基于广义耦合谐振诱导透明的完全可编程慢光
Fully programmable slow light based on a spinor representation of generalized coupled-resonator-induced transparency
AI总结：
本文提出基于双通道规范场的广义CRIT，实现完全可编程的慢光，用于光互连中的可调延迟线和线性频率转换。
摘要：
电磁诱导透明性（EIT）源于相干驱动原子系统中的量子干涉，已启发了多种光子类比，如基于谐振器量子态建模的耦合谐振诱导透明（CRIT）。尽管CRIT是光子集成电路中慢光的构建块，但拓扑光子学的最新进展促使进一步利用规范场自由度推广EIT和CRIT。本文提出了一种基于双通道规范场的广义CRIT，通过旋量表示实现完全可编程的CRIT，具有动态频谱工程能力。通过引入亮模式和暗模式共振的旋量表示，我们扩展了传统EIT框架，通过通用的幺正操作统一描述设计参数。实现一个耦合谐振器构建块，通过双通道规范场访问整个设计空间，我们展示了在一维CRIT晶格中可编程的慢光带。这些结果解决了光互连中的迫切需求，如可调延迟线、可重构同步和线性频率转换。
英文摘要：
Electromagnetically induced transparency (EIT), arising from quantum interference in coherently driven atomic systems, has inspired a variety of photonic analogues, such as coupled-resonator-induced transparency (CRIT) built on the quantum-state modelling using resonators. Although CRIT serves as a building block for slow light in photonic integrated circuits, recent advances in topological photonics motivate a further generalization of both EIT and CRIT using gauge-field degrees of freedom. Here, we propose generalized CRIT via a spinor representation with dual-channel gauge fields, enabling fully programmable CRIT featuring dynamical spectral engineering. We generalize the traditional EIT framework by introducing a spinor representation of bright- and dark-mode resonances, yielding a unified description of design parameters through universal unitary operations. Implementing a coupled-resonator building block that accesses the entire design space through dual-channel gauge fields, we demonstrate a programmable slow-light band in a one-dimensional CRIT lattice. These results address urgent needs in optical interconnects, such as tunable delay lines, reconfigurable synchronization, and linear frequency conversion.
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