Frontiers of Optoelectronics, 2016, 9 (4): 571–577, 网络出版: 2017-03-09  

Low dispersion broadband integrated double-slot microring resonators optical buffer

Low dispersion broadband integrated double-slot microring resonators optical buffer
作者单位
School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China
摘要
Abstract
Microring resonator optical buffer is attractive in high-speed optical network system, but ordinary microring resonator use strip waveguide as its basic light guide medium, which cannot provide small footprint, low dispersion and high delay-bandwidth product (DBP) simultaneously. Double-slot waveguide structure was first proposed to construct racetrack-microring resonators. It was found that cascading multiple microrings can increase the delay-bandwidth and lower the dispersion of the resonators by optimizing the structure parameters. Optical buffer cascaded by 8 microrings with flat bandwidth of 20 GHz provided the delay of 150 ps and the dispersion of ~10– 7 ps/nm over 1530 – 1630 nm, and the footprint of each microring was about 51 μm2. This study can provide design methods and theoretical basis support for practical application.

Chuan WANG, Xiaoying LIU, Minming ZHANG, Peng ZHOU. Low dispersion broadband integrated double-slot microring resonators optical buffer[J]. Frontiers of Optoelectronics, 2016, 9(4): 571–577. Chuan WANG, Xiaoying LIU, Minming ZHANG, Peng ZHOU. Low dispersion broadband integrated double-slot microring resonators optical buffer[J]. Frontiers of Optoelectronics, 2016, 9(4): 571–577.

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