Performance of passively Q-switched ring erbium-doped fiber laser using a multiwalled carbon nanotubes polyethylene oxide (PEO) polymer composite-based saturable absorber

Haris, H. and Anyi, C.L. and Muhammad, A.R. and Ahmad, F. and Nor, R.M. and Zulkepely, N.R. and Ali, N.M. and Harun, Sulaiman Wadi and Arof, Hamzah (2015) Performance of passively Q-switched ring erbium-doped fiber laser using a multiwalled carbon nanotubes polyethylene oxide (PEO) polymer composite-based saturable absorber. Microwave and Optical Technology Letters, 57 (8). pp. 1897-1901. ISSN 0895-2477

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The aim of this article is to report the fabrication and characterization of dispersed multiwalled carbon nanotubes (MWCNTs) polymer composites and use them as passive SAs in Q-switched Erbium-doped fiber (EDF) for ultrafast laser generation at 1.5-mu m region. CNT polymer composites were fabricated into thin films by homogenizing different concentrations (1.8, 4.8, and 10.1 wt. ) of MWCNTs with host polymers polyethylene oxide. The fabricated thin film was then deposited between two fiber connectors as passive SA and incorporated into fiber laser's ring oscillator. The EDFL exhibited a central wavelength of 1560.5 nm when pump power is fixed at 42 mW. The Q-switching operation starts at the lowest threshold of 39.3 mW for all the three different SA concentrations. For 1.8 wt. MWCNTs concentration, the pulse repetition rate of the Q-switched EDFL is started from 35.6 kHz, while for 4.8 wt. and 10.1 wt. , the pulse repetition rate started at 78.5 and 66.1 kHz, respectively. At the MWCNTs concentration of 1.8 wt. , the pulse energy of the Q-switched EDFL increases from 7.9 to 24.7 nJ as the pump power increases from 39.3 to 58.8 mW. (c) 2015 Wiley Periodicals, Inc. Microwave Opt Technol Lett 57:1897-1901, 2015

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Additional Information: ISI Document Delivery No.: CJ1XK Times Cited: 0 Cited Reference Count: 15 Cited References: Ahmad F, 2014, CHINESE PHYS LETT, V31, DOI 10.1088/0256-307X/31/3/034204 Banhart F, 1999, REP PROG PHYS, V62, P1181, DOI 10.1088/0034-4885/62/8/201 Ferrari AC, 2006, PHYS REV LETT, V97, DOI 10.1103/PhysRevLett.97.187401 IIJIMA S, 1991, NATURE, V354, P56, DOI 10.1038/354056a0 Kasim N, 2014, CHIN OPT LETT, V12, DOI 10.3788/COL201412.031403 Keller U., NATURE, V424, P831 Lin XC, 2013, LASER PHYS LETT, V10, DOI 10.1088/1612-2011/10/5/055805 Moniruzzaman M, 2006, MACROMOLECULES, V39, P5194, DOI 10.1021/ma060733p Ramadurai K, 2008, J APPL PHYS, V103, DOI 10.1063/1.2825647 Saito R, 2002, PHYS REV LETT, V88, DOI 10.1103/PhysRevLett.88.027401 Siegman A., 1986, LASERS, P1024 Sun Z, 2012, PHYSICA E, V44, P1082, DOI 10.1016/j.physe.2012.01.012 Wang F, 2008, NAT NANOTECHNOL, V3, P738, DOI 10.1038/nnano.2008.312 Zhang L, 2011, LASER PHYS, V21, P1382, DOI 10.1134/S1054660X11150333 Zhou DP, 2010, IEEE PHOTONIC TECH L, V22, P9, DOI 10.1109/LPT.2009.2035325 Haris, H. Anyi, C. L. Muhammad, A. R. Ahmad, F. Nor, R. M. Zulkepely, N. R. Ali, N. M. Harun, S. W. Arof, H. Zulkepely, Nurul /C-8048-2014; MD NOR, ROSLAN/B-5221-2010; Engineering, Faculty /I-7935-2015 MD NOR, ROSLAN/0000-0003-0649-2272; Engineering, Faculty /0000-0002-4848-7052 University of Malaya PG024-2013B; University of Malaya Research Grant (UMRG)-AET (Innovative Technology (ITRC)) RP008D-13AET This work was supported by University of Malaya Postgraduate Research Grant (PPP) scheme (Grant No: PG024-2013B) and University of Malaya Research Grant (UMRG)-AET (Innovative Technology (ITRC)) (Grant no: RP008D-13AET). 0 WILEY-BLACKWELL HOBOKEN MICROW OPT TECHN LET
Uncontrolled Keywords: Multiwalled carbon nanotubes, passive saturable absorber, q-switching, fiber laser, ultrafast lasers,
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 07 Mar 2016 06:40
Last Modified: 09 Oct 2018 03:57

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