基于光子射频振荡器的高灵敏度光学探测方法

doi:10.11959/j.issn.1000-436x.2018288

通信学报 ›› 2018, Vol. 39 ›› Issue (12): 69-74.doi: 10.11959/j.issn.1000-436x.2018288

基于光子射频振荡器的高灵敏度光学探测方法

牟宁,高万荣,吕望晗

南京理工大学电光学院，江苏南京 210094

修回日期:2018-11-30 出版日期:2018-12-01 发布日期:2019-01-21
作者简介:牟宁（1981?），女，江苏南京人，南京理工大学博士生，主要研究方向为全场相干光学层析、医学成像系统、生物医学图像处理。|高万荣（1961?），男，陕西铜川人，博士，南京理工大学教授、博士生导师，主要研究方向为生物医学光学。|吕望晗（1991?），男，江苏宜兴人，南京理工大学博士生，主要研究方向为阵列信号处理、压缩感知理论。
基金资助:
国家自然科学基金资助项目(No.61275198);国家自然科学基金资助项目(No.60978069)

High sensitivity optical detection method based on photon RF oscillator

Ning MU,Wanrong GAO,Wanghan LYU

School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, China

Revised:2018-11-30 Online:2018-12-01 Published:2019-01-21
Supported by:
The National Natural Science Foundation of China(No.61275198);The National Natural Science Foundation of China(No.60978069)

摘要/Abstract

摘要：

针对复杂背景下高灵敏度光学探测问题，提出了一种基于光子射频振荡器的高灵敏度光学探测方法。首先通过光子射频振荡机理构建了系统，然后对系统进行数学建模，并进行了详细的推导分析。同时，根据光子射频振荡器噪声功率谱密度及系统设计，分析了系统产生的超低相位噪声功率谱特性，给出了设计系统仿真结果。仿真实验结果表明，所提出的方法与直接探测方法相比，光学探测灵敏度具有数量级的提高，同时能有效抑制背景色散光谱对目标信息检测的影响，系统所产生的超低相位噪声特性，将有力提升光学探测器对目标微多普勒信号的检测能力。

关键词: 射频光子学, 超低相位噪声, 振荡器, 超外差探测

Abstract:

Based on the research of optical coherent detection in complex background, a new type of laser superheterodyne detection method was proposed, which based on a photon radio frequency technology. Firstly a system by photon RF oscillation mechanism and mathematical model was constructed. The principle of constructing the system was deduced and analyzed. The correctness of the method was verified by theoretical simulation and experiment. Compared with the traditional technology, the proposed method can improve the sensitivity of optical detection by several orders of magnitude, and can effectively suppress the influence of background dispersion spectrum on target information detection.

Key words: radio frequency photonics, ultra low phase noise, oscillator, laser detection

中图分类号:

TN247

牟宁,高万荣,吕望晗. 基于光子射频振荡器的高灵敏度光学探测方法[J]. 通信学报, 2018, 39(12): 69-74.

Ning MU,Wanrong GAO,Wanghan LYU. High sensitivity optical detection method based on photon RF oscillator[J]. Journal on Communications, 2018, 39(12): 69-74.

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基于光子射频振荡器的高灵敏度光学探测方法

High sensitivity optical detection method based on photon RF oscillator

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