標題: Optically injection mode-locked 1.3 mu m semiconductor optical amplifier fiber ring laser by using gain-switching single-mode FPLD
作者: Hsueh, PS
Lee, SK
Lin, GR
光電工程學系
Department of Photonics
關鍵字: semiconductor optical amplifier;fiber ring laser;optically injection mode-locked;harmonically mode-locked;single-mode FPLD;self-seeding
公開日期: 2002
摘要: We demonstrate a novel approach for generating a stable and low polarization-sensitive mode-locked fiber ring laser by using a low-cost Fabry-Perot laser diode (FPLD) as both the intracavity mode-locker and the band-pass filter. The FPLD pulses is seeded into a close-loop semiconductor optical amplifier (SOA) based fiber ring laser for harmonic and rational harmonic mode-locking operation. The SOA biased at 65 mA and 18degreesC combines with an intracavity optically feedback-injected 1.3 mum FPLD biased at 9.4 mA (below threshold current) and 23degreesC via some optical couplers. Picosecond optical pulse with side-mode suppressing ratio of greater than 12 dB are obtained, the measured lindwidth at 3-dB and 10-dB decay are observed to maintain at about 0.04 nm and 0.14 nm, respectively. Narrow-linewidth operation of the SOAFL with optical pulsewidth of 42.1 ps and wavelength tuning range of about 10 nm at repetition rate of 13 GHz has been demonstrated. The optically injection mode-locking scheme also has shown to exhibit low supermode noise, higher average output power and good stability. The optical output power under harmonic mode-locked scheme is about 297 muW. The fluctuation in output power, the SSB phase noise at 1 kHz offset frequency, and the calculated rms timing jitter within the integral region from 0 Hz to 1 KHz are +/-2.5 muW, -82.4 dBc/Hz, and 1.0 ps, respectively.
URI: http://hdl.handle.net/11536/18802
http://dx.doi.org/10.1117/12.482199
ISBN: 0-8194-4702-1
ISSN: 0277-786X
DOI: 10.1117/12.482199
期刊: SEMICONDUCTOR LASERS AND APPLICATIONS
Volume: 4913
起始頁: 48
結束頁: 53
顯示於類別:會議論文


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