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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 8 — Apr. 15, 2010
  • pp: 1296–1298

All-fiber all-normal dispersion laser with a fiber-based Lyot filter

K. Özgören and F. Ö. Ilday  »View Author Affiliations


Optics Letters, Vol. 35, Issue 8, pp. 1296-1298 (2010)
http://dx.doi.org/10.1364/OL.35.001296


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Abstract

We propose the use of a short section of polarization-maintaining fiber as a birefringent medium to construct an all-fiber Lyot filter inside the cavity of a fiber laser. This allows mode-locked operation of an all-fiber all-normal dispersion Yb-fiber oscillator without the use of a bulk bandpass filter and using standard components. Moreover, filter bandwidth and modulation depth is easily controlled by changing the length and splice angle of the polarization-maintaining-fiber section, leading to an adjustable filter. At mode-locked operation, the 30% output fiber port delivers 1 nJ pulses that are dechirped to 230 fs duration.

© 2010 Optical Society of America

OCIS Codes
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7090) Lasers and laser optics : Ultrafast lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 11, 2010
Revised Manuscript: March 12, 2010
Manuscript Accepted: March 16, 2010
Published: April 15, 2010

Citation
K. Özgören and F. Ö. Ilday, "All-fiber all-normal dispersion laser with a fiber-based Lyot filter," Opt. Lett. 35, 1296-1298 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-8-1296


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