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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 13 — Jun. 20, 2011
  • pp: 12440–12455

Compact highly-nonlinear AlGaAs waveguides for efficient wavelength conversion

Ksenia Dolgaleva, Wing Chau Ng, Li Qian, and J. Stewart Aitchison  »View Author Affiliations

Optics Express, Vol. 19, Issue 13, pp. 12440-12455 (2011)

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We report on the efficient nonlinear optical interactions in AlGaAs strip-loaded waveguides with a wafer composition specifically designed to increase the nonlinear coefficient. We demonstrate a broad-band self-phase modulation with a nonlinear phase shift up to 6π, and four-wave mixing with a 20-nm tuning range and signal-to-idler conversion efficiency up to 10 dB. Our samples are several times shorter than similar devices used for wavelength conversion by XPM and FWM in previous reports, but the efficiency of the observed effects is similar. Our experimental studies demonstrate the high potential of AlGaAs for all-optical networks.

© 2011 OSA

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(230.7370) Optical devices : Waveguides
(130.7405) Integrated optics : Wavelength conversion devices

ToC Category:
Integrated Optics

Original Manuscript: February 18, 2011
Revised Manuscript: June 1, 2011
Manuscript Accepted: June 1, 2011
Published: June 13, 2011

Ksenia Dolgaleva, Wing Chau Ng, Li Qian, and J. Stewart Aitchison, "Compact highly-nonlinear AlGaAs waveguides for efficient wavelength conversion," Opt. Express 19, 12440-12455 (2011)

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