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3篇 您的检索式:作者名="N.S.Shahabuddin"
    题名 作者 年代 出处 被引量
1Performance Comparison of Mode-Locked Erbium-Doped Fiber Laser with Nonlinear Polarization Rotation and Saturable Absorber Approaches显示文摘A mode-locked erbium-doped fiber laser (EDFL) is demonstrated using a highly concentrated erbium-doped fiber (EDF) as the gain medium in a ring configuration with and without a saturable absorber (SA).Without the SA,the proposed laser generates soliton pulses with a repetition rate of 12 MHz,pulse width of 1.11 ps and energy pulse of 1.6pJ.By incorporating SA in the ring cavity,the optical output of the laser changes from soliton to stretched pulses due to the slight change in the group velocity dispersion.With the SA,a cleaner pulse is obtained with a repetition rate of 11.3 MHz,a pulse width of 0.58ps and a pulse energy of 2.3pJ.M.A.Ismail S.J.Tan N.S.Shahabuddin S.W.Harun H.Arof H.Ahmad 2012Chinese Physics Letters2012,29,5:0
2Nanosecond Pulse Generation Using the Stimulated Brillouin Scattering Effect in a Photonic Crystal Fiber显示文摘A nanosecond pulsed laser is demonstrated using the stimulated Brillouin scattering(SBS)effect in a nonlinear photonic crystal fiber(PCF).The Brillouin fiber laser(BFL)uses a 50-m-long PCF in a simple ring cavity to generate a self-starting pulse as the Brillouin power reaches 16.5 dBm based on the relaxation oscillation technique.The BFL generates a pulse train with repetition rates of 2.7 MHz and 5.4 MHz depending on the BP power.The pulse width of the laser is obtained to be 190 ns at the BP power of 16.5 dBm and is maintained at around 72 ns as the pump power is set within 17.7 dBm and 18.5 dBm.The maximum pulse energy of 20 nJ is obtained at BP power of 17.4 dBm.This SBS based pulse laser is fairly stable at room temperature.Z.Jusoh N.S.Shahabuddin N.M.Ali H.Ahmad S.W.Harun 2013Chinese Physics Letters2013,30,11:0
3Photonic crystal ber-based multi-wavelength Brillouin ber laser with dual-pass ampli cation con guration显示文摘A simple technique for achieving a stable, room temperature and multi-wavelength lasing with narrow linewidth is demonstrated using Brillouin ber laser (BFL) with a 100-m-long photonic crystal ber (PCF) in conjunction with a dual-pass configuration. A broadband ber Bragg grating (FBG) operating in the C-band region is incorporated at the end side of the setup to allow a dual-pass operation. The proposed BFL can operate at any wavelength depending on the Brillouin pump wavelength and the FBG's reflection region used. With a Brillouin pump (BP) of 15.7 dBm, approximately 7 Stokes and 4 anti-Stokes lines are obtained with a line spacing of 0.08 nm.R.Parvizi S.W.Harun N.M.Ali N.S.Shahabuddin H.Ahmad 2011Chinese Optics Letters2011,9,2:0
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