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推导了磁光非线性光纤萨尼亚克结构的传输矩阵,可用于分析光纤的双折射、磁光效应和非线性相移,偏振控制器状态以及整个光纤环总损耗对萨尼亚克透射率的影响。实验研究了萨尼亚克结构磁光调制和非线性光控光开关功能。在0.0177T磁场作用下,磁光调制度可达17.05dB,理论分析与实验数据吻合。当时钟抽运控制信号的峰值功率为28.2dBm时,光控光开关消光比可达25.8dB,进一步施加磁场可使开关消光比提升0.7dB。光控光萨尼亚克结构的磁场响应在一定程度上可以借助偏振控制状态进行等效分析。
The transmission matrix of the nonlinear optical fiber Sagnac structure is deduced, which can be used to analyze the birefringence, magneto-optical effect and nonlinear phase shift of the fiber, the state of the polarization controller and the total loss of the fiber loop. Impact. Experimental study of the Sagnac structure of magneto-optical modulation and non-linear optical control optical switch function. Under the action of 0.0177T magnetic field, the degree of magneto-optical modulation can reach 17.05dB, and the theoretical analysis agrees well with the experimental data. When the clock pumping control signal peak power of 28.2dBm, light control optical switch extinction ratio up to 25.8dB, the further application of the magnetic field can switch extinction ratio increased by 0.7dB. The magnetic field response of light-controlled Sagnac structures can be analyzed to some extent by means of polarization control.