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Micromachines
Special Issues
Emerging Quantum Optical Devices and Their Applications
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Emerging Quantum Optical Devices and Their Applications

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A：Physics".

Deadline for manuscript submissions: 31 January 2025 | Viewed by 692

Special Issue Editors

Prof. Dr. Yu Zhou

E-Mail Website
Guest Editor
School of Science, Harbin Institute of Technology, Shenzhen 518057, China
Interests: micro-nano optics; quantum defect; quantum control; quantum devices
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Junfeng Wang

E-Mail Website
Guest Editor
College of Physics, Sichuan University, Chengdu 610065, China
Interests: silicon carbide; solid-state spin qubits; quantum information
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The Special Issue welcomes contributions on emerging quantum optical devices and their applications. This Special Issue aims to showcase the latest advancements in quantum optics research, highlighting innovative devices poised to transform various sectors of technology. Topics include exploring techniques for generating single photons efficiently, improving integrated circuits for quantum technologies, analyzing secure communication protocols, studying materials that enhance quantum device performance, discussing integration with CMOS technology, examining theoretical models and experimental demonstrations of quantum phenomena, and exploring applications in secure communication, quantum computing, biomedical imaging, and sensing technologies. Contributions should address these themes from both theoretical and practical perspectives, fostering a comprehensive understanding of current knowledge and prospects in quantum optics research and technology.

Prof. Dr. Yu Zhou
Prof. Dr. Junfeng Wang
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • quantum devices
  • quantum optics
  • quantum hardware and quantum chips

Published Papers (1 paper)

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Research

9 pages, 623 KiB  
Article
Suppressing Thermal Noise to Sub-Millikelvin Level in a Single-Spin Quantum System Using Realtime Frequency Tracking
by Zhiyi Hu, Jingyan He, Runchuan Ye, Xue Lin, Feifei Zhou and Nanyang Xu
Micromachines 2024, 15(7), 911; https://doi.org/10.3390/mi15070911 - 13 Jul 2024
Viewed by 522
Abstract
A single nitrogen-vacancy (NV) center in a diamond can be used as a nanoscale sensor for magnetic field, electric field or nuclear spins. Due to its low photon detection efficiency, such sensing processes often take a long time, suffering from an electron spin [...] Read more.
A single nitrogen-vacancy (NV) center in a diamond can be used as a nanoscale sensor for magnetic field, electric field or nuclear spins. Due to its low photon detection efficiency, such sensing processes often take a long time, suffering from an electron spin resonance (ESR) frequency fluctuation induced by the time-varying thermal perturbations noise. Thus, suppressing the thermal noise is the fundamental way to enhance single-sensor performance, which is typically achieved by utilizing a thermal control protocol with a complicated and highly costly apparatus if a millikelvin-level stabilization is required. Here, we analyze the real-time thermal drift and utilize an active way to alternately track the single-spin ESR frequency drift in the experiment. Using this method, we achieve a temperature stabilization effect equivalent to sub-millikelvin (0.8 mK) level with no extra environmental thermal control, and the spin-state readout contrast is significantly improved in long-lasting experiments. This method holds broad applicability for NV-based single-spin experiments and harbors the potential for prospective expansion into diverse nanoscale quantum sensing domains. Full article
(This article belongs to the Special Issue Emerging Quantum Optical Devices and Their Applications)
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