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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 25 — Dec. 8, 2008
  • pp: 20656–20665

SOA gain recovery wavelength dependence: simulation and measurement using a single-color pump-probe technique

W. Mathlouthi, F. Vacondio, P. Lemieux, and Leslie A. Rusch  »View Author Affiliations


Optics Express, Vol. 16, Issue 25, pp. 20656-20665 (2008)
http://dx.doi.org/10.1364/OE.16.020656


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Abstract

Measurements to date of the wavelength dependency of gain recovery time in semiconductor optical amplifiers (SOAs) have mostly used pump-probe techniques with a pump and probe operated on distinct wavelengths. Choice of pump wavelength, and its relative proximity to the probe wavelength, could influence measurements and impede unambiguous observation of wavelength dependence on recovery dynamics. We use a single-color pump-probe measurement technique to directly access the wavelength dependence of the gain recovery time in bulk InGaAsP SOAs. We used ultrashort pulses from a single mode locked laser to measure unambiguously the spectral dependency and temporal behavior of SOAs. Simulation results using a model that takes into account intra-band and inter-band contributions to SOA saturation, as well as experimental results for the SOA tested, show recovery rate dependency similar to gain spectrum.

© 2008 Optical Society of America

OCIS Codes
(060.2360) Fiber optics and optical communications : Fiber optics links and subsystems
(060.4510) Fiber optics and optical communications : Optical communications
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: August 4, 2008
Revised Manuscript: October 15, 2008
Manuscript Accepted: October 30, 2008
Published: December 1, 2008

Citation
W. Mathlouthi, F. Vacondio, P. Lemieux, and Leslie A. Rusch, "SOA gain recovery wavelength dependence: simulation and measurement using a single-color pump-probe technique," Opt. Express 16, 20656-20665 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-25-20656


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