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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8371–8376

Tunable multi-wavelength SOA fiber laser based on a Sagnac loop mirror using an elliptical core side-hole fiber

Dae Seung Moon, Bok Hyeon Kim, Aoxiang Lin, Guoyong Sun, Won-Taek Han, Young-Geun Han, and Youngjoo Chung  »View Author Affiliations


Optics Express, Vol. 15, Issue 13, pp. 8371-8376 (2007)
http://dx.doi.org/10.1364/OE.15.008371


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Abstract

We propose and experimentally demonstrate a tunable multi-wavelength SOA fiber laser based on a Sagnac loop mirror using elliptical core side-hole fiber. We fabricated different types of elliptical core side-hole fiber with elliptical or circular cladding shape. The measured modal birefringence of the fabricated fiber was 1.7×10-4 (elliptical shape) and 1.16×10-4 (circular shape), respectively. By carefully adjusting the polarization controller inside the cavity, we could obtain 18 discrete channels with SNR over 30 dB and channel spacing of 0.8 nm and 10 discrete channels with SNR over 30 dB and channel spacing of ∼1.4 nm. The proposed fiber laser was rather stable and the temporal power fluctuation was less than 0.8 dB. In addition, by thermally heating the elliptical core side-hole fiber in the Sagnac loop, we could obtain a tunable multi-wavelength fiber laser.

© 2007 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2420) Fiber optics and optical communications : Fibers, polarization-maintaining
(120.5790) Instrumentation, measurement, and metrology : Sagnac effect
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: May 2, 2007
Revised Manuscript: June 14, 2007
Manuscript Accepted: June 14, 2007
Published: June 19, 2007

Citation
Dae Seung Moon, Bok Hyeon Kim, Aoxiang Lin, Guoyong Sun, Won-Taek Han, Young-Geun Han, and Youngjoo Chung, "Tunable multi-wavelength SOA fiber laser based on a Sagnac loop mirror using an elliptical core side-hole fiber," Opt. Express 15, 8371-8376 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-8371


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References

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