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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 3 — Jan. 30, 2012
  • pp: 3098–3109

Evanescent field coupling between two parallel close contact SMS fiber structures

Qiang Wu, Youqiao Ma, Jinhui Yuan, Yuliya Semenova, Pengfei Wang, Chongxiu Yu, and Gerald Farrell  »View Author Affiliations


Optics Express, Vol. 20, Issue 3, pp. 3098-3109 (2012)
http://dx.doi.org/10.1364/OE.20.003098


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Abstract

We proposed a novel optical coupling technique based on two parallel singlemode-multimode- singlemode (SMS) fiber structures. This technique utilizes one SMS structure to excite multiple cladding modes within an output singlemode fiber. The excited multiple cladding modes will be coupled to the input SMF in the second SMS structure by placing the two SMS fiber structures in parallel and in close contact each other. The coupled cladding modes will be re-coupled to a guided core mode by the second SMS fiber structure. Theoretical analysis for such technique was provided and experimentally we have achieved a pass band spectral response with an extinction ratio higher than 20 dB and a maximum coupling efficiency of 5.9%.

© 2012 OSA

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.2340) Fiber optics and optical communications : Fiber optics components

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: December 5, 2011
Revised Manuscript: January 12, 2012
Manuscript Accepted: January 18, 2012
Published: January 25, 2012

Citation
Qiang Wu, Youqiao Ma, Jinhui Yuan, Yuliya Semenova, Pengfei Wang, Chongxiu Yu, and Gerald Farrell, "Evanescent field coupling between two parallel close contact SMS fiber structures," Opt. Express 20, 3098-3109 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-3-3098


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