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Optics Letters

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  • Vol. 36, Iss. 20 — Oct. 15, 2011
  • pp: 4074–4076

Selective excitation and coupling of high-order optical modes of a microstructured optical fiber by using a fiber-end microtip

Yinbing Bai, A. Ping Zhang, Guofeng Yan, and Sailing He  »View Author Affiliations


Optics Letters, Vol. 36, Issue 20, pp. 4074-4076 (2011)
http://dx.doi.org/10.1364/OL.36.004074


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Abstract

We present the selective excitation and coupling of high-order optical modes in microstructured optical fibers (MOFs) by using a fiber-end microtip. After the self-growing of a microtip on the end face of a standard single-mode fiber, it is demonstrated that a fine tuning of the relative displacement between the microtip and MOF can greatly improve the excitation and coupling efficiency of high-order optical modes of the MOF. A 6.85 dB improvement in coupling efficiency of the second-order mode of a homemade small-hole MOF is experimentally achieved, and a sensitivity-enhanced measurement of the refractive index in MOF microholes is demonstrated.

© 2011 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(060.4005) Fiber optics and optical communications : Microstructured fibers

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: June 27, 2011
Revised Manuscript: September 14, 2011
Manuscript Accepted: September 19, 2011
Published: October 12, 2011

Citation
Yinbing Bai, A. Ping Zhang, Guofeng Yan, and Sailing He, "Selective excitation and coupling of high-order optical modes of a microstructured optical fiber by using a fiber-end microtip," Opt. Lett. 36, 4074-4076 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-4074

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