers operation. Journal of Modern Optics, 65 (15). pp. 1801-1808. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1459914.

Awang, Noor Azura and Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Wavelength conversion based on FWM in a HNLF by using a tunable dual-wavelength erbium doped fibre laser source. Journal of Modern Optics, 58 (7). pp. 566-572. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.552796.

Awang, Noor Azura and Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Ghani, Zawajer Abd and Harun, Sulaiman Wadi (2010) O-band to C-band wavelength converter by using four-wave mixing effect in 1310 nm SOA. Journal of Modern Optics, 57 (21). pp. 2147-2153. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.529953.

Batumalay, M. and Rahman, H.A. and Kam, W. and Ong, Y.S. and Ahmad, F. and Zakaria, Rozalina and Harun, Sulaiman Wadi and Ahmad, Harith (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, DOI https://doi.org/10.1080/09500340.2013.850541.

Hajireza, Parsin and Emami, Siamak Dawazdah and Abbasizargaleh, Soroush and Harun, Sulaiman Wadi and Kumar, Deepak and Abdul-Rashid, Hairul Azhar (2010) Application of macro-bending for flat and broad gain EDFA. Journal of Modern Optics, 57 (16). pp. 1534-1541. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.507882.

Halder, Arindam and Paul, Mukul Chandra and Damanhuri, Siti Sarah Ahmad and Huri, N.A.D. and Hamzah, Azura and Harun, Sulaiman Wadi and Ahmad, Harith and Das, Sourav and Pal, Mrinmay and Bhadra, Shyamal Kumar (2012) Upconversion luminescence in Tm3+/Yb3+co-doped double-clad silica fibers under 980 nm cladding pumping. Journal of Modern Optics, 59 (6). pp. 527-532. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.636154.

Harun, Sulaiman Wadi and Lim, Kok Sing and Jasim, Ali Abdulhadi and Ahmad, Harith (2010) Dual wavelength erbium-doped fiber laser using a tapered fiber. Journal of Modern Optics, 57 (21). pp. 2111-2113. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.522740.

Harun, Sulaiman Wadi and Parvizi, Roghaieh and Shahabuddin, Nurul Shahrizan and Yusoff, Zulfadzli and Ahmad, Harith (2010) Semiconductor optical amplifier-based multi-wavelength ring laser utilizing photonic crystal fiber. Journal of Modern Optics, 57 (8). pp. 637-640. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.486078.

Harun, Sulaiman Wadi and Zulkifli, Mohd Zamani and Tamjis, Mohamad Rom and Ahmad, Harith (2008) Gain improvement in a dual-stage S-band EDFA by filtration of forward C-band ASE. Journal of Modern Optics, 55 (18). pp. 3035-3040. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340802296323.

Hisham, H.K. and Abas, A.F. and Mahdiraji, Ghafour Amouzad and Mahdi, M.A. and Noor, A.S.M. (2012) Characterization of phase noise in a single-mode fiber grating Fabry Perot laser. Journal of Modern Optics, 59 (4). pp. 393-401. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.629060.

Lim, Kok Sing and Harun, Sulaiman Wadi and Yang, Hang Zhou and Dimyati, Kaharudin and Ahmad, Harith (2009) Analytical and experimental studies on asymmetric bundle fiber displacement sensors. Journal of Modern Optics, 56 (17). pp. 1838-1842. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340903366009.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Shahi, Sharifeh and Ahmad, Harith (2012) Broadband amplifier and high performance tunable laser with an extinction ratio of higher than 60 dB using bismuth oxide-based erbium-doped fiber. Journal of Modern Optics, 59 (12). pp. 1106-1112. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2012.695806.

Muhammad, Ahmad Razif and Ahmad, Muhammad Taufiq and Zakaria, Rozalina and Yupapin, Preecha Promphan and Harun, Sulaiman Wadi and Yasin, Moh (2019) Mode-locked thulium doped fibre laser with copper thin film saturable absorber. Journal of Modern Optics, 66 (13). pp. 1381-1385. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1622048.

Muhammad, Ahmad Razif and Haris, Hazlihan and Arof, Hamzah and Tan, Sin Jin and Ahmad, Mushtaq T. and Harun, Sulaiman Wadi (2018) All-fibre Q-switching YDFL operation with bismuth-doped fibre as saturable absorber. Journal of Modern Optics, 65 (8). pp. 946-950. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1416192.

Nady, A. and Ahmed, Mahmoud Hazzaa M. and Numan, Arshid and Ramesh, Subramaniam and Latiff, Anas Abdul and Ooi, Chong Heng Raymond and Arof, Hamzah and Harun, Sulaiman Wadi (2017) Passively Q-switched erbium-doped fibre laser using cobalt oxide nanocubes as a saturable absorber. Journal of Modern Optics, 64 (13). pp. 1315-1320. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1286398.

Najm, Mustafa Mohammed and Arof, Hamzah and Nizamani, Bilal and Al-Hiti, Ahmed Shakir and Zhang, Pei and Yasin, Moh and Harun, Sulaiman Wadi (2021) Ultra-short pulse generating in erbium-doped fiber laser cavity with 8-Hydroxyquinolino cadmium chloride hydrate (8-HQCdCl(2)H(2)O) saturable absorber. Journal of Modern Optics, 68 (5). pp. 237-245. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1889062.

Omar, S. and Musa, B. and Ahmed, N. and Jusoh, Z. and Rahman, H. A. and Rosol, A. H. A. and Apsari, R. and Harun, Sulaiman Wadi (2022) Lanthanum hexaboride coated D-shaped fibre for Q-switched pulse generation. Journal of Modern Optics, 69 (17). pp. 1016-1021. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2022.2108152.

Ooi, Chong Heng Raymond and Ahmad, Harith and Harun, Sulaiman Wadi (2011) Quantum coherence effects in a Raman amplifier. Journal of Modern Optics, 58 (1). pp. 11-13. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.521594.

Qazi, Hummad Habib and Memon, Sanober Farheen and Ali, Muhammad Mahmood and Irshad, Muhammad Sultan and Ehsan, Siddique Akhtar and Salim, Mohd Rashidi and Mohammad, Abu Bakar and Zulkifli, Mohd Zamani and Idrees, Muhammad (2019) Surface roughness and the sensitivity of D-shaped optical fibre sensors. Journal of Modern Optics, 66 (11). pp. 1244-1251. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1610521.

Rahman, M.F.A. and Zhalilah, M.Z. and Latiff, A.A. and Rosol, A.H.A. and Lokman, M.Q. and Bushroa, Abdul Razak and Dimyati, Kaharudin and Harun, Sulaiman Wadi (2018) Pure antimony film as saturable absorber for Q-switched erbium-doped fiber laser. Journal of Modern Optics, 65 (7). pp. 811-817. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1402964.

Rahman, Mohd Fauzi Ab and Latiff, Anas Abdul and Rusdi, Muhammad Farid Mohd and Dimyati, Kaharudin and Harun, Sulaiman Wadi (2019) Passively Q-switched fibre laser utilizing erbium-doped fibre saturable absorber for operation in C-band region. Journal of Modern Optics, 66 (2). pp. 235-239. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1512674.

Rosol, A. H. A. and Jafry, A. A. Aminuddin and Nizamani, B. and Zulkipli, N. F. and Khudus, Muhammad Imran Mustafa Abdul and Yasin, M. and Harun, Sulaiman Wadi (2021) MXene Ti3C2Tx thin film as a saturable absorber for passively mode-locked and Q-switched fibre laser. Journal of Modern Optics, 68 (18). pp. 984-993. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1967494.

Samsamnun, Farina Saffa Mohamad and Zulkipli, Nur Farhanah and Abd Majid, Wan Haliza and Abdul Khudus, Muhammad Imran Mustafa and Shuhaimi, Ahmad and Rosol, Ahmad Haziq Aiman and Arof, Hamzah and Yasin, Moh and Harun, Sulaiman Wadi (2020) MEH-PPV organic material as saturable absorber for Q-switching and mode-locking applications. Journal of Modern Optics, 67 (8). pp. 746-753. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2020.1769762.

Selvakennedy, Selvadurai and Poopalan, Prabakaran and Mahdi, Mohd Adzir and Ahmad, Harith (2000) Gain-clamped erbium-doped fibre amplifier for wavelength division multiplexed systems. Journal of Modern Optics, 47 (9). pp. 1599-1605. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340008235126.

Shahabuddin, Nurul Shahrizan and Harun, Sulaiman Wadi and Zulkifli, Mohd Zamani and Thambiratnam, K. and Ahmad, Harith (2008) Bismuth-based Brillouin/erbium fiber laser. Journal of Modern Optics, 55 (8). pp. 1345-1351. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340701652303.

Zakaria, Rozalina and Kam, W. and Ong, Y.S. and Yusoff, S.F.A.Z. and Ahmad, Harith and Mohammed, W.S. (2017) Fabrication and simulation studies on D-shaped optical fiber sensor via surface plasmon resonance. Journal of Modern Optics, 64 (14). pp. 1443-1449. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1293858.

Zakaria, Rozalina and Mezher, Mezher H. and Zahid, Ali Z. Ghazi and Rohizat, Nurul Syazwani and Patel, Shobhit K. and Amiri, Iraj Sadegh (2020) Nonlinear studies of graphene oxide and its application to moisture detection in transformer oil using D-shaped optical fibre. Journal of Modern Optics, 67 (7). pp. 619-627. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2020.1760387.

Zulkipli, N. F. and Sadik, S. A. and Durak, F. E. and Paul, M. C. and Altuncu, A. and Harun, S. W. (2021) Gain clamping performance of Hafnia-bismuth-erbium co-doped fibre amplifier using lasing controlled structure with FBG. Journal of Modern Optics, 68 (8). pp. 457-462. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1912424.

Zulkipli, Nur Farhanah and Sadik, Şerıf Ali and Durak, Fırat Ertaç and Paul, Mukul Chandra and Altuncu, Ahmet and Harun, Sulaiman Wadi (2021) Gain clamping performance of Hafnia–bismuth–erbium co-doped fibre amplifier using lasing controlled structure with FBG. Journal of Modern Optics, 68 (8). pp. 457-462. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1912424.