Magneto-Optical Microring Switch Based on Amorphous Silicon-on-Garnet Platform for Photonic Integrated Circuits

DOI Web Site 被引用文献1件 参考文献15件
  • MURAI Toshiya
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology
  • SHOJI Yuya
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Tokyo Institute of Technology
  • NISHIYAMA Nobuhiko
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Tokyo Institute of Technology
  • MIZUMOTO Tetsuya
    Department of Electrical and Electronic Engineering, Tokyo Institute of Technology

抄録

<p>Magneto-optical (MO) switches operate with a dynamically applied magnetic field. The MO devices presented in this paper consist of microring resonators (MRRs) fabricated on amorphous silicon-on-garnet platform. Two types of MO switches with MRRs were developed. In the first type, the switching state is controlled by an external magnetic field component included in the device. By combination of MO and thermo-optic effects, wavelength tunable operation is possible without any additional heater, and broadband switching is achievable. The other type of switch is a self-holding optical switch integrated with an FeCoB thin-film magnet. The switching state is driven by the remanence of the integrated thin-film magnet, and the state is maintained without any power supply.</p>

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