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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 2 — Jan. 18, 2010
  • pp: 1677–1683

Reduction of polarization-fluctuation induced drift in resonator fiber optic gyro by a resonator with twin 90° polarization-axis rotated splices

Xijing Wang, Zuyuan He, and Kazuo Hotate  »View Author Affiliations


Optics Express, Vol. 18, Issue 2, pp. 1677-1683 (2010)
http://dx.doi.org/10.1364/OE.18.001677


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Abstract

A method to suppress polarization-fluctuation induced drift in resonator fiber optic gyro (R-FOG) is demonstrated by a polarization-maintaining fiber (PMF) resonator with twin 90° polarization-axis rotated splices. By setting the length difference of the fiber segments between two 90° polarization-axis rotated splicing points to a half of the beat-length of the fiber, a single eigen-state of polarization (ESOP) is excited with incident lightwave linearly polarized along the polarization-axis of the fiber. Compared to the previously reported resonator employing single 90° polarization-axis rotated splice [1], in which two ESOPs are excited, our new scheme avoids the effect from the unwanted ESOP and thus suppresses the polarization-fluctuation induced drift in R-FOG output significantly.

© 2010 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2800) Fiber optics and optical communications : Gyroscopes
(260.5430) Physical optics : Polarization

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 18, 2009
Revised Manuscript: January 8, 2010
Manuscript Accepted: January 8, 2010
Published: January 14, 2010

Citation
Xijing Wang, Zuyuan He, and Kazuo Hotate, "Reduction of polarization-fluctuation induced drift in resonator fiber optic gyro by a resonator with twin 90° polarization-axis rotated splices," Opt. Express 18, 1677-1683 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-2-1677


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References

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