Advancements in Optomechanics: from Fundamental Physics to Quantum Sensors

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Quantum Photonics and Technologies".

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1243

Special Issue Editors


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Guest Editor
School of Science and Technology, Physics Division, University of Camerino, 62032 Camerino, Italy
Interests: optical resonators; optomechanics; electro-optomechanics; quantum transduction; hybrid systems; integrated photonics; quantum technologies

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Guest Editor
School of Science and Technology, Physics Division, University of Camerino, 62032 Camerino, Italy
Interests: radiation-matter interaction; atomic physics; Bose-Einstein condensation; optomechanics; electro-optomechanics; quantum transduction; quantum hybrid interfaces; quantum technologies

Special Issue Information

Dear Colleagues,

Optomechanics is nowadays a well-established field of research, studying the interaction between light and mechanical oscillators. The raising interest towards optomechanics is due to its capability to address a wide range of problems: providing a benchmark for fundamental tests of the quantum theory of macroscopic objects; applications in quantum technology, like quantum interfaces for quantum information networks; highly sensitive displacement and force measurements, leading to quantum sensing and to quantum signal transduction in hybrid interfaces. The advancements in the field led to the first ever detection of gravitational waves and set the best to date experimental upper bound of quantum gravity models based on generalized uncertainty principles. Moreover, optomechanical system can be used as quantum sensors, where phase-sensitive schemes offer unprecedented sensitivities for the measurement of tiny signals, outperforming classical schemes.

This special issue aims to collect the latest progress in the field of optomechanics, sweeping from cavity optomechanics to optomechanical crystals, levitated optomechanics, multimode optomechanical systems, hybrid electromechanical devices, electro-optomechanical devices and optomechanical transduction.

Dr. Paolo Piergentili
Dr. Nicola Malossi
Guest Editors

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Keywords

  • cavity optomechanics
  • levitated optomechanical systems
  • electro-optomechanical systems
  • quantum sensors

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Published Papers (1 paper)

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Research

20 pages, 8171 KiB  
Article
Alignment of Fabry–Pérot Cavities for Optomechanical Acceleration Measurements
by Marina Rezinkina and Claus Braxmaier
Photonics 2025, 12(1), 15; https://doi.org/10.3390/photonics12010015 - 27 Dec 2024
Viewed by 688
Abstract
The wave optics processes in a Fabry–Pérot cavity with a length of about tens of millimeters are considered. Such cavities are used, among other applications, in optomechanical accelerometers for precise measurement of displacement of moving elements. A Fabry–Pérot cavity formed by a spherical [...] Read more.
The wave optics processes in a Fabry–Pérot cavity with a length of about tens of millimeters are considered. Such cavities are used, among other applications, in optomechanical accelerometers for precise measurement of displacement of moving elements. A Fabry–Pérot cavity formed by a spherical and flat mirror is considered. The influence of parameters characterizing the alignment of the Fabry–Pérot cavity mirrors and the laser beam on the appearance of the higher order modes is investigated using numerical modeling. It is shown that the angle of inclination of the flat mirror of the cavity greatly affects the occurrence of higher order modes in addition to the fundamental mode. The levels of displacement of the axis of a spherical mirror in the vertical direction which do not cause the emergence of higher order modes is shown. The influence of the degree of displacement of the laser beam axis in the vertical direction relative to the symmetry axis of the Fabry–Pérot cavity is also investigated. Full article
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