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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 9 — May. 6, 2013
  • pp: 11309–11314

Apodized distributed feedback fiber laser with asymmetrical outputs for multiplexed sensing applications

Haifeng Qi, Zhiqiang Song, Shujuan Li, Jian Guo, Chang Wang, and Gang-Ding Peng  »View Author Affiliations

Optics Express, Vol. 21, Issue 9, pp. 11309-11314 (2013)

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The spectral characteristics of four different types of apodized fiber Bragg gratings with a single π phase shift are analyzed based on the simulation. The 2-discrete Gaussian apodization is proved to have the most effective suppression to grating side mode. A novel asymmetrical distributed feedback fiber laser based on this apodization structure is presented and fabricated as well. The grating has a −20 dB side-mode suppression. The laser exhibits a high power ratio of backward to forward outputs. It has a relative intensity noise of −90dB/Hz and a linewidth of 20k Hz operating in a single polarization longitudinal mode.

© 2013 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 23, 2013
Revised Manuscript: March 22, 2013
Manuscript Accepted: April 4, 2013
Published: May 1, 2013

Haifeng Qi, Zhiqiang Song, Shujuan Li, Jian Guo, Chang Wang, and Gang-Ding Peng, "Apodized distributed feedback fiber laser with asymmetrical outputs for multiplexed sensing applications," Opt. Express 21, 11309-11314 (2013)

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