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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 8 — Apr. 15, 2014
  • pp: 2294–2297

Random spaced index modulation for a narrow linewidth tunable fiber laser with low intensity noise

Yang Li, Ping Lu, Xiaoyi Bao, and Zhonghua Ou  »View Author Affiliations


Optics Letters, Vol. 39, Issue 8, pp. 2294-2297 (2014)
http://dx.doi.org/10.1364/OL.39.002294


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Abstract

A tunable random feedback fiber laser with low intensity noise is proposed and experimentally demonstrated. The random feedback is effectively achieved by multiple reflections from 100 randomly spaced refractive index modulation regions over 10 cm SMF in both longitudinal and transverse directions. A tunable erbium-doped fiber ring laser with narrow linewidth of 2.4 kHz and a high side-mode suppression ratio of 59 dB is achieved over a 0.5 nm tuning range. The proposed fiber laser exhibits low relative intensity noise (<120dB/Hz) and low frequency fluctuation of 3.41×1011 over 5 s.

© 2014 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 15, 2014
Revised Manuscript: March 13, 2014
Manuscript Accepted: March 14, 2014
Published: April 8, 2014

Citation
Yang Li, Ping Lu, Xiaoyi Bao, and Zhonghua Ou, "Random spaced index modulation for a narrow linewidth tunable fiber laser with low intensity noise," Opt. Lett. 39, 2294-2297 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-8-2294

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