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Optical and Quantum Sensing and Precision Metrology最新文献

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Biosensing applications of quantum emitters in diamond and phosphors including virus detection 量子发射体在金刚石和荧光粉中的生物传感应用，包括病毒检测
Optical and Quantum Sensing and Precision Metrology Pub Date : 2021-03-05 DOI: 10.1117/12.2586132
P. Hemmer
{"title":"Biosensing applications of quantum emitters in diamond and phosphors including virus detection","authors":"P. Hemmer","doi":"10.1117/12.2586132","DOIUrl":"https://doi.org/10.1117/12.2586132","url":null,"abstract":"Diamond optical emitters have been explored extensively in recent years for applications to quantum information and processing. In addition, they have been considered for quantum sensing, especially as nanocrystals in biological systems. Supplementing nanodiamonds with upconversion particles opens new opportunities for biosensing. In this talk I will review the basics of sensing with nanodiamonds and nanophosphors in the context of specific applications. Lastly, I will discuss future opportunities for both types of particles toward virus detection.","PeriodicalId":298360,"journal":{"name":"Optical and Quantum Sensing and Precision Metrology","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125715370","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
Quantum logic control and spectroscopy of a single molecular ion 单分子离子的量子逻辑控制与光谱学
Optical and Quantum Sensing and Precision Metrology Pub Date : 2021-03-05 DOI: 10.1117/12.2586882
A. Collopy, D. Leibrandt, D. Leibfried, C. Chou
{"title":"Quantum logic control and spectroscopy of a single molecular ion","authors":"A. Collopy, D. Leibrandt, D. Leibfried, C. Chou","doi":"10.1117/12.2586882","DOIUrl":"https://doi.org/10.1117/12.2586882","url":null,"abstract":"Quantum logic enables state preparation, readout and spectroscopy of otherwise difficult-to-study ions. Using the coupled harmonic motion shared between co-trapped ions, information can be transferred from the \"spectroscopy\" ion to the easily manipulated \"logic\" ion. With this technique we perform high-resolution terahertz-scale rotational spectroscopy of a single CaH+ molecular ion in pure states by leveraging a Ca+ ion as our logic ion. Entangled states between a CaH+ and a Ca+ have also been demonstrated, making molecular ions possible components of hybrid systems for quantum information processing. Because all our laser operations on the molecule are driving stimulated Raman transitions with high detuning, the technique promises to be generalizable to a wide variety of molecular ion species. Additionally, we study the systematic effects of the trap RF electric field on molecular levels and use it to obtain a measurement of the dipole moment of the charged molecule.","PeriodicalId":298360,"journal":{"name":"Optical and Quantum Sensing and Precision Metrology","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127340773","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
Non-Hermitian quantum sensing: fundamental limits and non-reciprocal advantages 非厄米量子传感:基本限制和非互易优势
Optical and Quantum Sensing and Precision Metrology Pub Date : 2021-03-05 DOI: 10.1117/12.2586713
Hoi-Kwan Lau, A. Clerk
{"title":"Non-Hermitian quantum sensing: fundamental limits and non-reciprocal advantages","authors":"Hoi-Kwan Lau, A. Clerk","doi":"10.1117/12.2586713","DOIUrl":"https://doi.org/10.1117/12.2586713","url":null,"abstract":"Unconventional properties of non-Hermitian systems, such exceptional points, have recently been suggested as a resource for sensing. The impact of noise and utility in quantum regimes, however, remain highly debatable. In this talk, I will introduce a full theoretical framework to analyze the performance of a dispersive quantum non-Hermitian sensor; parts of our result have been included in our recent paper Lau & Clerk, Nat. Comm. 9, 4320 (2018). Our formalism fully accounts for noise effects in both classical and quantum regimes, and also fully treats a realistic and optimal measurement protocol based on coherent driving and homodyne detection. Focusing on two-mode devices, we derive fundamental bounds on the signal-to-noise (SNR) ratio for any such sensor. We use these to demonstrate that enhanced SNR ratio does not necessarily require any proximity to an exceptional point. Furthermore, we show that non-reciprocity is a powerful resource for sensing even when quantum noise exists.","PeriodicalId":298360,"journal":{"name":"Optical and Quantum Sensing and Precision Metrology","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125529852","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
Front Matter: Volume 11700 前题:卷11700
Optical and Quantum Sensing and Precision Metrology Pub Date : 1900-01-01 DOI: 10.1117/12.2596539
{"title":"Front Matter: Volume 11700","authors":"","doi":"10.1117/12.2596539","DOIUrl":"https://doi.org/10.1117/12.2596539","url":null,"abstract":"","PeriodicalId":298360,"journal":{"name":"Optical and Quantum Sensing and Precision Metrology","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128040672","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
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