Entanglement-enhanced optomechanical sensing

Y Xia, AR Agrawal, CM Pluchar, AJ Brady, Z Liu… - Nature …, 2023 - nature.com
Optomechanical systems have been exploited in ultrasensitive measurements of force,
acceleration and magnetic fields. The fundamental limits for optomechanical sensing have …

Entanglement-enhanced optomechanical sensor array with application to dark matter searches

AJ Brady, X Chen, Y Xia, J Manley… - Communications …, 2023 - nature.com
Squeezed light has long been used to enhance the precision of a single optomechanical
sensor. An emerging set of proposals seeks to use arrays of optomechanical sensors to …

Enhancing membrane-based scanning force microscopy through an optical cavity

T Gisler, D Hälg, V Dumont, S Misra, L Catalini… - Physical Review …, 2024 - APS
The new generation of strained-silicon-nitride resonators harbors great promise for scanning
force microscopy, especially when combined with the extensive toolbox of cavity …

1/f Noise Mitigation in an Opto-Mechanical Sensor with a Fabry–Pérot Interferometer

AM Nelson, J Sanjuan, F Guzmán - Sensors, 2024 - mdpi.com
Low-frequency and 1/f noise are common measurement limitations that arise in a variety of
physical processes. Mitigation methods for these noises are dependent on their source …

Broadband Optomechanical Accelerometer Reaching the Thermomechanical Limit Based on Suspended Si3N4 Membrane Resonator

W Li, W Liu, C Liu, Y Gu, L Liu, Y Zhou… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
Acceleration measurement is widely used in military, civil, and industrial applications.
However, it is difficult for traditional microelectromechanical systems (MEMS) …

Long-Term Aging Study of a Silicon Nitride Nanomechanical Resonator

M Stephan, A Bouchard, T Hodges, RG Green… - arXiv preprint arXiv …, 2024 - arxiv.org
Short-term changes in the resonance frequency of silicon nitride (SiN) nanomechanical
resonators can be measured very precisely due to low thermomechanical fluctuations …

A suspended focusing Si3N4 metamirror for integrated cavity optomechanics

AR Agrawal, JP Manley, D Allepuz-Requena… - Frontiers in …, 2023 - opg.optica.org
We have realized a suspended, high-reflectivity focusing metamirror (f= 10 cm, R≈ 99%), by
gradient pitch photonic crystal patterning of a Si3N4 membrane. The design enables …

Optomechanics as a Probe for New Physics: From Dark Matter to Spontaneous Wave Function Collapse

U Pandurangi - 2022 - search.proquest.com
Optomechanical systems can be used to probe weak forces arising from fundamental
physical phenomena. Here, we analyze experimental efforts to search for ultralight dark …