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We theoretically investigate the weak force-sensing based on coherent quantum noise cancellation (CQNC) scheme in a hybrid cavity optomechanical system containing a trapped ensemble of ultracold atoms and an optical parametric amplifier…

Quantum Physics · Physics 2023-05-03 S. K. Singh , M. Mazaheri , Jia-Xin Peng , M. Asjad , Mohammad Khalid

We investigate weak force-sensing based on coherent quantum noise cancellation in a nonlinear hybrid optomechanical system. The optomechanical cavity contains a moveable mechanical mirror, a fixed semitransparent mirror, an ensemble of…

Quantum Physics · Physics 2023-04-10 S. K. Singh , M. Mazaheri , Jia-Xin Peng , M. Asjad

In this paper, we propose an experimentally viable scheme to enhance the sensitivity of force detection in a hybrid optomechanical setup assisted by squeezed vacuum injection, beyond the standard quantum limit (SQL). The scheme is based on…

Quantum Physics · Physics 2022-08-29 H. Allahverdi , Ali Motazedifard , A. Dalafi , D. Vitali , M. H. Naderi

We analyze a quantum force sensor that uses coherent quantum noise cancellation (CQNC) to beat the Standard Quantum Limit (SQL). This sensor, which allows for the continuous, broad-band detection of feeble forces, is a hybrid dual-cavity…

Quantum Physics · Physics 2015-10-20 F. Bariani , H. Seok , S. Singh , M. Vengalattore , P. Meystre

We theoretically investigate quantum measurement noise in a hybrid optomechanical system, focusing on radiation pressure back action and its impact on force sensing. The setup consists of an optomechanical cavity with a movable mirror, a…

Quantum Physics · Physics 2025-12-24 Alolika Roy , Amarendra K. Sarma

Coherent quantum noise cancellation (CQNC) can be used in optomechanical sensors to surpass the standard quantum limit (SQL). In this paper, we investigate an optomechanical force sensor that uses the CQNC strategy by cascading the…

Quantum Physics · Physics 2022-10-14 Jakob Schweer , Daniel Steinmeyer , Klemens Hammerer , Michèle Heurs

We investigate the reduction of measurement-added noise in force sensing by analyzing its power spectral density (PSD) within a hybrid optomechanical system. The setup comprises of an optomechanical cavity equipped with a movable mirror…

Quantum Physics · Physics 2024-09-18 Alolika Roy , Amarendra K. Sarma

We theoretically study how quantum measurement noise can be engineered in a hybrid cavitymagnomechanical platform for precision force sensing. The proposed configuration consists of a driven optomechanical cavity, with a movable mirror on…

Quantum Physics · Physics 2026-04-20 Alolika Roy , Amarendra K. Sarma

Using a flowchart representation of quantum optomechanical dynamics, we design coherent quantum-noise-cancellation schemes that can eliminate the back-action noise induced by radiation pressure at all frequencies and thus overcome the…

Quantum Physics · Physics 2014-11-21 Mankei Tsang , Carlton M. Caves

The coherent quantum noise cancellation (CQNC) strategy has been performed in the single-mode optomechanical systems to promote an ultra-sensitive metrology protocol to break the standard quantum limit. The key idea of CQNC is that the…

Quantum Physics · Physics 2021-05-31 Jiashun Yan , Jun Jing

Cavity magnomechanics, exhibiting remarkable experimental tunability, rich magnonic nonlinearities, and compatibility with various quantum systems, has witnessed considerable advances in recent years. However, the potential benefits of…

Quantum Physics · Physics 2024-04-02 Qian Zhang , Jie Wang , Tian-Xiang Lu , Franco Nori , Hui Jing

We investigate quantum-squeezing-enhanced weak-force sensing via a nonlinear optomechanical resonator containing a movable mechanical mirror and an optical parametric amplifier (OPA). Herein, we determined that tuning the OPA parameters can…

Quantum Physics · Physics 2019-09-02 Wen Zhao , Sheng-Dian Zhang , Adam Miranowicz , Hui Jing

In the realm weak force sensing, an important issue is to suppress fundamental noise (quantum noise and thermal noise), as they limit the accuracy of force measurement. In this paper, we investigate a weak force sensing scheme that combines…

Quantum Physics · Physics 2024-08-08 Zheng Liu , Yu-qiang Liu , Yi-jia Yang , Chang-shui Yu

In this review, we study how a hybrid optomechanical system (OMS), in which a quantum micro- or nano-mechanical oscillator (MO) is coupled to the electromagnetic (EM) radiation pressure, consisting of an ensemble of ultracold atoms or an…

Quantum Physics · Physics 2021-04-20 Ali Motazedifard , A. Dalafi , M. H. Naderi

Optomechanical sensors are capable of transducing external perturbations to resolvable optical signals. A particular regime of interest is that of high-bandwidth force detection, where an impulse is delivered to the system over a short…

We report the realization of an all-optical, tabletop effective-negative-mass oscillator (ENMO) scheme capable of canceling quantum noise when cascaded with an opto-mechanical sensor susceptible to (quantum) radiation pressure noise. Our…

Quantum Physics · Physics 2025-11-12 Nived Johny , Jonas Junker , Bernd Schulte , Dennis Wilken , Klemens Hammerer , Michèle Heurs

The most efficient approach to laser interferometric force sensing to date uses monochromatic carrier light with its signal sideband spectrum in a squeezed vacuum state. Quantum decoherence, i.e. mixing with an ordinary vacuum state due to…

Quantum Physics · Physics 2024-01-11 Mikhail Korobko , Jan Südbeck , Sebastian Steinlechner , Roman Schnabel

The measurement of weak continuous forces exerted on a mechanical oscillator is a fundamental problem in various physical experiments. It is fundamentally impeded by quantum back-action from the meter used to sense the displacement of the…

Quantum Physics · Physics 2021-09-08 Kentaro Komori , Takuya Kawasaki , Sotatsu Otabe , Yutaro Enomoto , Yuta Michimura , Masaki Ando

High sensitivity detection plays a vital role in science discoveries and technological applications. While intriguing methods utilizing collective many-body correlations and quantum entanglements have been developed in physics to enhance…

Quantum Physics · Physics 2024-06-04 Tangyou Huang , Zhongcheng Yu , Zhongyi Ni , Xiaoji Zhou , Xiaopeng Li

Optomechanics allows the transduction of weak forces to optical fields, with many efforts approaching the standard quantum limit. We consider force-sensing using a mirror-in-the-middle setup and use two coupled cavity modes originated from…

Quantum Physics · Physics 2015-03-10 Xunnong Xu , Jacob M. Taylor
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