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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 11 — Jun. 1, 2006
  • pp: 1612–1614

Tuning quadratic nonlinear photonic crystal fibers for zero group-velocity mismatch

Morten Bache, Hanne Nielsen, Jesper Lægsgaard, and Ole Bang  »View Author Affiliations

Optics Letters, Vol. 31, Issue 11, pp. 1612-1614 (2006)

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We consider an index-guiding silica photonic crystal fiber with a triangular hole pattern and a periodically poled quadratic nonlinearity. By tuning the pitch and the relative hole size, second-harmonic generation with zero group-velocity mismatch is found for any fundamental wavelength above 780 nm . The nonlinear strength is optimized when the fundamental has maximum confinement in the core. The conversion bandwidth allows for femtosecond-pulse conversion, and 4 % 180 % W 1 cm 2 relative efficiencies were found.

© 2006 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(060.2400) Fiber optics and optical communications : Fiber properties
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 29, 2005
Revised Manuscript: March 16, 2006
Manuscript Accepted: March 27, 2006

Morten Bache, Hanne Nielsen, Jesper Lægsgaard, and Ole Bang, "Tuning quadratic nonlinear photonic crystal fibers for zero group-velocity mismatch," Opt. Lett. 31, 1612-1614 (2006)

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