Functional flexible photonics-assisted frequency measurement based on combination of stimulated Brillouin scattering and a Mach – Zehnder interferometer

IF 0.9 4区 工程技术 Q3 Engineering Quantum Electronics Pub Date : 2021-12-01 DOI:10.1070/QEL17660
Lanfeng Huang, Yongjun Li, Shanghong Zhao, Tao Lin, Xuan Li, Guodong Wang, Zihang Zhu
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引用次数: 1

Abstract

A functional flexible photonics-assisted frequency measurement (PFM) is proposed. Owing to polarisation multiplexing, the electro-optic (O/E) conversion can be performed in a single optical path, which endows the system high stability and concise configuration. Moreover, using a specially designed functional coarse/accurate frequency measurement (C/AFM) module, a large covering range, moderate accuracy, and fast response frequency measurement results can be ensured in a radar warning receiver (RWR), whereas high accurate results can be used in an electronic countermeasures receiver (ECMR). The simulation results show that a strict monotonous amplitude comparison function (ACF) can be constructed based on the structure of a Mach – Zehnder interferometer (MZI) to map the signal frequency, with a measurement error of less than 0.2 GHz in the range of 1 – 31 GHz. This coarse measurement results can be used to perform radar warning. Based on this result, a highly accurate frequency measurement result is achieved through stimulated Brillouin scattering (SBS). The results reveal that the accuracy is improved to better than 20 MHz. Noteworthy, the C/AFM module consists of purely passive devices, which makes this system meet the potential of integration.
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基于受激布里渊散射和马赫-曾德尔干涉仪组合的功能柔性光子辅助频率测量
提出了一种功能柔性光子辅助频率测量系统(PFM)。由于采用偏振复用技术,光电转换可以在单光路内完成,从而使系统具有高稳定性和简洁的结构。此外,采用专门设计的功能性粗/精确频率测量(C/AFM)模块,雷达告警接收机(RWR)可以获得大覆盖范围、中等精度和快速响应频率测量结果,而电子对抗接收机(ECMR)则可以获得高精度结果。仿真结果表明,基于马赫-曾德尔干涉仪(MZI)的结构,可以构造严格单调幅度比较函数(ACF)来映射信号频率,在1 ~ 31 GHz范围内测量误差小于0.2 GHz。这种粗略的测量结果可用于雷达预警。在此基础上,利用受激布里渊散射(SBS)获得了高精度的频率测量结果。结果表明,改进后的精度优于20 MHz。值得注意的是,C/AFM模块由纯无源器件组成,这使得该系统满足了集成的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Quantum Electronics
Quantum Electronics 工程技术-工程:电子与电气
CiteScore
3.00
自引率
11.10%
发文量
95
审稿时长
3-6 weeks
期刊介绍: Quantum Electronics covers the following principal headings Letters Lasers Active Media Interaction of Laser Radiation with Matter Laser Plasma Nonlinear Optical Phenomena Nanotechnologies Quantum Electronic Devices Optical Processing of Information Fiber and Integrated Optics Laser Applications in Technology and Metrology, Biology and Medicine.
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