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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 7 — Apr. 4, 2005
  • pp: 2688–2698

Dispersion effects on the detuning properties of actively harmonic mode-locked fiber lasers

G. Zhu and N.K. Dutta  »View Author Affiliations

Optics Express, Vol. 13, Issue 7, pp. 2688-2698 (2005)

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Detuning properties for actively harmonic mode-locked fiber lasers has been studied both theoretically and experimentally while taking into account of finite cavity dispersions. The theoretical work is based on the self-consistent time domain circulating pulse method. By keeping terms which are usually neglected in previous studies, we have derived an analytic formula which can predict the saturation behavior associated with large modulation frequency detuning. It is found that for the case of medium cavity dispersion, both the pulse-modulator RF phase lag and the optical carrier frequency of the circulating pulse will change significantly as a function of the modulation frequency detuning. The analytical results are supported by both the numerical simulations as well as the experimental measurements. Our theory can potentially serve as a design guidance for cavity length feedback control of harmonic mode-locked fiber lasers.

© 2005 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Research Papers

Original Manuscript: December 1, 2004
Revised Manuscript: March 8, 2005
Published: April 4, 2005

G. Zhu and N. K. Dutta, "Dispersion effects on the detuning properties of actively harmonic mode-locked fiber lasers," Opt. Express 13, 2688-2698 (2005)

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