Abstract
We demonstrate an all-optical wavelength conversion (AOWC) scheme based on four wave mixing (FWM) effect in dual-polarization semiconductor optical amplifiers (SOAs) for 56Gbps polarization division multiplexing 16-ary quadrature amplitude modulation (PDM-16QAM) signal using parallel dual-pump. The orthogonal dual-polarization SOAs are utilized to improve the optical link capacity in terms of spectrum utilization and bandwidth efficiency. The polarization insensitivity wave signals are obtained at arbitrary polarization angle θ. The wavelength conversion efficiency (CE) is determined by optical signal-to-noise ratio (OSNR), pump spacing, injection current of SOA and pump power. The results show that the bit error rate (BER) of the converted signal 1’ and signal 2’ is lower than the converted signal 1 and signal 2. Our results can be used in long distance fiber optical communications.
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