114 citations · 581 across the 22 of their papers we have counts for
22 papers
Improved constraints on minimum length models with a macroscopic low loss phonon cavity
William M. Campbell, Michael E. Tobar, Serge Galliou +1
Many theories that attempt to formulate a quantum description of gravity suggest the existence of a fundamental minimum length scale. A popular method for incorporating this minimu…
Electro-Mechanical Tuning of High-Q Bulk Acoustic Phonon Modes at Cryogenic Temperatures
William M. Campbell, Serge Galliou, Michael E. Tobar +1
We investigate the electromechanical properties of quartz bulk acoustic wave resonators at extreme cryogenic temperatures. By applying a DC bias voltage, we demonstrate broad frequ…
Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna
Maxim Goryachev, William M. Campbell, Ik Siong Heng +3
This work describes the operation of a High Frequency Gravitational Wave detector based on a cryogenic Bulk Acoustic Wave (BAW) cavity and reports observation of rare events during…
Generation of Coherent Phonons via a Cavity Enhanced Photonic Lambda Scheme
Jeremy Bourhill, Natalia do Carmo Carvalho, Maxim Goryachev +2
We demonstrate the generation of coherent phonons in a quartz Bulk Acoustic Wave (BAW) resonator through the photoelastic properties of the crystal, via the coupling to a microwave…
Probing the acoustic losses of graphene with a low-loss quartz bulk-acoustic-wave resonator at cryogenic temperatures
Serge Galliou, Jérémy Bon, Philippe Abbé +3
We observe mechanical effects of an exfoliated graphene monolayer deposited on a quartz crystal substrate designed to operate as an extremely low-loss bulk-acoustic-wave cavity at…
Generation of Ultra-Low Power Phononic Combs
Maxim Goryachev, Serge Galliou, Michael E. Tobar
We demonstrate excitation of phononic frequency combs in a Bulk Acoustic Wave system at a temperature of mK using a single tone low power signal source. The observed ultra low…
Influence of flicker noise and nonlinearity on the frequency spectrum of spin torque nano-oscillators
Steffen Wittrock, Philippe Talatchian, Sumito Tsunegi +12
The correlation of phase fluctuations in any type of oscillator fundamentally defines its spectral shape. However, in nonlinear oscillators, such as spin torque nano oscillators, t…
Piezo-optomechanical coupling of a 3D microwave resonator to a bulk acoustic wave crystalline resonator
N. C. Carvalho, J. Bourhill, M. Goryachev +2
We report the observation of coupling between a 3D microwave cavity mode and a bulk mechanical resonator mediated by piezoelectric and radiation pressure effects. The system is com…
Low offset frequency flicker noise in spin torque vortex oscillators
Steffen Wittrock, Sumito Tsunegi, Kay Yakushiji +9
Low frequency noise close to the carrier remains little explored in spin torque nano oscillators. However, it is crucial to investigate as it limits the oscillator's frequency stab…
Testing of Generalized Uncertainty Principle With Macroscopic Mechanical Oscillators and Pendulums
P. A. Bushev, J. Bourhill, M. Goryachev +5
Recent progress in observing and manipulating mechanical oscillators at quantum regime provides new opportunities of studying fundamental physics, for example, to search for low en…
Observation of Low Temperature Magneto-Mechanic Effects in Crystalline Resonant Phonon Cavities
Maxim Goryachev, Serge Galliou, Michael E. Tobar
We observe magnetic effects in ultra-high quality factor crystalline quartz Bulk Acoustic Wave resonators at milli-Kelvin temperature. The study reveals existence of hysteresis loo…
Temperature coefficients of crystalline-quartz elastic constants over the cryogenic range [4 K, 15 K]
Jérémy Bon, Serge Galliou, Roger Bourquin
This paper brings out results of a measurement campaign aiming to determine the temperature coefficients of synthetic quartz elastic constants at liquid helium temperature. The met…
A new method of probing mechanical losses of coatings at cryogenic temperatures
Serge Galliou, Samuel Deléglise, Maxim Goryachev +14
A new method of probing mechanical losses and comparing the corresponding deposition processes of metallic and dielectric coatings in 1-100 MHz frequency range and cryogenic temper…
Inducing Strong Non-Linearities in a Phonon Trapping Quartz Bulk Acoustic Wave Resonator Coupled to a Superconducting Quantum Interference Device
Maxim Goryachev, Eugene N. Ivanov, Serge Galliou +1
A quartz Bulk Acoustic Wave resonator is designed to coherently trap phonons in a way that they are well confined and immune to suspension losses so they exhibit extremely high aco…
Observation of the Fundamental Nyquist Noise Limit in an Ultra-High -Factor Cryogenic Bulk Acoustic Wave Cavity
Maxim Goryachev, Eugene N. Ivanov, Frank van Kann +2
Thermal Nyquist noise fluctuations of high- Bulk Acoustic Wave (BAW) cavities have been observed at cryogenic temperatures with a DC Superconducting Quantum Interference Device…
Measurements of Elastic Properties of Langatate at Liquid Helium Temperatures for design of ultra low loss mechanical systems
Maxim Goryachev, Philippe Abbe, Bernard Dulmet +2
We present full characterisation of acoustic wave devices based on the fully synthetic crystalline material at the liquid helium temperature range { required for the design of ultr…
Jump Chaotic Behaviour of Ultra Low Loss Bulk Acoustic Wave Cavities
Maxim Goryachev, Warrick G. Farr, Serge Galliou +1
We demonstrate a previously unobserved nonlinear phenomenon in an ultra-low loss quartz Bulk Acoustic Wave cavity (), which only occurs below 20 milli-Kelvin in temp…
Advances in Development of Quartz Crystal Oscillators at Liquid Helium Temperatures
Maxim Goryachev, Serge Galliou, Joël Imbaud +1
This work presents some recent results in the field of liquid helium {bulk acoustic wave} oscillators. The discussion covers the whole development procedure starting from component…
Extremely Low Loss Phonon-Trapping Cryogenic Acoustic Cavities for Future Physical Experiments
S. Galliou, M. Goryachev, R. Bourquin +3
Low loss Bulk Acoustic Wave devices are considered from the point of view of the solid state approach as phonon-confining cavities. We demonstrate effective design of such acoustic…
Observation of Rayleigh phonon scattering through excitation of extremely high overtones in low-loss cryogenic acoustic cavities for hybrid quantum systems
M. Goryachev, D. L. Creedon, S. Galliou +1
The confinement of high frequency phonons approaching 1 GHz is demonstrated in phonon-trapping acoustic cavities at cryogenic temperatures using a low-coupled network approach. The…
Extremely Low-Loss Acoustic Phonons in a Quartz Bulk Acoustic Wave Resonator at Millikelvin Temperature
Maxim Goryachev, Daniel L. Creedon, Eugene N. Ivanov +3
Low-loss, high frequency acoustic resonators cooled to millikelvin temperatures are a topic of great interest for application to hybrid quantum systems. When cooled to 20 mK, we sh…
Advanced bridge instrument for the measurement of the phase noise and of the short-term frequency stability of ultra-stable quartz resonators
Fabrice Sthal, Xavier Vacheret, Patrice Salzenstein +3
High-stability quartz oscillators are needed in a number of space applications. A short-term stability of parts in 10^{-14} [Allan deviation σy(τ) ] is sometimes required, for inte…