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Adaptive optics has made significant advancement over the past decade, becoming the essential technology in a wide variety of applications, particularly in the realm of quantum optics. One key area of impact is gravitational-wave detection,…

An experimentally feasible magnetometer based on a dual-coupling optomechanical system is proposed, where the radiation-pressure coupling transduces the magnetic signal to the optical phase, and the quadratic optomechanical interaction…

Quantum Physics · Physics 2022-09-16 Gui-Lei Zhu , Jing Liu , Ying Wu , Xin-You Lü

We study possibilities of creation and detection of oscillating gravitational fields from lab-scale high energy, relativistic sources. The sources considered are high energy laser beams in an optical cavity and the ultra-relativistic proton…

General Relativity and Quantum Cosmology · Physics 2022-05-25 Felix Spengler , Dennis Rätzel , Daniel Braun

We theoretically examine the optomechanical interaction between a rotating nanoparticle and an orbital angular momentum-carrying optical cavity mode. Specifically, we consider a dielectric nanosphere rotating uniformly in a ring-shaped…

Optics · Physics 2023-07-19 M. Bhattacharya

We consider a measurement of the position of a spot painted on the surface of a trapped nano-optomechanical sphere. The measurement extracts information about the position of the spot and in doing so measures a combination of the…

Quantum Physics · Physics 2016-10-03 Jason F. Ralph , Kurt Jacobs , Jonathon Coleman

Pendulum-driven systems have emerged as a notable modification of vibro-impact mechanisms, replacing the conventional mass-on-spring oscillator with a pendulum. Such systems exhibit intricate behavior resulting from the interplay of…

Optimization and Control · Mathematics 2024-09-12 Sandra Zarychta , Marek Balcerzak , Katarzyna Wojdalska , Rafał Dolny , Jerzy Wojewoda

The Schr\"odinger-Newton equation, a theoretical framework connecting quantum mechanics with classical gravity, predicts that gravity may induce measurable deviations in low-frequency mechanical systems-an intriguing hypothesis at the…

Matterwaves made up of ultra-cold quantum-degenerate atoms have enabled the creation of tools having unprecedented sensitivity and precision in measuring gravity, rotation or magnetic fields. Applications range from gravitational wave…

Quantum Physics · Physics 2025-06-09 Saurabh Pandey , Hector Mas , Georgios Vasilakis , Wolf von Klitzing

The interaction between a high-frequency dilational mode of a thin dielectric film and an optical cavity field is studied theoretically in the membrane-in-the-middle setup. A derivation from first principles leads to a multi-mode…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 K. Borkje , S. M. Girvin

Introducing a controlled and strong anharmonicity in mechanical systems is a present challenge of nanomechanics. In cavity optomechanics a mechanical oscillator may be made anharmonic by ponderomotively coupling its motion to the light…

Quantum Physics · Physics 2025-07-16 Jonathan L. Wise , Clement Dutreix , Fabio Pistolesi

Quantum correlations are interesting resources for modern quantum technologies such as quantum information processing, quantum communication, quantum teleportation, and quantum computation tasks. However, engineering these quantum states…

Quantum entanglement in mechanical systems is not only a key signature of macroscopic quantum effects, but has wide applications in quantum technologies. Here we proposed an effective approach for creating strong steady-state entanglement…

Quantum Physics · Physics 2017-12-27 Mei Wang , Xin-You Lü , Ying-Dan Wang , J. Q. You , Y. Wu

We computationally demonstrate a new method for coherently controlling the rotation-axis direction in asymmetric top molecules with an optical centrifuge. Appropriately chosen electric-field strengths and the centrifuge's acceleration rate…

Chemical Physics · Physics 2021-06-16 Emil J. Zak , Andrey Yachmenev , Jochen Küpper

Sensitive and accurate rotation sensing is a critical requirement for applications such as inertial navigation [1], north-finding [2], geophysical analysis [3], and tests of general relativity [4]. One effective technique used for rotation…

Atomic Physics · Physics 2020-04-07 E. R. Moan , R. A. Horne , T. Arpornthip , Z. Luo , A. J. Fallon , S. J. Berl , C. A. Sackett

Cavity optomechanics has achieved the major breakthrough of the preparation and observation of macroscopic mechanical oscillators in peculiarly quantum states. The development of reliable indicators of the oscillator properties in these…

Quantum Physics · Physics 2022-02-16 A Chowdhury , P Vezio , M Bonaldi , A Borrielli , F Marino , B Morana , G Pandraud , A Pontin , G A Prodi , P M Sarro , E Serra , F Marin

Laser control of molecular rotation is an area of active research. A number of recent studies has aimed at expanding the reach of rotational control to extreme, previously inaccessible rotational states, as well as controlling the…

Quantum Physics · Physics 2015-01-13 V. Milner , J. W. Hepburn

Sensitive transduction of the motion of a microscale cantilever is central to many applications in mass, force, magnetic resonance, and displacement sensing. Reducing cantilever size to nanoscale dimensions can improve the bandwidth and…

We demonstrate sub-femtometer displacement-sensing results achieved with a compact optical resonator-based laser interferometry technique called heterodyne cavity-tracking, intended for local displacement or inertial sensing with ultra-high…

Instrumentation and Detectors · Physics 2026-05-06 Shreevathsa Chalathadka Subrahmanya , Jonathan Joseph Carter , Oliver Gerberding

Cavity optomechanical magnetic field sensors, constructed by coupling a magnetostrictive material to a micro-toroidal optical cavity, act as ultra-sensitive room temperature magnetometers with tens of micrometre size and broad bandwidth,…

Applied Physics · Physics 2020-08-18 Yimin Yu , Stefan Forstner , Halina Rubinsztein-Dunlop , Warwick P. Bowen

We achieved for the first time a direct measurement of the thermal fluctuation of a pendulum in an off-resonant region using a laser interferometric gravitational wave detector. These measurements have been well identified for over one…

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