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

被引：3
|
作者：
Murai, Toshiya [1 ]
Shoji, Yuya [1 ,2 ]
Nishiyama, Nobuhiko [1 ,2 ]
Mizumoto, Tetsuya [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528552, Japan
[2] Tokyo Inst Technol, Lab Future Interdisciplinary Res Sci & Technol FI, Tokyo 1528552, Japan
来源：
IEICE TRANSACTIONS ON ELECTRONICS | 2020年 / E103C卷 / 11期
关键词：
photonic integrated circuits; magneto-optical; material; microring resonator; optical switch;
D O I：
10.1587/transele.2019OCP0003
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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-ongarnet 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.
引用
收藏
页码：645 / 652
页数：8
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