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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 3 — Jan. 20, 2011
  • pp: 307–312

Coupling plane wave received by an annular aperture into a single-mode fiber in the presence of atmospheric turbulence

Chunyi Chen, Huamin Yang, Hui Wang, Shoufeng Tong, and Yan Lou  »View Author Affiliations

Applied Optics, Vol. 50, Issue 3, pp. 307-312 (2011)

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The efficiency of coupling a plane wave into a single-mode fiber can be reduced by both the aperture obstruction of receivers and the turbulence-induced degradation of optical coherence. Using the Gaussian approximation to the mutual coherence function of the incident optical field, we derived an analytical solution for the fiber-coupling efficiency when a plane wave, propagating through atmospheric turbulence, is received by an annular-aperture receiver and coupled into a single-mode fiber. It is a function of the coupling geometry, the aperture-radius-to-coherence-radius ratio (ARCRR), and the aperture-obstruction parameter. It is found by the numerical optimization method that the optimal coupling geometry depends on both the ARCRR and the aperture-obstruction parameter. The results obtained are useful for analyzing and designing a fiber-coupling system influenced by atmospheric turbulence.

© 2011 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(060.2340) Fiber optics and optical communications : Fiber optics components

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: October 12, 2010
Revised Manuscript: November 26, 2010
Manuscript Accepted: December 3, 2010
Published: January 14, 2011

Chunyi Chen, Huamin Yang, Hui Wang, Shoufeng Tong, and Yan Lou, "Coupling plane wave received by an annular aperture into a single-mode fiber in the presence of atmospheric turbulence," Appl. Opt. 50, 307-312 (2011)

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