Tunable and Switchable Multiwavelength Passively Mode-Locked Fiber Laser Based on SESAM and Inline Birefringence Comb Filter

被引：106
作者：
Luo, Zhi-Chao [1 ]
Luo, Ai-Ping [1 ]
Xu, Wen-Cheng [1 ]
机构：
[1] S China Normal Univ, Sch Informat & Optoelect Sci & Engn, Guangdong Higher Educ Inst, Key Lab Photon Informat Technol, Guangzhou 510006, Guangdong, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2011年 / 3卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Multiwavelength fiber lasers; passively mode-locked; saturable absorber; comb filter; ERBIUM-DOPED FIBER; NONLINEAR POLARIZATION ROTATION; MACH-ZEHNDER INTERFEROMETER; RING LASER; SINGLE-WAVELENGTH; GENERATION; OPERATION; CAVITY; GHZ;
D O I：
10.1109/JPHOT.2010.2102012
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 tunable and switchable multiwavelength passively mode-locked fiber laser by using a semiconductor saturable absorber mirror (SESAM) and an inline birefringence fiber filter is proposed and demonstrated. By properly rotating the polarization controllers (PCs), up to 7-wavelength mode-locked pulses in 3-dB bandwidth with 3.65-nm channel spacing are obtained. The wavelength switchable operation is determined by the characteristics of the comb filter used in the experiment. Taking advantage of an intensity-dependent loss mechanism caused by the nonlinear polarization rotation (NPR) effect, the mode competition is efficiently suppressed. In addition, the lasing locations of multiwavelength mode-locked pulses can be flexibly tuned via the wavelength-dependent loss mechanism.
引用
收藏
页码：64 / 70
页数：7
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