45 citations · 47 across the 2 of their papers we have counts for
6 papers
Thermal intermodulation noise in cavity-based measurements
Sergey A. Fedorov, Alberto Beccari, Amirali Arabmoheghi +3
Thermal frequency fluctuations in optical cavities limit the sensitivity of precision experiments ranging from gravitational wave observatories to optical atomic clocks. Convention…
Fractal-like mechanical resonators with soft-clamped fundamental mode
Sergey A. Fedorov, Alberto Beccari, Nils J. Engelsen +1
Self-similar structures occur naturally and have been employed to engineer exotic physical properties. Here we show that acoustic modes of a fractal-like system of tensioned string…
Quantum limited measurements with lossy optical cavity enabled by dissipative optomechanical coupling
A. K. Tagantsev, S. A. Fedorov
We analyze a cavity optomechanical setup, in which position of an oscillator modulates optical loss. We show that in such setup quantum limited position measurements can be perform…
Clamp-tapering increases the quality factor of stressed nanobeams
Mohammad J. Bereyhi, Alberto Beccari, Sergey A. Fedorov +5
Stressed nanomechanical resonators are known to have exceptionally high quality factors () due to the dilution of intrinsic dissipation by stress. Typically, the amount of dissi…
Generalized dissipation dilution in strained mechanical resonators
Sergey A. Fedorov, Nils J. Engelsen, Amir H. Ghadimi +4
Mechanical resonators with high quality factors are of relevance in precision experiments, ranging from gravitational wave detection and force sensing to quantum optomechanics. Bea…
Strain engineering for ultra-coherent nanomechanical oscillators
Amir H. Ghadimi, Sergey A. Fedorov, Nils J. Engelsen +4
Elastic strain engineering utilizes stress to realize unusual material properties. For instance, strain can be used to enhance the electron mobility of a semiconductor, enabling mo…