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理论研究并模拟仿真了在半导体光放大器(SOA)中的基于平行双抽运结构的偏振复用十六进制正交幅度调制-正交频分复用(16QAM-OFDM)信号的全光波长变换(AOWC)。理论推导及仿真结果表明偏振复用16QAMOFDM信号可以经过全光波长变换实现偏振不敏感信号无串扰直接接收,并对影响系统转换效率的因素,如频率间隔、SOA注入电流、信号光功率及信号光入射角等进行了分析,同时分析结果验证了理论推导的正确性。
Theoretical study and simulation of polarization-parallel multiplexing based on parallel dual-pumping structure in a semiconductor optical amplifier (SOA) The all-optical wavelength of a 16-ary quadrature amplitude modulation-orthogonal frequency division multiplexing (16QAM-OFDM) Transform (AOWC). Theoretical derivation and simulation results show that polarization-multiplexed 16QAMOFDM signals can be directly received without crosstalk by polarization-insensitive signals after all-optical wavelength conversion, and factors affecting system conversion efficiency such as frequency spacing, SOA injection current, signal power and signal light Angle of incidence and so on are analyzed, meanwhile the analysis results verify the correctness of theoretical derivation.