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Optics Letters

Optics Letters


  • Vol. 25, Iss. 22 — Nov. 15, 2000
  • pp: 1624–1626

Stable single- and dual-wavelength fiber laser mode locked and spectrum shaped by a Fabry—Perot saturable absorber

O. G. Okhotnikov and M. Guina  »View Author Affiliations

Optics Letters, Vol. 25, Issue 22, pp. 1624-1626 (2000)

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We show that the spectral response of a Fabry–Perot semiconductor saturable absorber depends on laser beam focusing. We used this effect to achieve stable passive mode-locked operation in a simple and environmentally stable fiber laser by introducing spectral filtering and forcing near-resonant operation. By reducing the free spectral range and increasing the nonlinear response of the Fabry–Perot saturable absorber, we obtained dual-wavelength mode-locked operation.

© 2000 Optical Society of America

OCIS Codes
(060.2380) Fiber optics and optical communications : Fiber optics sources and detectors
(060.2410) Fiber optics and optical communications : Fibers, erbium
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

O. G. Okhotnikov and M. Guina, "Stable single- and dual-wavelength fiber laser mode locked and spectrum shaped by a Fabry—Perot saturable absorber," Opt. Lett. 25, 1624-1626 (2000)

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