86 citations · 331 across the 9 of their papers we have counts for
10 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…
Ultrafast tunable photonic integrated Pockels extended-DBR laser
Anat Siddharth, Simone Bianconi, Rui Ning Wang +5
Frequency-agile lasers that can simultaneously feature low noise characteristics as well as fast mode hop-free frequency tuning are keystone components for applications ranging fro…
Tightly confining lithium niobate photonic integrated circuits and lasers
Zihan Li, Rui Ning Wang, Grigorii Lihachev +8
Photonic integrated circuits are indispensible for data transmission within modern datacenters and pervade into multiple application spheres traditionally limited for bulk optics,…
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…
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…