通过光诱导相变实现基于 VO2/Si 混合波导的可调谐光缓冲器

IF 1.1 4区工程技术 Q4 OPTICS

Optical Engineering Pub Date : 2023-11-01 DOI:10.1117/1.OE.62.11.117102

Zhen Yuan, Yi Li, Wenyan Dai, Ke Lin, Weiye He, Haoting Zhang, Chang Xue, Junyi Yan, Jincheng Mei, Jiaqing Zhuang, Xingping Wang

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引用次数: 0

摘要

摘要。设计了一种由侧耦合赛道微波谐振器（RMRR）序列和相变材料二氧化钒（VO2）薄膜组成的可调谐光缓冲器，并模拟了其传递和下降功能。通过 VO2 的光学诱导相变，可动态控制耦合 RMRR 的数量，以实现所需的延迟时间和超快响应。仿真结果表明，具有 12 个 RMRR 的缓冲器可实现高达 309.6 ps 的可调延迟、306 GHz 的工作带宽和 0.62 ps 的超快响应。延迟损耗和功耗分别为 0.012 dB / ps 和 0.194 mW / ps。这些发现为在全光网络中实现可调延迟提供了一种新方法。

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Tunable optical buffer based on VO2/Si hybrid waveguide by optically induced phase transition

Abstract. A tunable optical buffer composed of a side-coupled racetrack microring resonator (RMRR) sequence and phase change material vanadium dioxide (VO2) films has been designed and simulated with pass-through and drop functions. By optically induced phase transition of VO2, the number of coupled RMRRs is dynamically controlled to realize the required delay time and the ultra-fast response. Simulation results show that the buffer with 12 RMRRs achieves a tunable delay of up to 309.6 ps, a working bandwidth of 306 GHz, and a super-fast response of 0.62 ps. The delay loss and power consumption are 0.012 dB / ps and 0.194 mW / ps, respectively. These findings suggest a new approach to realizing tunable delay in all-optical networks.

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来源期刊

Optical Engineering 工程技术-光学

CiteScore

2.70

自引率

7.70%

发文量

393

审稿时长

2.6 months

期刊介绍： Optical Engineering publishes peer-reviewed papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.