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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 17 — Aug. 22, 2005
  • pp: 6541–6549

Hole inflation and tapering of stock photonic crystal fibres

W. J. Wadsworth, A. Witkowska, S. G. Leon-Saval, and T. A. Birks  »View Author Affiliations

Optics Express, Vol. 13, Issue 17, pp. 6541-6549 (2005)

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We report controlled hole expansion in photonic crystal fibres (PCFs) by heating the fibre while the holes were pressurised. This was done by post-processing an existing fibre, not during fibre fabrication. Small holes in an endlessly single-mode (ESM) PCF were inflated to become large holes. The large-hole PCF was then tapered to produce a “cobweb” PCF with a small highly-nonlinear core, interfaced to the ESM PCF at both ends by gradual transitions. The loss was less than 0.4 dB in the complete structure, which was used to demonstrate supercontinuum generation when pumped with a fs Ti:sapphire laser.

© 2005 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers

ToC Category:
Research Papers

Original Manuscript: July 18, 2005
Revised Manuscript: August 11, 2005
Published: August 22, 2005

W. Wadsworth, A. Witkowska, S. Leon-Saval, and T. Birks, "Hole inflation and tapering of stock photonic crystal fibres," Opt. Express 13, 6541-6549 (2005)

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