Entangled-photons generation with quantum dots

Entanglement between particles is a crucial resource in quantum information processing, an important example of which is the exploitation of entangled photons in quantum communication protocols. Among the different available sources of entangled photons, semiconductor quantum dots （QDs） excel owing...

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Bibliographic Details
Published inChinese physics B Vol. 27; no. 2; pp. 140 - 153
Main Author 李远;丁飞;Oliver G Schmidt
Format Journal Article
LanguageEnglish
Published Chinese Physical Society and IOP Publishing Ltd 01.02.2018
Subjects
entangled-photon source
quantum dots
quantum information
纠缠光子;量点;关键资源;信息处理;通讯协议;生产技术;半导体;相容性
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ISSN1674-1056
2058-3834
DOI10.1088/1674-1056/27/2/020307

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Summary:Entanglement between particles is a crucial resource in quantum information processing, an important example of which is the exploitation of entangled photons in quantum communication protocols. Among the different available sources of entangled photons, semiconductor quantum dots （QDs） excel owing to their deterministic emission properties, potential for electrical injections, and direct compatibility with semiconductor manufacturing techniques. Despite the great promises, QD-based sources at＇e far from being ideal. In particular, such sources present several critical issues, which require the overcoming of challenges pertaining to spectral tunability, entanglement fidelity, photon indistinguishability and brightness. In this article, we will discuss the potential solutions to these problems and review the recent progress in the field.
Bibliography:Entanglement between particles is a crucial resource in quantum information processing, an important example of which is the exploitation of entangled photons in quantum communication protocols. Among the different available sources of entangled photons, semiconductor quantum dots （QDs） excel owing to their deterministic emission properties, potential for electrical injections, and direct compatibility with semiconductor manufacturing techniques. Despite the great promises, QD-based sources at＇e far from being ideal. In particular, such sources present several critical issues, which require the overcoming of challenges pertaining to spectral tunability, entanglement fidelity, photon indistinguishability and brightness. In this article, we will discuss the potential solutions to these problems and review the recent progress in the field.
quantum information, entangled-photon source, quantum dots
Yuan Li, Fei Ding and Oliver G Schmidt（ 1 Institute for Integrative Nanosciences, IFW Dresden, Helmholtz,straBe 20, 01069 Dresden. Germany ; Institute tor Solid State Physics. Leibntz University ol Hannover; AppelstratBe 2, 30167 Hannovet; Germany）
11-5639/O4
ISSN:1674-1056
2058-3834
DOI:10.1088/1674-1056/27/2/020307