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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 12 — Apr. 20, 2013
  • pp: 2828–2833

Enhanced four-wave mixing in quantum cascade semiconductor optical amplifier

Baktash Hekmat, Vahid Ahmadi, and Elham Darabi  »View Author Affiliations


Applied Optics, Vol. 52, Issue 12, pp. 2828-2833 (2013)
http://dx.doi.org/10.1364/AO.52.002828


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Abstract

We designed a quantum cascade semiconductor optical amplifier (QCSOA) structure for enhanced four-wave mixing (FWM) of short optical pulses in midinfrared. To analyze FWM characteristics in a QCSOA, the evolution in the time and spectral domains of two input optical pulses with different frequencies during propagation is calculated using the finite-difference beam propagation method. Calculated third-order susceptibility responsible for FWM resonance nonlinearity of the modified structure is enhanced by two orders of magnitude. Simulation results reveal that quantum cascade structure parameters and injected pump and probe powers are extremely important in determining the amplified FWM optical pulse characteristics in both the time and frequency domains.

© 2013 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(250.4480) Optoelectronics : Optical amplifiers

ToC Category:
Optoelectronics

History
Original Manuscript: December 6, 2012
Revised Manuscript: February 27, 2013
Manuscript Accepted: March 15, 2013
Published: April 17, 2013

Citation
Baktash Hekmat, Vahid Ahmadi, and Elham Darabi, "Enhanced four-wave mixing in quantum cascade semiconductor optical amplifier," Appl. Opt. 52, 2828-2833 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-12-2828

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