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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 19 — Sep. 15, 2008
  • pp: 14661–14667

Optics InfoBase > Optics Express > Volume 16 > Issue 19 > Page 14661

Broadband single-mode operation of standard optical fibers by using a sub-wavelength optical wire filter

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


Optics Express, Vol. 16, Issue 19, pp. 14661-14667 (2008)
http://dx.doi.org/10.1364/OE.16.014661


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Abstract

We report the use of a sub-wavelength optical wire (SOW) with a specifically designed transition region as an efficient tool to filter higher-order modes in multimode waveguides. Higher-order modes are effectively suppressed by controlling the transition taper profile and the diameter of the sub-wavelength optical wire. As a practical example, single-mode operation of a standard telecom optical fiber over a broad spectral window (400~1700 nm) was demonstrated with a 1µm SOW. The ability to obtain robust and stable single-mode operation over a very broad range of wavelengths offers new possibilities for mode control within fiber devices and is relevant to a range of application sectors including high performance fiber lasers, sensors, photolithography, and optical coherence tomography systems.

© 2008 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: June 30, 2008
Revised Manuscript: August 14, 2008
Manuscript Accepted: August 28, 2008
Published: September 3, 2008

Virtual Issues
Vol. 3, Iss. 11 Virtual Journal for Biomedical Optics

Citation
Yongmin Jung, Gilberto Brambilla, and David J. Richardson, "Broadband single-mode operation of standard optical fibers by using a sub-wavelength optical wire filter," Opt. Express 16, 14661-14667 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-19-14661


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