標題: Harmonic injection-locking behavior of frequency-detuned optical pulse in erbium-doped fiber laser
作者: Lin, GR
Liao, YS
Wu, JR
光電工程學系
Department of Photonics
關鍵字: erbium-doped fiber laser;harmonic injection-locked;gain-switched laser diode;detuning frequency
公開日期: 1-八月-2004
摘要: The harmonic injection-locking dynamics of a gain-switched laser diode (GSLD) pulse-injection-locked Erbium-doped fiber amplifier-based laser (EDFL) are studied. Under GSLD injection with a pulsewidth and an average power of 17.6ps and 0.2 mW, respectively, at a repetition frequency corresponding to the 223rd harmonic (996.8635971 MHz) of the EDFL, the pulsewidth, peak power, and phase noise of the injection-locked EDFL are broadening from 34.3 ps to 130 ps, decreasing from 1.8 W to 500 mW, and increasing from - 101.5 dBc/Hz to -86 dBc/Hz, respectively, as the repetition frequency detunes toward the injection-locking margin. The injection-locking range is from -13 kHz to +27 kHz. The peak power of the broadened pulses is greatly reduced to one third of that at the zero-detuning condition even with a detuning frequency of 5 kHz. The injection-locked EDFL pulse-train eventually disappears as the repetition frequency of the GSLD detuned beyond the injection-locking bandwidth. The timing jitter of the GSLD harmonic injection-locked EDFL remains unchanged (<0.5ps) within a positive detuning frequency of <25kHz, which is less stable at a negatively frequency-detuned regime.
URI: http://dx.doi.org/10.1143/JJAP.43.5204
http://hdl.handle.net/11536/26540
ISSN: 0021-4922
DOI: 10.1143/JJAP.43.5204
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
Volume: 43
Issue: 8A
起始頁: 5204
結束頁: 5208
顯示於類別:期刊論文


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