414 citations · 1.5k across the 16 of their papers we have counts for
17 papers
Noncontact friction in ultracoherent nanomechanical resonators near dielectric materials
Amirali Arabmoheghi, Alessio Zicoschi, Guillermo Arregui +4
Micro- and nanomechanical resonators are emerging as promising platforms for quantum technologies, precision sensors and fundamental science experiments. To utilize these devices f…
On-Chip Frequency Noise Cancellation in Nanomechanical Resonators using Cavity Optomechanics
Bhavesh Kharbanda, Amirali Arabmoheghi, Letizia Catalini +7
Understanding and minimizing the sources of frequency noise in nanomechanical resonators is crucial for many sensing applications. In this work, we report an ultracoherent perimete…
Motional sideband asymmetry of a solid-state mechanical resonator at room temperature
Yi Xia, Guanhao Huang, Alberto Beccari +4
The motional sideband asymmetry of a mechanical oscillator interacting with a laser field can be observed when approaching the quantum ground state, where the zero-point energy of…
Room-temperature quantum optomechanics using an ultra-low noise cavity
Guanhao Huang, Alberto Beccari, Nils J. Engelsen +1
Ponderomotive squeezing of light, where a mechanical oscillator creates quantum correlations between the phase and amplitude of the interacting light field, is a canonical signatur…
Quantum state heralding using photonic integrated circuits with free electrons
Guanhao Huang, Nils J. Engelsen, Ofer Kfir +2
Recently, integrated photonic circuits have brought new capabilities to electron microscopy and been used to demonstrate efficient electron phase modulation and electron-photon cor…
Nanomechanical resonators with ultra-high- perimeter modes
Mohammad. J. Bereyhi, Amirali Arabmoheghi, Sergey A. Fedorov +4
Systems with low mechanical dissipation are extensively used in precision measurements such as gravitational wave detection, atomic force microscopy and quantum control of mechanic…
Strained crystalline nanomechanical resonators with ultralow dissipation
Alberto Beccari, Diego A. Visani, Sergey A. Fedorov +4
In strained mechanical resonators, the concurrence of tensile stress and geometric nonlinearity dramatically reduces dissipation. This phenomenon, dissipation dilution, is employed…
Hierarchical tensile structures with ultralow mechanical dissipation
Mohammad J. Bereyhi, Alberto Beccari, Robin Groth +4
Structural hierarchy is found in myriad biological systems and has improved man-made structures ranging from the Eiffel tower to optical cavities. Hierarchical metamaterials utiliz…
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…
High-yield wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits
Junqiu Liu, Guanhao Huang, Rui Ning Wang +5
Low-loss photonic integrated circuits (PIC) and microresonators have enabled novel applications ranging from narrow-linewidth lasers, microwave photonics, to chip-scale optical fre…
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…
Thermo-refractive noise in silicon nitride microresonators
Guanhao Huang, Erwan Lucas, Junqiu Liu +5
Thermodynamic noise places a fundamental limit on the frequency stability of dielectric optical resonators. Here, we present the characterization of thermo-refractive noise in phot…
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…
Ultralow-power chip-based soliton microcombs for photonic integration
Junqiu Liu, Arslan S. Raja, Maxim Karpov +6
The generation of dissipative Kerr solitons in optical microresonators has provided a route to compact frequency combs of high repetition rate, which have already been employed for…
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…
Quantum state magnification
O. Hosten, R. Krishnakumar, N. J. Engelsen +1
Quantum metrology exploits entangled states of particles to improve sensing precision beyond the limit achievable with uncorrelated particles. All previous methods required detecti…