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2×2 polymeric electro-optic MZI switch using multimode interference couplers

机译：使用多模干涉耦合器的2×2聚合物电光MZI开关

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摘要

We present the design of a 2×2 photonic switch operating at 1.55-μm wavelength using electro-optic (EO) polymer waveguides. A Mach-Zehnder interferometer (MZI) is used to implement the proposed switch in which two identical 2×2 multimode interference (MMI) couplers are connected by two identical parallel single mode waveguides (two MZI arms). These two single-mode waveguides with electrodes allow modulating the phase difference between the two MZI arms based on the EO effect. In the proposed switch, the EO polymer, IPC-E/polysulfone, is used for the core layer of optical waveguides. UV15 and NOA61 are employed for the lower and upper cladding layers, respectively. The single-mode waveguide structure and 2×2 MMI coupler have been designed and analyzed for the EO switch. Device performance has been simulated using the beam propagation method. It is found that the switch performance is most sensitive to the MMI width and less sensitive to the MMI length. Optimized structure has been obtained for the 2×2 polymeric EO switch, which has a crosstalk level better than -25 dB and insertion loss lower than -1.8 dB. This performance makes the switch a potential candidate for practical use in photonic systems.
机译：我们介绍了使用电光（EO）聚合物波导在1.55μm波长下工作的2×2光子开关的设计。使用Mach-Zehnder干涉仪（MZI）来实现所建议的开关，其中两个相同的2×2多模干扰（MMI）耦合器通过两个相同的并行单模波导（两个MZI支路）连接。这两个带电极的单模波导允许基于EO效应调制两个MZI臂之间的相位差。在建议的交换机中，EO聚合物IPC-E /聚砜被用作光波导的核心层。 UV15和NOA61分别用于下覆层和上覆层。设计并分析了EO开关的单模波导结构和2×2 MMI耦合器。使用光束传播方法模拟了设备性能。发现开关性能对MMI宽度最敏感，而对MMI长度较不敏感。对于2×2聚合物EO开关，已经获得了优化的结构，其串扰水平优于-25 dB，插入损耗低于-1.8 dB。这种性能使该开关成为光子系统实际应用的潜在候选者。

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  • 来源
    《Optoelectronic devices and integration》|2009年|P.75090X.1-75090X.6|共6页
  • 会议地点 Shanghai(CN);Shanghai(CN)
  • 作者

    H. P. Li; J. K. Liao; X. G Tang; R. G. Lu; Y. Z. Liu;

  • 作者单位

    School of Optoelectronic Information University of Electronic Science and Technology of China, Chengdu 610054, China;

    School of Optoelectronic Information University of Electronic Science and Technology of China, Chengdu 610054, China;

    School of Optoelectronic Information University of Electronic Science and Technology of China, Chengdu 610054, China;

    School of Optoelectronic Information University of Electronic Science and Technology of China, Chengdu 610054, China;

    School of Optoelectronic Information University of Electronic Science and Technology of China, Chengdu 610054, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 光学仪器;
  • 关键词

    photonic switch; electro-optic polymer; multimode interference; integrated optics;

    机译：光子开关；电光聚合物多模干扰；集成光学;

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