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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 4 — Feb. 15, 2008
  • pp: 327–329

Gain-clamped Raman fiber oscillator

H. S. Seo, J. T. Ahn, B. J. Park, and W. J. Chung  »View Author Affiliations


Optics Letters, Vol. 33, Issue 4, pp. 327-329 (2008)
http://dx.doi.org/10.1364/OL.33.000327


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Abstract

Gain band expansion of a Raman amplifier based on a Raman fiber oscillator (RFO) was tested with two Raman lasers, which yielded a broad gain spectrum of about 40 nm . However, they also introduced gain-clamping behavior in the short-wavelength range and abnormal excessive gain in long-wavelength channels, which were undesirable for practical application. The proper mechanism of the behavior was analyzed and experimentally demonstrated to apply to a gain-clamped (GC) amplifier based on a RFO. Appropriate configuration of the GC-RFO for wide gain bandwidth was proposed and characterized.

© 2008 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: October 29, 2007
Revised Manuscript: December 3, 2007
Manuscript Accepted: December 12, 2007
Published: February 8, 2008

Citation
H. S. Seo, J. T. Ahn, B. J. Park, and W. J. Chung, "Gain-clamped Raman fiber oscillator," Opt. Lett. 33, 327-329 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-4-327

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