Frequency detuning properties of EDFL pulses generated by harmonic mode-locking and regenerative amplification: a comparison

Yung-Cheng Chang; Gong-Ru Lin

doi:10.1117/12.528176

7 June 2004 Frequency detuning properties of EDFL pulses generated by harmonic mode-locking and regenerative amplification: a comparison

Yung-Cheng Chang, Gong-Ru Lin

Author Affiliations +

Proceedings Volume 5335, Fiber Lasers: Technology, Systems, and Applications; (2004) https://doi.org/10.1117/12.528176
Event: Lasers and Applications in Science and Engineering, 2004, San Jose, Ca, United States

Abstract

We compare the frequency detuning properties of the optical pulses generated from erbium-doped fiber lasers (EDFL’s) by using harmonic mode-locking and regenerative amplification techniques. The frequency detuning range of regeneratively amplified pulse (17.78 kHz) is wider than that of harmonic mode-locked pulses (7 kHz). The regeneratively amplidied EDFL pulse has a smaller pulsewidth (22 ps), a higher peak power (40.7 mW), a lower phase noise (-107 dBc/Hz at offset frequency of 100 kHz), and a lower timing jitter (0.33 ps). This is attributed to that the characteristic of the gain-switched optical pulse is remained under regenerative amplification operation. Our harmonic mode-locked erbium-doped fiber laser has a lower phase noise (-100 dBc/Hz @ offset 1 kHz; -105 dBc/Hz @ 10 kHz) than that ever reported in a regeneratively harmonic mode-locked fiber ring laser.

Citation Download Citation

Yung-Cheng Chang and Gong-Ru Lin "Frequency detuning properties of EDFL pulses generated by harmonic mode-locking and regenerative amplification: a comparison", Proc. SPIE 5335, Fiber Lasers: Technology, Systems, and Applications, (7 June 2004); https://doi.org/10.1117/12.528176

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