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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 11 — Jun. 1, 2014
  • pp: 3161–3164

Efficient continuous-wave four-wave mixing in bandgap-engineered AlGaAs waveguides

Jeremiah J. Wathen, Paveen Apiratikul, Christopher J. K. Richardson, Gyorgy A. Porkolab, Gary M. Carter, and Thomas E. Murphy  »View Author Affiliations

Optics Letters, Vol. 39, Issue 11, pp. 3161-3164 (2014)

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We present a side-by-side comparison of the nonlinear behavior of four passive AlGaAs ridge waveguides where the bandgap energy of the core layers ranges from 1.60 to 1.79 eV. By engineering the bandgap to suppress two-photon absorption, minimizing the linear loss, and minimizing the mode area, we achieve efficient wavelength conversion in the C-band via partially degenerate four-wave mixing with a continuous-wave pump. The observed conversion efficiency [ Idler ( OUT ) / Signal ( IN ) = 6.8 dB ] is among the highest reported in passive semiconductor or glass waveguides.

© 2014 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.4320) Optical devices : Nonlinear optical devices
(230.7370) Optical devices : Waveguides
(230.7405) Optical devices : Wavelength conversion devices

ToC Category:
Optical Devices

Original Manuscript: January 28, 2014
Revised Manuscript: April 24, 2014
Manuscript Accepted: April 24, 2014
Published: May 20, 2014

Jeremiah J. Wathen, Paveen Apiratikul, Christopher J. K. Richardson, Gyorgy A. Porkolab, Gary M. Carter, and Thomas E. Murphy, "Efficient continuous-wave four-wave mixing in bandgap-engineered AlGaAs waveguides," Opt. Lett. 39, 3161-3164 (2014)

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