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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1795–1797

Intensity noise and relaxation oscillation of a fiber- laser sensor array integrated in a single fiber

Lina Ma, Yongming Hu, Shuidong Xiong, Zhou Meng, and Zhengliang Hu  »View Author Affiliations


Optics Letters, Vol. 35, Issue 11, pp. 1795-1797 (2010)
http://dx.doi.org/10.1364/OL.35.001795


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Abstract

We modeled the intensity noise of a distributed-feedback fiber laser (DFB-FL) with external laser injection. The transfer function for injected power perturbation was obtained. Simulation indicates that the laser relaxation oscillation frequency is not affected by external laser injection and is determined by the laser pump power, which provides a promising way to investigate the actual pump power budget over the whole wavelength-division multiplexing (WDM) fiber-laser sensor array integrated in a single fiber. The intensity noise enhancement for each sensing unit thus can be evaluated exactly, and we observe an increase of 9 dB in the intensity noise level for two DFB-FLs incorporated in a WDM fiber-laser array.

© 2010 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: March 19, 2010
Revised Manuscript: April 27, 2010
Manuscript Accepted: April 28, 2010
Published: May 19, 2010

Citation
Lina Ma, Yongming Hu, Shuidong Xiong, Zhou Meng, and Zhengliang Hu, "Intensity noise and relaxation oscillation of a fiber-laser sensor array integrated in a single fiber," Opt. Lett. 35, 1795-1797 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-11-1795

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