18 November 2008 Degradation by the cross-polarization modulation of the conversion efficiency of a wavelength converter based on FWM in a SOA
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Proceedings Volume 7135, Optoelectronic Materials and Devices III; 713526 (2008); doi: 10.1117/12.803815
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China
Abstract
This communication addresses, theoretically and experimentally, the effect of the cross polarization modulation (XPolM) phenomenon on the performance of a wavelength converter based on a four wave mixing process (FWM) developed in a semiconductor optical amplifier (SOA). The main studied parameter for evaluating the performance of the wavelength converter is the conversion efficiency, whose degradation, provoked by the XPolM, is analyzed when the four wave mixing process is developed with input signals linearly co-polarized at 0, 45, 90, and -45 degrees. The analysis is based on the theoretical and experimental determinations of the polarization mismatch of the pump and probe signals. Finally, it is demonstrated that classic models lacking the inclusion of the XPolM effect can reflect a significant error in the estimation of the conversion efficiency of a wavelength converter based on FWM.
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M. C. Acosta, R. Maldonado, H. Soto, "Degradation by the cross-polarization modulation of the conversion efficiency of a wavelength converter based on FWM in a SOA", Proc. SPIE 7135, Optoelectronic Materials and Devices III, 713526 (18 November 2008); doi: 10.1117/12.803815; https://doi.org/10.1117/12.803815
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KEYWORDS
Polarization

Waveguides

Signal processing

Refractive index

Laser beam diagnostics

Wave propagation

Birefringence

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