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Proceedings Paper

Comparison of the noise and jitter characteristics of harmonic injection-locked and mode-locked erbium-doped fiber lasers
Author(s): Ming-Chung Wu; Yung-Cheng Chang; Gong-Ru Lin
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Paper Abstract

We compare the noise characteristics of optical pulses generated from an actively mode-locked (AML) erbium-doped fiber laser (EDFL) with a semiconductor optical amplifier and an injection-locked EDFL with a gain-switched Fabry-Perot laser diode (FPLD). The mode-locked EDFL pulse exhibits a phase noise of -110.1 dBc/Hz (at 1 MHz offset frequencies from the carrier), the timing jitter of 1.16 ps, and a supermode noise suppression ratio of 47.5 dB. The injection-locked EDFL pulse exhibits a phase noise of -121.1 dBc/Hz (at 1 MHz offset frequencies from the carrier), a timing jitter of 0.31 ps, and a supermode noise suppression ratio of 51 dB. It is demonstrated that the injection-locked EDFL with a gain-switched FPLD has lower noise characteristics than the AML-EDFL.

Paper Details

Date Published: 10 January 2005
PDF: 9 pages
Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); doi: 10.1117/12.577191
Show Author Affiliations
Ming-Chung Wu, National Chiao Tung Univ. (Taiwan)
Yung-Cheng Chang, National Chiao Tung Univ. (Taiwan)
Gong-Ru Lin, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 5623:
Passive Components and Fiber-based Devices
Yan Sun; Shuisheng Jian; Sang Bae Lee; Katsunari Okamoto, Editor(s)

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