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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4457–4460

Widely tunable mid-infrared generation via frequency conversion in semiconductor waveguides

Dylan F. Logan, M. Giguere, A. Villeneuve, and Amr S. Helmy  »View Author Affiliations

Optics Letters, Vol. 38, Issue 21, pp. 4457-4460 (2013)

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Phase matching in a multilayer AlGaAs waveguide is used to generate mid-IR (7.5–8.5 μm) light through difference frequency generation (DFG) between a 1550 nm pump and 1950 nm signal. This represents the longest wavelength generated through DFG in a 2D waveguide mode in a semiconductor waveguide. It was produced with an efficiency of 1.2×104%/W in a 1 mm long sample. The process is shown to be tunable across >2μm through appropriate tuning of the input pump and signal wavelengths and/or waveguide geometry, and is therefore a viable platform for monolithic, tunable, mid-IR sources.

© 2013 Optical Society of America

OCIS Codes
(230.4320) Optical devices : Nonlinear optical devices
(190.4975) Nonlinear optics : Parametric processes
(130.7405) Integrated optics : Wavelength conversion devices

ToC Category:
Integrated Optics

Original Manuscript: July 24, 2013
Revised Manuscript: September 22, 2013
Manuscript Accepted: September 28, 2013
Published: October 31, 2013

Dylan F. Logan, M. Giguere, A. Villeneuve, and Amr S. Helmy, "Widely tunable mid-infrared generation via frequency conversion in semiconductor waveguides," Opt. Lett. 38, 4457-4460 (2013)

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