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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 3 — Jan. 20, 2012
  • pp: 390–393

Effective way of reducing coupling loss between rectangular microwaveguide and fiber

Hang Zhou, Zilun Chen, Xiaoming Xi, Jing Hou, and Jinbao Chen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 3, pp. 390-393 (2012)
http://dx.doi.org/10.1364/AO.51.000390


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Abstract

We introduce an anamorphic photonic crystal fiber (PCF) produced by postprocessing techniques to improve the coupling loss between a conventional single-mode fiber and rectangular microwaveguide. One end of the round core is connected with the conventional fiber, and the other end of the rectangular core is connected with the rectangular microwaveguide, then the PCF is tapered pro rata. In this way, the loss of mode mismatch between the output of the conventional fiber and the input of the waveguide would be reduced, which results in enhanced coupling efficiency. The conclusion was confirmed by numerical simulation: the new method is better than straight coupling between the optical fiber and the rectangular microwaveguide, and more than 2.8 dB improvement of coupling efficiency is achieved.

© 2012 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 1, 2011
Manuscript Accepted: September 19, 2011
Published: January 20, 2012

Citation
Hang Zhou, Zilun Chen, Xiaoming Xi, Jing Hou, and Jinbao Chen, "Effective way of reducing coupling loss between rectangular microwaveguide and fiber," Appl. Opt. 51, 390-393 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-3-390


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