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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1440–1442

Highly efficient four wave mixing in GaInP photonic crystal waveguides

V. Eckhouse, I. Cestier, G. Eisenstein, S. Combrié, P. Colman, A. De Rossi, M. Santagiustina, C. G. Someda, and G. Vadalà  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1440-1442 (2010)
http://dx.doi.org/10.1364/OL.35.001440


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Abstract

We report highly efficient four wave mixing in a GaInP photonic crystal waveguide. Owing to its large bandgap, the ultrafast Kerr nonlinearity of GaInP is not diminished by two photon absorption and related carrier effects for photons in the 1550 nm range. A four-wave-mixing efficiency of 49 dB was demonstrated for cw pump and probe signals in the milliwatt range, while for pulsed pumps with a peak power of 25 mW the conversion efficiency increased to 36 dB . Measured conversion efficiency dependencies on pump probe detuning and on pump power are in excellent agreement with a simple analytical model from which the nonlinear parameter γ is extracted. γ scales approximately with the square of the slow down factor and varies from 800 W 1 m 1 at a pump wavelength λ p = 1532 nm to 2900 W 1 m 1 at λ p = 1550 nm . These values are consistent with those obtained from self phase modulation experiments in similar devices.

© 2010 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.4180) Nonlinear optics : Multiphoton processes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4223) Nonlinear optics : Nonlinear wave mixing
(130.5296) Integrated optics : Photonic crystal waveguides
(250.4390) Optoelectronics : Nonlinear optics, integrated optics

ToC Category:
Nonlinear Optics

History
Original Manuscript: January 7, 2010
Revised Manuscript: March 2, 2010
Manuscript Accepted: March 11, 2010
Published: April 28, 2010

Citation
V. Eckhouse, I. Cestier, G. Eisenstein, S. Combrié, P. Colman, A. De Rossi, M. Santagiustina, C. G. Someda, and G. Vadalà, "Highly efficient four wave mixing in GaInP photonic crystal waveguides," Opt. Lett. 35, 1440-1442 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1440

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