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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 6 — Mar. 15, 2013
  • pp: 956–958

Sub-50 fs Yb-doped laser with anomalous-dispersion photonic crystal fiber

Zuxing Zhang, Ç. Şenel, R. Hamid, and F. Ö. Ilday  »View Author Affiliations

Optics Letters, Vol. 38, Issue 6, pp. 956-958 (2013)

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We report on the generation of 42 fs pulses at 1 μm in a completely fiber-integrated format, which are, to the best of our knowledge, the shortest from all-fiber-integrated Yb-doped fiber lasers to date. The ring fiber cavity incorporates anomalous-dispersion, solid-core photonic crystal fiber with low birefringence, which acts as a broadband, in-fiber Lyot filter to facilitate mode locking. The oscillator operates in the stretched-pulse regime under slight normal net cavity dispersion. The cavity generates 4.7 ps long pulses with a spectral bandwidth of 58.2 nm, which are dechirped to 42 fs via a grating pair compressor outside of the cavity. Relative intensity noise (RIN) of the laser is characterized, with the integrated RIN found to be 0.026% in the 3 Hz–250 kHz frequency range.

© 2013 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 8, 2013
Revised Manuscript: February 12, 2013
Manuscript Accepted: February 12, 2013
Published: March 13, 2013

Zuxing Zhang, Ç. Şenel, R. Hamid, and F. Ö. Ilday, "Sub-50 fs Yb-doped laser with anomalous-dispersion photonic crystal fiber," Opt. Lett. 38, 956-958 (2013)

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