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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 10 — Apr. 1, 2012
  • pp: C111–C116

Tunable multiwavelength fiber laser based on a double Sagnac HiBi fiber loop

Tianshu Wang, Xuefeng Miao, Xuefang Zhou, and Sheng Qian  »View Author Affiliations


Applied Optics, Vol. 51, Issue 10, pp. C111-C116 (2012)
http://dx.doi.org/10.1364/AO.51.00C111


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Abstract

A tunable multiwavelength fiber laser based on double Sagnac loops is proposed and demonstrated. Comb filter characteristics of single and double Sagnac loops are analyzed by Jones matrix. Simulated results show that there are better tunability and controllability with double loops than with a single loop, and this also has been confirmed by experimental results. By adjusting the polarization controller and the length of the polarization maintaining fiber the wavelength range, wavelength spacing, and laser linewidth can be tuned. Experimental results indicate that the linewidth of the multiwavelength fiber laser was 0.0187 nm and the optical sidemode suppression ratio was 50 dB.

© 2012 Optical Society of America

OCIS Codes
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect
(140.3600) Lasers and laser optics : Lasers, tunable
(060.3510) Fiber optics and optical communications : Lasers, fiber

History
Original Manuscript: December 12, 2011
Revised Manuscript: February 21, 2012
Manuscript Accepted: February 21, 2012
Published: March 28, 2012

Citation
Tianshu Wang, Xuefeng Miao, Xuefang Zhou, and Sheng Qian, "Tunable multiwavelength fiber laser based on a double Sagnac HiBi fiber loop," Appl. Opt. 51, C111-C116 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-10-C111

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