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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 21 — Jul. 20, 2012
  • pp: 5295–5301

Q-switched mode-locking of an erbium-doped fiber laser using cavity modulation frequency detuning

You Min Chang, Junsu Lee, Young Min Jhon, and Ju Han Lee  »View Author Affiliations


Applied Optics, Vol. 51, Issue 21, pp. 5295-5301 (2012)
http://dx.doi.org/10.1364/AO.51.005295


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Abstract

We present the results of an investigation regarding a Q-switched mode-locked fiber laser scheme based on a cavity modulation frequency detuning technique. The approach is based on undamped laser relaxation oscillations occurring due to frequency detuning in the fundamental cavity resonance frequency. Through a range of experiments with an erbium-doped, fiber-based, ring-cavity laser, this approach has been shown to be capable of generating high-quality Q-switched mode-locked pulses from an optical fiber-based laser. The maximum frequency detuning range for a stable Q-switched mode-locking operation has been observed to vary depending on the pump power used. We found that the highest pulse peak power was obtained at the frequency detuning threshold at which the operation changed from the mode-locking to the Q-switched mode-locking regime.

© 2012 Optical Society of America

OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.4050) Lasers and laser optics : Mode-locked lasers
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 13, 2012
Revised Manuscript: June 15, 2012
Manuscript Accepted: June 25, 2012
Published: July 19, 2012

Citation
You Min Chang, Junsu Lee, Young Min Jhon, and Ju Han Lee, "Q-switched mode-locking of an erbium-doped fiber laser using cavity modulation frequency detuning," Appl. Opt. 51, 5295-5301 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-21-5295


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