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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 18 — Sep. 9, 2002
  • pp: 972–977

Rotation angle optimization of the polarization eigenmodes for detection of weak mode coupling in birefringent waveguides

Wencai Jing, Yimo Zhang, Ge Zhou, Hongxia Zhang, Zhaohui Li, and Xiaoming Man  »View Author Affiliations


Optics Express, Vol. 10, Issue 18, pp. 972-977 (2002)
http://dx.doi.org/10.1364/OE.10.000972


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Abstract

White light interferometry has been adopted to measure distributed polarization coupling in high-birefringence waveguides. Since the coupling mode is weak compared to the exciting mode, the contrast ratio of the interferogram is very low. This will increase the difficulty of direct detection of the polarization coupling intensity. By rotating the angle between the polarization eigenmodes and the principal axis of the linear polarizer from 45° to 85°, the contrast ratio of the interferogram can be improved more than 10 times. As a result, the measurement sensitivity can be improved more than 100 times.

© 2002 Optical Society of America

OCIS Codes
(060.2300) Fiber optics and optical communications : Fiber measurements
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(220.4840) Optical design and fabrication : Testing

ToC Category:
Research Papers

History
Original Manuscript: July 30, 2002
Revised Manuscript: September 4, 2002
Published: September 9, 2002

Citation
Wencai Jing, Yimo Zhang, Ge Zhou, Hongxia Zhang, Zhaohui Li, and Xiaoming Man, "Rotation angle optimization of the polarization eigenmodes for detection of weak mode coupling in birefringent waveguides," Opt. Express 10, 972-977 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-18-972


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