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多功能的光子分子开关在多模微复原器中

Zihan Tao¹, Bitao Shen¹, Wencan Li¹

¹State Key Laboratory of Advanced Optical Communications System and Networks, School of Electronics, Peking University, Beijing, 100871, China.

Light, science & applications

|February 19, 2024

概括

我们展示了一种新的芯片上的光子分子,使用多模微环,提供对光学模式的动态控制. 这一突破为6G无线通信等先进应用提供了灵活的光子分子功能.

科学领域:

光子学和量子光学量子光学和量子光学
综合光子学综合光子学
人造的光子分子.

背景情况:

人工光子分子模仿原子物理使用合的微复原器.
现有系统缺乏重新配置性,需要微妙的外部刺激或机械调整.
这些局限性限制了光子分子的潜在应用.

研究的目的:

提出一个多功能芯片上的光子分子在多模微环中.
开发一种灵活的方法来动态控制空间模式及其相互作用.
为了使更广泛的应用程序能够实现可切换的功能.

主要方法:

采用多模微链,用于芯片上的光子分子构造.
实施灵活的调节方法来控制空间模式的存在和相互作用的强度.
展示单模式和多模式状态之间的动态转换.

主要成果:

实现了光子分子的"关闭/启动"功能.
在"开启"状态下,展示了灵活的,多维控制模式分割 (合强度和相差),类似于斯特拉克效应.
在"关闭"状态下展示了低损失的单模转换 (Q_i ~ 1000万),具有超紧的曲尺寸 (FSR ~ 115 GHz).
打破了传统的自由光谱范围 (FSR) - 质量 (Q) 因素的权衡.

结论:

开发了一种灵活和便携式的集成光子分子系统.
启用超宽带和高分辨率毫米波光子操作.
将光子分子的范围从基本物理扩展到实际应用,包括非线性光学信号处理和6G无线通信.

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