Advances in Photonics of Quantum Computing, Memory, and Communication XII最新文献

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Effect of local periodic perturbations on the topological edge mode of the SSH-model (Conference Presentation) 局部周期扰动对ssh模型拓扑边模的影响(会议报告)
Z. Cherpakova, S. Linden
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引用次数: 0
Stand-alone orthogonally polarized entangled source for quantum applications at telecom wavelength (Conference Presentation) 用于电信波长量子应用的独立正交极化纠缠源(会议报告)
J. Cussey, J. Prieur, J. Merolla
{"title":"Stand-alone orthogonally polarized entangled source for quantum applications at telecom wavelength (Conference Presentation)","authors":"J. Cussey, J. Prieur, J. Merolla","doi":"10.1117/12.2507958","DOIUrl":"https://doi.org/10.1117/12.2507958","url":null,"abstract":"","PeriodicalId":364508,"journal":{"name":"Advances in Photonics of Quantum Computing, Memory, and Communication XII","volume":"216 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133546458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A quantum light-emitting diode for the standard telecom window around 1550 nm (Conference Presentation) 用于1550 nm左右标准电信窗口的量子发光二极管(会议报告)
T. Müller, J. Skiba-Szymanska, A. Krysa, J. Huwer, M. Felle, M. Anderson, M. Stevenson, J. Heffernan, D. Ritchie, A. Shields
{"title":"A quantum light-emitting diode for the standard telecom window around 1550 nm (Conference Presentation)","authors":"T. Müller, J. Skiba-Szymanska, A. Krysa, J. Huwer, M. Felle, M. Anderson, M. Stevenson, J. Heffernan, D. Ritchie, A. Shields","doi":"10.1117/12.2508563","DOIUrl":"https://doi.org/10.1117/12.2508563","url":null,"abstract":"Quantum communication networks are formed of secure links, where information can be transmitted with security guaranteed by the quantum nature of light. An essential building block of such a network is a source of single photons and entangled photon pairs, compatible with the low-loss fibre telecom window around 1550 nm. Previous work based on semiconductor quantum dots (QDs), colour centres in diamond and single atoms has been limited by emission wavelengths unsuitable for long distance applications. Efforts have been made to use standard gallium arsenide based QDs by extending their operating wavelength range, however, electrically driven quantum light emission from quantum dots in this telecommunication window has not yet been demonstrated.\u0000In this work, indium phosphide based QD devices have been developed to address this problem. The industry favoured growth method, metalorganic vapour phase epitaxy (MOVPE), has been used to create droplet QDs with low fine structure splitting (FSS). This growth scheme allows us to produce the first optoelectronic devices for single and entangled photon emission in the 1550 nm telecom window. We show single-photon emission with multi-photon events suppressed to 0.11±0.02. Furthermore, we obtain entangled light from the biexciton cascade with a maximum fidelity of 0.87± 0.04 which is sufficient for error correction protocols. We also show extended device operating temperature up to 93 K, allowing operation with liquid nitrogen or simple closed-cycle coolers. Our device can be directly integrated with existing long distance quantum communication, cryptography and quantum relay systems providing a new platform for developing quantum networks.","PeriodicalId":364508,"journal":{"name":"Advances in Photonics of Quantum Computing, Memory, and Communication XII","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125318393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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