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信号单向导通器件是集成光学中一种重要的基本元件,而中红外波段在空间遥感,光谱分析等领域都有极其重要的应用.本文提出了一种由两个硅基微环谐振腔构成,基于自相位调制效应的硅基中红外全光二极管,并利用数值模拟的方法进行了分析.结果表明,在输入光强为0.5mW到20mW之间时,其非互易导通率可以大于20dB,且正向透过时损耗小于10dB.此外,本文还讨论了环形谐振腔中的线性吸收率,以及双稳态效应对结果的影响.
The signal unidirectional conduction device is an important basic element in integrated optics, and the mid-infrared waveband has extremely important applications in the fields of space remote sensing, spectrum analysis, etc. In this paper, we propose a two- , A silicon-based mid-infrared all-optical diode based on self-phase modulation effect, and the numerical simulation was used to analyze the results.The results show that the non-reciprocal conduction rate can be greater than the input power of 0.5mW to 20mW 20dB, and loss of less than 10dB in forward transmission.In addition, this paper also discusses the linear absorption in the ring resonator and the effect of bistable effect on the result.