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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 21 — Oct. 11, 2010
  • pp: 22593–22598

Hydrofluoric acid flow etching of low-loss subwavelength-diameter biconical fiber tapers

Eric J. Zhang, Wesley D. Sacher, and Joyce K. S. Poon  »View Author Affiliations


Optics Express, Vol. 18, Issue 21, pp. 22593-22598 (2010)
http://dx.doi.org/10.1364/OE.18.022593


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Abstract

An etch method based on surface tension driven flows of hydrofluoric acid microdroplets for the fabrication of low-loss, subwavelength-diameter biconical fiber tapers is presented. Tapers with losses less than 0.1 dB/mm are demonstrated, corresponding to an order of magnitude increase in the optical transmission over previous acid-etch techniques. The etch method produces adiabatic taper transitions with minimal surface corrugations. A biconical fiber taper fabricated using this method is used to demonstrate an erbium doped silica microsphere laser.

© 2010 OSA

OCIS Codes
(220.4610) Optical design and fabrication : Optical fabrication
(220.4241) Optical design and fabrication : Nanostructure fabrication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 5, 2010
Revised Manuscript: October 1, 2010
Manuscript Accepted: October 2, 2010
Published: October 8, 2010

Citation
Eric J. Zhang, Wesley D. Sacher, and Joyce K. S. Poon, "Hydrofluoric acid flow etching of low-loss subwavelength-diameter biconical fiber tapers," Opt. Express 18, 22593-22598 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-21-22593


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