Abstract
This paper addresses, theoretically and experimentally, the impact of the cross-polarization modulation (XPolM) phenomenon on the conversion efficiency of a four wave mixing (FWM) process taking place in a bulk-SOA with input signals linearly co-polarized at 0°, 45°, 90°, and −45°. Based on the experimental determination of the output polarization states of the pump and probe signals, a technique is proposed to incorporate the XPolM effect in classic models describing the FWM. 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.
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