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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 4, Iss. 11 — Nov. 10, 2006
  • pp: 621–624

Modular interference characteristic of two-mode fiber

Helin Wang, Weihong Bi, Aijun Yang, and Feng Liu  »View Author Affiliations

Chinese Optics Letters, Vol. 4, Issue 11, pp. 621-624 (2006)

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The modular interference characteristics of circular-core and elliptical-core two-mode fibers are investigated in theory. The intensity distribution and figure of two-lobe mode patterns are evaluated and simulated quantitatively for different phase difference change between LP01 and LP11^(even) mode. The interference mode patterns of elliptical-core and circular-core two-mode fibers are compared, the result shows that the two-lobe interference patterns of the two-mode fibers generate energy exchange and oscillation, and the difference is that the interference mode patterns of circular-core two-mode fiber are almost elliptical, while the interference mode pattern of elliptical-core two-mode fiber is approximately circular on condition that proper selection of the ellipticity. Their two-dimensional (2D) profile determines the choice of the core shape of the information pick-up fiber.

© 2006 Chinese Optics Letters

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(030.4070) Coherence and statistical optics : Modes
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2310) Fiber optics and optical communications : Fiber optics

Helin Wang, Weihong Bi, Aijun Yang, and Feng Liu, "Modular interference characteristic of two-mode fiber," Chin. Opt. Lett. 4, 621-624 (2006)

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