用于光子信号处理器的采用 AMZI 辅助 MRR 结构的现场可编程环形阵列

APL Photonics Pub Date : 2024-06-01 DOI:10.1063/5.0209603
Yaohui Sun, Dongyu Wang, Lihan Wang, Yue Zhou, Shilong Pan, Guohua Hu, Bin Yun, Yiping Cui
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引用次数: 0

摘要

现场可编程光子门阵列是一种集成光学芯片,结合了电气控制和光学处理功能,可通过软件编程实现光路的实时重新配置。目前大多数光学处理器都依赖于基于马赫-泽恩德干涉仪(MZI)的架构,而基于微盘谐振器(MDR)的架构则具有独特的特性,包括高集成度和波长相关性,为可编程光子芯片架构提供了新思路。本文提出了一种可扩展的非对称 MZI 辅助现场可编程微环阵列(AMZI-FPRA)处理器,其单元面积仅为 85 × 42 µm2。与传统的 MDR 相比,这种设计不仅具有高波长选择性,还具有双可调波长和耦合系数。通过使用二维方形网格方法将该单元扩展为 2 × 2 AMZI-FPRA,实验证明可以用紧凑的占地面积实现不同的光路拓扑,包括带通带阻滤波、光时差、微波延迟、波分复用/解复用和光分插复用。扩大阵列规模将实现更多功能和高性能的微波光子信号处理任务。由于其广泛的可重构性、片上集成、互补金属氧化物半导体兼容性和低功耗,该方案将成为目前可重构可编程光子信号处理器的理想候选方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Field-programmable ring array employing AMZI-assisted-MRR structure for photonic signal processor
A field-programmable photonic gate array is an integrated optical chip that combines electrical control and optical processing, enabling real-time reconfiguration of the optical path through software programming. While most current optical processors rely on Mach–Zehnder interferometer (MZI)-based architectures, those based on micro-disk resonators (MDRs) offer unique characteristics, including high integration and wavelength correlation, providing new ideas for programmable photonic chip architectures. In this paper, a scalable asymmetric MZI-assisted field-programmable micro-ring array (AMZI-FPRA) processor is proposed with a cell area of only 85 × 42 µm2. This design not only has high wavelength selectivity but also possesses dual adjustable wavelengths and coupling coefficients compared with traditional MDRs. By extending the cell into a 2 × 2 AMZI-FPRA using a two-dimensional square mesh approach, it is experimentally demonstrated that different optical path topologies can be realized with a compact footprint, including bandpass bandstop filtering, optical temporal differentiation, microwave delay, wavelength-division multiplexing/demultiplexing, and optical add-drop multiplexing. Increasing the array scale will enable more versatile and high-performance microwave photonic signal processing tasks. The scheme will be a promising candidate at the present time for reconfigurable programmable photonic signal processors due to its wide reconfigurability, on-chip integration, complementary metal–oxide–semiconductor-compatibility, and low power consumption.
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