標題: Ultrahigh supermode noise suppressing ratio of a semiconductor optical amplifier filtered harmonically mode-locked Erbium-doped fiber laser
作者: Lin, GR
Wu, MC
Chang, YC
Pan, CL
光電工程學系
Department of Photonics
公開日期: 5-九月-2005
摘要: The supermode noise suppressing ratio (SMSR) and the phase noise of a harmonically mode-locked Erbium-doped fiber laser (HML-EDFL) with an intra-cavity semiconductor optical amplifier (SOA) and an optical band-pass filter (OBPF) are improved and compared with a state-of-the-art Fabry-Perot laser diode (FPLD) injection-mode-locked EDFL. By driving the intra-cavity SOA based high-pass filter at unitary gain condition, the SMSR of the HML-EDFL is enhanced to 82 dB at the cost of degrading phase noise, increasing jitter, and broadened pulsewidth. The adding of OBPF further improves the SMSR, pulsewidth, phase noise, and jitter of the SOA-filtered HML-EDFL to 90 dB, 42 ps, -112 dBc/Hz, and 0.7 ps, respectively. The ultrahigh SMSR of the SOA-filtered HML-EDFL can compete with that of the FPLD injection-mode-locked EDFL without sacrificing its pulsewidth and jitter performances. (c) 2005 Optical Society of America
URI: http://dx.doi.org/10.1364/OPEX.13.007215
http://hdl.handle.net/11536/13275
ISSN: 1094-4087
DOI: 10.1364/OPEX.13.007215
期刊: OPTICS EXPRESS
Volume: 13
Issue: 18
起始頁: 7215
結束頁: 7224
顯示於類別:期刊論文


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