共 20 条
Spacing-Switchable Multiwavelength Fiber Laser Based on Nonlinear Polarization Rotation and Brillouin Scattering in Photonic Crystal Fiber
被引:31
作者:
Shahabuddin, N. S.
[1
]
Ahmad, H.
[2
]
Yusoff, Z.
[3
]
Harun, S. W.
[1
,2
]
机构:
[1] Univ Malaya, Fac Engn, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Dept Phys, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[3] Multimedia Univ, Fac Engn, Cyberjaya 63100, Malaysia
关键词:
Erbium-doped fiber laser (EDFL);
multiwavelength;
nonlinear polarization rotation;
stimulated Brillouin scattering (SBS);
ERBIUM-DOPED FIBER;
SAGNAC LOOP MIRROR;
RING LASER;
LINEAR CAVITY;
MECHANISM;
D O I:
10.1109/JPHOT.2011.2178400
中图分类号:
TM [电工技术];
TN [电子技术、通信技术];
学科分类号:
0808 ;
0809 ;
摘要:
A new spacing-switchable multiwavelength erbium-doped fiber laser (EDFL) is demonstrated using switchable nonlinear polarization rotation (NPR) and stimulated Brillouin scattering (SBS) effects. The laser employs a 100-m-long photonic crystal fiber in conjunction with a four-port circulator in a figure-of-eight arrangement to provide the intensity-dependent transmission effect, as well as to discriminate the even-order and odd-order Brillouin Stokes to have a double-frequency Brillouin Stokes output. Without the Brillouin pump (BP), the laser operates in an NPR mode to produce at least 22 lasing wavelengths with a side mode suppression ratio of more than 10 dB and a wavelength spacing of 0.27 nm. In the Brillouin erbium fiber laser mode, at least 30 Brillouin lines with a spacing of 0.16 nm are obtained at BP power of 3 dBm and 980-nm pump power of 120 mW.
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页码:34 / 38
页数:5
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