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Optics Express

Optics Express

  • Vol. 17, Iss. 7 — Mar. 30, 2009
  • pp: 5273–5278

Optical microfiber coupler for broadband single-mode operation

Yongmin Jung, Gilberto Brambilla, and David J. Richardson  »View Author Affiliations


Optics Express, Vol. 17, Issue 7, pp. 5273-5278 (2009)
http://dx.doi.org/10.1364/OE.17.005273


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Abstract

We present a broadband single-mode bi-conical microfiber coupler (MFC) with a specifically designed transition region that effectively suppresses any higher-order modes present at the input fiber and provides efficient power splitting into the fundamental mode at the two output ports. As a practical example, single-mode 3-dB splitting operation over a broad spectral window (400~1700 nm) was demonstrated for a very thin taper waist (~1.5μm) MFC made from conventional telecom optical fibers.

© 2009 Optical Society of America

OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1150) Optical devices : All-optical devices
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 26, 2009
Revised Manuscript: March 13, 2009
Manuscript Accepted: March 13, 2009
Published: March 18, 2009

Citation
Yongmin Jung, Gilberto Brambilla, and David J. Richardson, "Optical microfiber coupler for broadband single-mode operation," Opt. Express 17, 5273-5278 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-7-5273


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