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Nils Johan Engelsen
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Measurement noise 100 times lower than the quantum-projection limit using entangled atoms
O Hosten, NJ Engelsen, R Krishnakumar, MA Kasevich
Nature 529 (7587), 505-508, 2016
4542016
Elastic strain engineering for ultralow mechanical dissipation
AH Ghadimi, SA Fedorov, NJ Engelsen, MJ Bereyhi, R Schilling, ...
Science 360 (6390), 764-768, 2018
2472018
High-yield, wafer-scale fabrication of ultralow-loss, dispersion-engineered silicon nitride photonic circuits
J Liu, G Huang, RN Wang, J He, AS Raja, T Liu, NJ Engelsen, ...
Nature communications 12 (1), 2236, 2021
2212021
Quantum phase magnification
O Hosten, R Krishnakumar, NJ Engelsen, MA Kasevich
Science 352 (6293), 1552-1555, 2016
1652016
Ultralow-power chip-based soliton microcombs for photonic integration
J Liu, AS Raja, M Karpov, B Ghadiani, MHP Pfeiffer, B Du, NJ Engelsen, ...
Optica 5 (10), 1347-1353, 2018
1552018
Thermorefractive noise in silicon-nitride microresonators
G Huang, E Lucas, J Liu, AS Raja, G Lihachev, ML Gorodetsky, ...
Physical Review A 99 (6), 061801, 2019
782019
Bell correlations in spin-squeezed states of 500 000 atoms
NJ Engelsen, R Krishnakumar, O Hosten, MA Kasevich
Physical review letters 118 (14), 140401, 2017
672017
Generalized dissipation dilution in strained mechanical resonators
SA Fedorov, NJ Engelsen, AH Ghadimi, MJ Bereyhi, R Schilling, ...
Physical Review B 99 (5), 054107, 2019
532019
Clamp-tapering increases the quality factor of stressed nanobeams
MJ Bereyhi, A Beccari, SA Fedorov, AH Ghadimi, R Schilling, DJ Wilson, ...
Nano letters 19 (4), 2329-2333, 2019
292019
Fractal-like mechanical resonators with a soft-clamped fundamental mode
SA Fedorov, A Beccari, NJ Engelsen, TJ Kippenberg
Physical Review Letters 124 (2), 025502, 2020
272020
Strained crystalline nanomechanical resonators with quality factors above 10 billion
A Beccari, DA Visani, SA Fedorov, MJ Bereyhi, V Boureau, NJ Engelsen, ...
Nature Physics 18 (4), 436-441, 2022
232022
Hierarchical tensile structures with ultralow mechanical dissipation
MJ Bereyhi, A Beccari, R Groth, SA Fedorov, A Arabmoheghi, ...
Nature Communications 13 (1), 3097, 2022
222022
Perimeter Modes of Nanomechanical Resonators Exhibit Quality Factors Exceeding at Room Temperature
MJ Bereyhi, A Arabmoheghi, A Beccari, SA Fedorov, G Huang, ...
Physical Review X 12 (2), 021036, 2022
17*2022
Thermal intermodulation noise in cavity-based measurements
SA Fedorov, A Beccari, A Arabmoheghi, DJ Wilson, NJ Engelsen, ...
Optica 7 (11), 1609-1616, 2020
102020
Quantum metrology using large ensembles of entangled atoms
NJ Engelsen
Stanford University, 2016
32016
Coupling ideality of free electrons with photonic integrated waveguides
G Huang, NJ Engelsen, O Kfir, C Ropers, TJ Kippenberg
arXiv preprint arXiv:2206.08098, 2022
22022
Engineering spin-squeezed states for quantum-enhanced atom interferometry
NJ Engelsen, O Hosten, R Krishnakumar, MA Kasevich
2016 Conference on Lasers and Electro-Optics (CLEO), 1-2, 2016
22016
Strained crystalline nanomechanical resonators with ultralow dissipation
A Beccari, D Visani, S Fedorov, M Bereyhi, V Boureau, NJ Engelsen, ...
APS March Meeting Abstracts 2022, Z34. 011, 2022
12022
Ultra-High-Q Nanomechanics Through Dissipation Dilution: Trends and Perspectives
NJ Engelsen, AR Agrawal, DJ Wilson
2021 21st International Conference on Solid-State Sensors, Actuators and …, 2021
12021
Strained Silicon Nanomechanics
A Beccari, NJ Engelsen, S Fedorov, M Bereyhi, T Kippenberg
APS March Meeting Abstracts 2021, P27. 009, 2021
12021
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Articles 1–20