Single-longitudinal-mode fiber laser using passive multiple-ring-cavity technique

Chien-Chung Lee; Yung Kung Chen; Shien-Kuei Liaw; Frank Tsai; Ching Sheu Wang; Y. K. Tu

doi:10.1117/12.312858

19 June 1998 Single-longitudinal-mode fiber laser using passive multiple-ring-cavity technique

Chien-Chung Lee, Yung Kung Chen, Shien-Kuei Liaw, Frank Tsai, Ching Sheu Wang, Y. K. Tu

Proceedings Volume 3420, Optical Fiber Communication; (1998) https://doi.org/10.1117/12.312858
Event: Asia Pacific Symposium on Optoelectronics '98, 1998, Taipei, Taiwan

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.

Citation Download Citation

Chien-Chung Lee, Yung Kung Chen, Shien-Kuei Liaw, Frank Tsai, Ching Sheu Wang, and Y. K. Tu "Single-longitudinal-mode fiber laser using passive multiple-ring-cavity technique", Proc. SPIE 3420, Optical Fiber Communication, (19 June 1998); https://doi.org/10.1117/12.312858

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