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Polarization-independent wavelength conversion at 2.5 Gb/s by dual-pump four-wave mixing in a strained semiconductor optical amplifier

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5 Author(s)
G. Hunziker ; Dept. of Appl. Phys., California Inst. of Technol., Pasadena, CA, USA ; R. Paiella ; D. F. Geraghty ; K. J. Vahala
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We give a general expression for the polarization dependence of the four-wave mixing (FWM) efficiency in the dual-pump configuration. This expression, along with some general properties of the FWM susceptibility tensor, is used to propose a simple scheme to generate a nearly (1.5-dB variation) polarization independent FWM converted signal. The viability of this scheme is verified in a wavelength conversion experiment at 2.5 Gb/s.

Published in:

IEEE Photonics Technology Letters  (Volume:8 ,  Issue: 12 )