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Resonant modal conversion in a two-mode waveguide

机译:双模波导中的谐振模态转换

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摘要

We characterize a system consisting of a two-mode waveguide coupled to a single-mode microring resonator possibly presenting a nonlinear response of Kerr type. By using the scattering parameter formalism extended to the multimode domain, we show that in the linear regime and for an ideally transparent medium, each resonance of the system can be exploited to perform complete even-to-odd (respectively, odd-to-even) modal conversion. Moreover, when the Kerr nonlinearity is effective, the microring enables a power-dependent modal switching mediated by phase bistability. Thanks to its mode-processing capabilities, this configuration is suitable to find application as a functional building-block in mode-division multiplexing (MDM) photonic integrated circuits.
机译:我们表征了一个由耦合到单模微环谐振器的双模波导组成的系统,该谐振器可能呈现Kerr型非线性响应。通过使用扩展到多模域的散射参数形式主义,我们表明,在线性区域和理想透明介质中,可以利用系统的每个共振来执行完整的奇偶(分别为奇偶)。 )模态转换。此外,当Kerr非线性有效时,微环可实现由相位双稳态介导的功率相关模式切换。由于其模式处理功能,该配置适合在模分多路复用(MDM)光子集成电路中作为功能构建块找到应用。

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