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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 17 — Sep. 1, 2008
  • pp: 2014–2016

Widely tunable ring-cavity tellurite fiber Raman laser

Guanshi Qin, Meisong Liao, Takenobu Suzuki, Atsushi Mori, and Yasutake Ohishi  »View Author Affiliations

Optics Letters, Vol. 33, Issue 17, pp. 2014-2016 (2008)

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We report a widely tunable ring-cavity tellurite fiber Raman laser covering the S + C + L + U band. A tunable range ( 1495 1600 nm , limited by the tunable optical bandpass filter) over 100 nm is obtained by using a single-mode tellurite fiber with high Raman gain coefficients ( 55 W 1 km 1 ) and large Raman shift ( 22.3 THz ) as the gain medium. Furthermore, the free-running 1665 nm Raman fiber laser is achieved from the ring cavity by removing the tunable optical bandpass filter, which shows that such a tellurite fiber has potential for constructing a widely tunable fiber Raman laser covering the S + C + L + U band. A high optical signal-to-noise ratio of over 60 dB for almost all of the tunable range is also demonstrated.

© 2008 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3600) Lasers and laser optics : Lasers, tunable
(160.4330) Materials : Nonlinear optical materials
(190.5650) Nonlinear optics : Raman effect

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: June 10, 2008
Revised Manuscript: July 24, 2008
Manuscript Accepted: July 24, 2008
Published: August 29, 2008

Guanshi Qin, Meisong Liao, Takenobu Suzuki, Atsushi Mori, and Yasutake Ohishi, "Widely tunable ring-cavity tellurite fiber Raman laser," Opt. Lett. 33, 2014-2016 (2008)

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