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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2334–2336

Difference-frequency generation in AlGaAs Bragg reflection waveguides

Jun-Bo Han, Payam Abolghasem, Dongpeng Kang, Bhavin J. Bijlani, and Amr S. Helmy  »View Author Affiliations


Optics Letters, Vol. 35, Issue 14, pp. 2334-2336 (2010)
http://dx.doi.org/10.1364/OL.35.002334


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Abstract

We demonstrate Type II difference-frequency generation (DFG) around 1550 nm in AlGaAs Bragg reflection waveguides using a pump around 778 nm and a signal within the C-band range. Difference-frequency power of 0.95 nW was obtained using a pump power of 62.9 mW and a signal power of 2.9 mW . Nonlinear conversion efficiency was estimated to be 2.5 × 10 2 % / W 1 cm 2 in a 1.5-mm-long sample. Using numerical simulations, the phase-matching bandwidth was predicted to be 100 nm , while the measured DFG showed no sign of bandwidth limitation across a wavelength span of 40 nm , which was limited by instrumentation.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(230.1480) Optical devices : Bragg reflectors

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 4, 2010
Revised Manuscript: June 11, 2010
Manuscript Accepted: June 12, 2010
Published: July 2, 2010

Citation
Jun-Bo Han, Payam Abolghasem, Dongpeng Kang, Bhavin J. Bijlani, and Amr S. Helmy, "Difference-frequency generation in AlGaAs Bragg reflection waveguides," Opt. Lett. 35, 2334-2336 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2334

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