Ultrahigh-quality-factor micro-and nanomechanical resonators using dissipation dilution

NJ Engelsen, A Beccari, TJ Kippenberg - Nature Nanotechnology, 2024 - nature.com
Mechanical resonators are widely used in sensors, transducers and optomechanical
systems, where mechanical dissipation sets the ultimate limit to performance. Over the past …

Nanomechanical dissipation and strain engineering

L Sementilli, E Romero… - Advanced Functional …, 2022 - Wiley Online Library
Nanomechanical resonators have applications in a wide variety of technologies ranging
from biochemical sensors to mobile communications, quantum computing, inertial sensing …

Room-temperature quantum optomechanics using an ultralow noise cavity

G Huang, A Beccari, NJ Engelsen, TJ Kippenberg - Nature, 2024 - nature.com
At room temperature, mechanical motion driven by the quantum backaction of light has been
observed only in pioneering experiments in which an optical restoring force controls the …

Perimeter Modes of Nanomechanical Resonators Exhibit Quality Factors Exceeding at Room Temperature

MJ Bereyhi, A Arabmoheghi, A Beccari, SA Fedorov… - Physical Review X, 2022 - APS
Systems with low mechanical dissipation are extensively used in precision measurements
such as gravitational wave detection, atomic force microscopy, and quantum control of …

High‐Strength amorphous silicon carbide for nanomechanics

M Xu, D Shin, PM Sberna, R van der Kolk… - Advanced …, 2024 - Wiley Online Library
For decades, mechanical resonators with high sensitivity have been realized using thin‐film
materials under high tensile loads. Although there are remarkable strides in achieving low …

Strained crystalline nanomechanical resonators with quality factors above 10 billion

A Beccari, DA Visani, SA Fedorov, MJ Bereyhi… - Nature Physics, 2022 - nature.com
In strained mechanical resonators, the concurrence of tensile stress and geometric
nonlinearity dramatically reduces dissipation. This phenomenon, called dissipation dilution …

Spiderweb nanomechanical resonators via bayesian optimization: inspired by nature and guided by machine learning

D Shin, A Cupertino, MHJ de Jong… - Advanced …, 2022 - Wiley Online Library
From ultrasensitive detectors of fundamental forces to quantum networks and sensors,
mechanical resonators are enabling next‐generation technologies to operate in room …

Nanomechanical crystalline AlN resonators with high quality factors for quantum optoelectromechanics

A Ciers, A Jung, J Ciers, LR Nindito… - Advanced …, 2024 - Wiley Online Library
High‐quality factor (Qm) mechanical resonators are crucial for applications where low noise
and long coherence time are required, as mirror suspensions, quantum cavity …

Hierarchical tensile structures with ultralow mechanical dissipation

MJ Bereyhi, A Beccari, R Groth, SA Fedorov… - Nature …, 2022 - nature.com
Structural hierarchy is found in myriad biological systems and has improved man-made
structures ranging from the Eiffel tower to optical cavities. In mechanical resonators whose …

Centimeter-scale nanomechanical resonators with low dissipation

A Cupertino, D Shin, L Guo, PG Steeneken… - Nature …, 2024 - nature.com
High-aspect-ratio mechanical resonators are pivotal in precision sensing, from macroscopic
gravitational wave detectors to nanoscale acoustics. However, fabrication challenges and …