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Proceedings Paper

Single-longitudinal-mode fiber laser using passive multiple-ring-cavity technique
Author(s): Chien-Chung Lee; Yung Kung Chen; Shien-Kuei Liaw; Frank Tsai; Ching Sheu Wang; Y. K. Tu
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Paper Abstract

A single-longitudinal-mode erbium-doped fiber laser with passive multiple-ring-cavity (MRC) is proposed. The laser is fundamentally structured by inserting three different short ring cavities, which serve as mode filters, into the main cavity. When combined with a mode-restricting intracavity fiber Bragg grating, the MRC resonator ensures single- longitudinal-mode laser oscillation. The laser can successfully suppress the side-mode frequencies up to 1 GHz, and provide an output power of 23 mW with a side-mode suppression ratio of 51 dB at 1533 nm. The short-term linewidth of the laser output measured is about 2 kHz. The ability of this fiber laser as an AM transmitter source is also demonstrated.

Paper Details

Date Published: 19 June 1998
PDF: 5 pages
Proc. SPIE 3420, Optical Fiber Communication, (19 June 1998); doi: 10.1117/12.312858
Show Author Affiliations
Chien-Chung Lee, Chunghwa Telecom Labs. (Taiwan)
Yung Kung Chen, National Sun Yat-Sen Univ. (Taiwan)
Shien-Kuei Liaw, National Chiao-Tung Univ. (Taiwan)
Frank Tsai, Chunghwa Telecom Labs. (United States)
Ching Sheu Wang, Chunghwa Telecom Labs. (Taiwan)
Y. K. Tu, Chunghwa Telecom Labs. (Taiwan)

Published in SPIE Proceedings Vol. 3420:
Optical Fiber Communication
Winston I. Way; Franklin F. Tong; Alan Eli Willner, Editor(s)

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