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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 24 — Dec. 15, 2000
  • pp: 1774–1776

Single-longitudinal-mode operation of a grating-based fiber-ring laser using self-injection feedback

Chien-Chung Lee and Sien Chi  »View Author Affiliations


Optics Letters, Vol. 25, Issue 24, pp. 1774-1776 (2000)
http://dx.doi.org/10.1364/OL.25.001774


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Abstract

A fiber Bragg grating– (FBG–) based fiber-ring laser that utilizes the transmitted light of the FBG as self-injection feedback for single-longitudinal-mode (SLM) oscillation is proposed and demonstrated. This laser is simply constructed by means of feeding back the transmitted light of the FBG and is coupled into the main ring cavity through an optical coupler. The self-injection feedback is the key to ensuring SLM laser oscillation. The SLM operation principle is discussed in detail, and a SLM laser with output power of 6.6 dBm, an optical signal-to-noise ratio of 57 dB at 1549.19 nm, and a short-term linewidth of 3.5 kHz is reported.

© 2000 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3560) Lasers and laser optics : Lasers, ring
(140.3570) Lasers and laser optics : Lasers, single-mode

Citation
Chien-Chung Lee and Sien Chi, "Single-longitudinal-mode operation of a grating-based fiber-ring laser using self-injection feedback," Opt. Lett. 25, 1774-1776 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-24-1774

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