This dissertation is devoted to effects of relaxation times on wavelength conversion efficiency based on four-wave mixing(FWM) in semiconductor optical amplifier(SOA).
通过数值求解耦合波方程，研究了半导体光放大器弛豫时间对四波混频波长变换效率的影响。
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Based upon the laser rate equations including relaxation between energy levels, the optimum model of a multipass amplifier is constructed.