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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 24 — Dec. 15, 2013
  • pp: 5220–5223

All-optical spectral linewidth reduction of lasers for coherent optical communication

Deng Pan, Changjian Ke, Songnian Fu, Yaping Liu, Deming Liu, and Alan E. Willner  »View Author Affiliations


Optics Letters, Vol. 38, Issue 24, pp. 5220-5223 (2013)
http://dx.doi.org/10.1364/OL.38.005220


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Abstract

We propose and experimentally demonstrate an effective spectral linewidth suppression scheme for a commercial tunable laser source. By using a long-cavity, narrow-bandwidth stimulated Brillouin scattering filter and multifrequency-selection mechanism simultaneously, a single-longitudinal-mode laser output with linewidth suppression from 3MHz to less than 20 kHz is successfully achieved in the whole C-band. Meanwhile, insertion loss of 5dB and a side-mode suppression ratio improvement of 20dB at a typical output wavelength of 1552.520 nm are obtained. The scheme is experimentally verified to be wavelength independent in the C-band and characterized with good performance of wavelength and power stability.

© 2013 Optical Society of America

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(290.5900) Scattering : Scattering, stimulated Brillouin
(300.3700) Spectroscopy : Linewidth

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 1, 2013
Revised Manuscript: October 18, 2013
Manuscript Accepted: November 1, 2013
Published: December 3, 2013

Citation
Deng Pan, Changjian Ke, Songnian Fu, Yaping Liu, Deming Liu, and Alan E. Willner, "All-optical spectral linewidth reduction of lasers for coherent optical communication," Opt. Lett. 38, 5220-5223 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-24-5220

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