Rydberg excitons and quantum sensing

IF 4.1 3区 材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
J. Heckötter, M. Aßmann, M. Bayer
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引用次数: 0

Abstract

Within the last few years, Rydberg excitons, bound electron–hole pairs in highly excited states, have emerged as a promising technology platform for quantum nonlinear optics, quantum information processing, and quantum sensing. The advanced device designs and sensing concepts in these fields require strong nonlinearities at the few-photon or few-carrier level. Rydberg states offer the required strong nonlinearities as the relevant physical quantities at the heart of such nonlinear effects scale strongly with the principal quantum number, n, of the excited state: For example, their polarizability scales as \(n^7\), resulting in an enormous sensitivity to external fields. We review recent experimental and theoretical results that pave the way toward quantum sensing of the electric fields originating from static charge carriers and strongly diluted electron–hole plasmas. We also discuss the strong nonlinear optical properties of Rydberg excitons and how they could be utilized in terms of sensing.

Graphical abstract

Abstract Image

里德伯激子和量子传感
在过去几年里,雷德贝格激子--处于高度激发态的束缚电子-空穴对--已成为量子非线性光学、量子信息处理和量子传感领域前景广阔的技术平台。这些领域的先进设备设计和传感概念需要少光子或少载流子级的强非线性。里德伯态提供了所需的强非线性,因为这种非线性效应的核心相关物理量与激发态的主量子数 n 具有很强的相关性:例如,它们的可极化性随(n^7\)的缩放而缩放,从而导致对外部场的极大敏感性。我们回顾了最近的实验和理论成果,这些成果为量子传感源自静态电荷载流子和强稀释电子-空穴等离子体的电场铺平了道路。我们还讨论了雷德堡激子的强非线性光学特性,以及如何利用它们进行传感。
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
Mrs Bulletin
Mrs Bulletin 工程技术-材料科学:综合
CiteScore
7.40
自引率
2.00%
发文量
193
审稿时长
4-8 weeks
期刊介绍: MRS Bulletin is one of the most widely recognized and highly respected publications in advanced materials research. Each month, the Bulletin provides a comprehensive overview of a specific materials theme, along with industry and policy developments, and MRS and materials-community news and events. Written by leading experts, the overview articles are useful references for specialists, but are also presented at a level understandable to a broad scientific audience.
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