量子二部雷达与通信系统中不同测量方案的相关性能比较

Progress in Electromagnetics Research Symposium : [proceedings]. Progress in Electromagnetics Research Symposium Pub Date : 2022-01-01 DOI:10.2528/pier22022506

Rory A. Bowell, Matthew J. Brandsema, R. Narayanan, S. Howell, Jonathan M. Dilger

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引用次数: 2

摘要

二分系统在新兴的量子雷达和量子通信系统中非常流行。本文分析了不同类型量子雷达测量方案的相关系数，例如:(i)立即检测空闲光子事件，用于与信号光子事件的后处理相关;(ii)立即检测空闲电场(cid:12)场，用于与信号电场(cid:12)场的后处理相关;(iii)立即检测空闲正交，用于与信号正交的后处理相关;(iv)光学参量放大器(cid:12)er的传统模拟相关方法。所展示的结果比较了这些不同方法在不同环境情景下的性能。这项工作对于发展需要协方差测量的量子技术背后的基础是重要的，并且将允许更准确地为单个系统选择适当的测量风格。对光子计数和电场(cid:12)测量的关系，而是显示这些独立测量在不同系统中的协方差。使电

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COMPARISON OF CORRELATION PERFORMANCE FOR VARIOUS MEASUREMENT SCHEMES IN QUANTUM BIPARTITE RADAR AND COMMUNICATION SYSTEMS

|Bipartite systems have become popular in emerging quantum radar and quantum communication systems. This paper analyzes the various correlation coeﬃcients for diﬀerent types of quantum radar measurement schemes, such as: (i) immediate detection of the idler photon events to be used in post-processing correlation with the signal photon events, (ii) immediate detection of the idler electric (cid:12)eld to be used in post-processing correlation with the signal electric (cid:12)eld, (iii) immediate detection of the idler quadratures to be used in post-processing correlation with the signal quadratures, and (iv) conventional analog correlation method of the optical parametric ampli(cid:12)er. The showcased results compare the performance of these diﬀerent methodologies for various environmental scenarios. This work is important at developing the fundamentals behind quantum technologies that require covariance measurements and will permit more accurate selection of the appropriate measurement styles for individual systems. of the photon count and the electric (cid:12)eld measurement, but to show the relationship between the covariance of these independent measurements in separate systems. To make the electric

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Progress in Electromagnetics Research Symposium : [proceedings]. Progress in Electromagnetics Research Symposium

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