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Highly reconfigurable silicon integrated microwave photonic filter towards next-generation wireless communication
Photonics Research ( IF 7.6 ) Pub Date : 2023-04-10 , DOI: 10.1364/prj.476466
Zihan Tao, Yuansheng Tao, Ming Jin, Jun Qin, Ruixuan Chen, Bitao Shen, Yichen Wu, Haowen Shu, Shaohua Yu, and Xingjun Wang

Integrated microwave photonic filters (IMPFs) are capable of offering unparalleled performances in terms of superb spectral fineness, broadband, and more importantly, the reconfigurability, which encounter the trend of the next-generation wireless communication. However, to achieve high reconfigurability, previous works should adopt complicated system structures and modulation formats, which put great pressure on power consumption and controlment, and, therefore, impede the massive deployment of IMPF. Here, we propose a streamlined architecture for a wideband and highly reconfigurable IMPF on the silicon photonics platform. For various practical filter responses, to avoid complex auxiliary devices and bias drift problems, a phase-modulated flexible sideband cancellation method is employed based on the intensity-consistent single-stage-adjustable cascaded-microring (ICSSA-CM). The IMPF exhibits an operation band extending to millimeter-wave (30 GHz), and other extraordinary performances including high spectral resolution of 220 MHz and large rejection ratio of 60 dB are obtained. Moreover, Gb/s-level RF wireless communications are demonstrated for the first time towards real-world scenarios. The proposed IMPF provides broadband flexible spectrum control capabilities, showing great potential in the next-generation wireless communication.

中文翻译:

面向下一代无线通信的高度可重构硅集成微波光子滤波器

集成微波光子滤波器(IMPF)能够在卓越的光谱精细度、宽带,更重要的是可重构性方面提供无与伦比的性能,迎接下一代无线通信的趋势。然而,为了实现高可重构性,以往的工作需要采用复杂的系统结构和调制格式,这给功耗和控制带来了巨大压力,因此阻碍了 IMPF 的大规模部署。在这里,我们为硅光子平台上的宽带和高度可重构 IMPF 提出了一种流线型架构。对于各种实用的滤波器响应,避免复杂的辅助设备和偏置漂移问题,基于强度一致的单级可调级联微环(ICSSA-CM),采用相位调制的灵活边带消除方法。IMPF 的工作频段扩展到毫米波 (30 GHz ),以及其他非凡的性能,包括 220 MHz 的高光谱分辨率和 60 dB 的大抑制比。此外,Gb/s 级 RF 无线通信首次在真实场景中得到展示。拟议的 IMPF 提供了宽带灵活的频谱控制能力,在下一代无线通信中显示出巨大的潜力。
更新日期:2023-04-10
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