基于相干接收机的超高分辨率相干光谱分析

IF 0.9 4区物理与天体物理 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

激光与光电子学进展 Pub Date : 2023-01-01 DOI:10.3788/lop221189

梁进荣 Liang Jinrong, 刘嫱 Liu Qiang, 李尚远 Li Shangyuan, 耿敏明 Geng Minming, 张振荣 Zhang Zhenrong

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引用次数: 0

摘要

提出了一种基于相干接收机的相干光谱分析方案。采用相干接收机将待测信号与本振光进行同相和正交（IQ）混频和平衡探测，依据光外差原理计算出待测信号的功率，根据所计算出的功率与相应的本振频率之间的映射关系对待测信号的光谱进行重构。实验结果表明，当本振的扫描速率在80~200 nm/s范围时，分辨率优于12.5 MHz。所提出的光谱分析方案具备超高分辨率，可用于快速提取超密集波分复用系统精细的光谱结构。

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基于相干接收机的超高分辨率相干光谱分析

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来源期刊

激光与光电子学进展 Multiple-

CiteScore

1.60

自引率

50.00%

发文量

18006

期刊介绍： Laser & Optoelectronics Progress, the first laser and optoelectronics journal published in China. The main columns include general, lasers and laser optics, fiber optics and optical communications, optical design and fabrication, materials, image processing, imaging systems, optical devices, remote sensing and sensors, atmospheric optics and oceanic optics, diffraction and gratings, atomic and molecular physics, detectors, thin films, ultrafast optics, etc. The journal is included in ESCI, INSPEC, Scopus, CSCD, Chinese Core Journals, Chinese Science and Technology Core Journals, and T2 level of the Classified Catalogue of High Quality Science and Technology Journals in Optical Engineering and Optical Fields, and other databases.