Chinese Optics Letters, 2003, 1 (3): 03128, Published Online: Jun. 6, 2006  

Figure-eight actively-passively mode-locked erbium-doped fiber laser

Author Affiliations
College of Precision Instrument and Optoelectronics Engineering, Tianjin University, Laboratory of Opto-electronics Information Technical Sciences and Technology, EMC, Tianjin 300072
Abstract
The advantages of using nonlinear optical loop mirror (NOLM) to compress pulse with slight amplitude fluctuation and reflected energy loss are analyzed in theory. Experimentally the NOLM is placed in an actively mode-locked erbium-doped fiber ring laser to form a figure-eight actively and passively modelocked fiber laser. 12 ps mode-locked pulses centered at 1.543 μm were obtained with the modulation frequency of 2.498748700 GHz. 3.715 mW output power is achieved with 50 mW pump power.

Zhaoying Wang, Zhenhong Yu, Chunfeng Ge, Ruifeng Zhang, Dongfang Jia, Shichen Li. Figure-eight actively-passively mode-locked erbium-doped fiber laser[J]. Chinese Optics Letters, 2003, 1(3): 03128.

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