Kjetil B°rkje
Kjetil B°rkje
University of South-Eastern Norway
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Cited by
Cited by
Single-photon optomechanics
A Nunnenkamp, K B°rkje, SM Girvin
Physical review letters 107 (6), 063602, 2011
Cooling and squeezing via quadratic optomechanical coupling
A Nunnenkamp, K B°rkje, JGE Harris, SM Girvin
Physical Review A 82 (2), 021806, 2010
Signatures of nonlinear cavity optomechanics in the weak coupling regime
K B°rkje, A Nunnenkamp, JD Teufel, SM Girvin
Physical review letters 111 (5), 053603, 2013
Proposal for entangling remote micromechanical oscillators via optical measurements
K B°rkje, A Nunnenkamp, SM Girvin
Physical review letters 107 (12), 123601, 2011
Measurement of the motional sidebands of a nanogram-scale oscillator in the quantum regime
M Underwood, D Mason, D Lee, H Xu, L Jiang, AB Shkarin, K B°rkje, ...
Physical Review A 92 (6), 061801, 2015
Ground-state cooling of mechanical motion in the unresolved sideband regime by use of optomechanically induced transparency
T Ojanen, K B°rkje
Physical Review A 90 (1), 013824, 2014
Cryogenic optomechanics with a Si3N4 membrane and classical laser noise
AM Jayich, JC Sankey, K B°rkje, D Lee, C Yang, M Underwood, ...
New Journal of Physics 14 (11), 115018, 2012
Cooling in the single-photon strong-coupling regime of cavity optomechanics
A Nunnenkamp, K B°rkje, SM Girvin
Physical Review A 85 (5), 051803, 2012
Observability of radiation-pressure shot noise in optomechanical systems
K B°rkje, A Nunnenkamp, BM Zwickl, C Yang, JGE Harris, SM Girvin
Physical Review A 82 (1), 013818, 2010
Two-dimensional quantum motion of a levitated nanosphere
A Ranfagni, K B°rkje, F Marino, F Marin
Physical Review Research 4 (3), 033051, 2022
Tunneling between noncentrosymmetric superconductors with significant spin-orbit splitting studied theoretically within a two-band treatment
K B°rkje, A Sudb°
Physical Review B 74 (5), 054506, 2006
Detection of qubit-oscillator entanglement in nanoelectromechanical systems
TL Schmidt, K B°rkje, C Bruder, B Trauzettel
Physical review letters 104 (17), 177205, 2010
Detecting Majorana bound states by nanomechanics
S Walter, TL Schmidt, K B°rkje, B Trauzettel
Physical Review B 84 (22), 224510, 2011
Heterodyne photodetection measurements on cavity optomechanical systems: Interpretation of sideband asymmetry and limits to a classical explanation
K B°rkje
Physical Review A 94 (4), 043816, 2016
Quantum optomechanics with a high-frequency dilational mode in thin dielectric membranes
K B°rkje, SM Girvin
New Journal of Physics 14 (8), 085016, 2012
Using Josephson junctions to determine the pairing state of superconductors without crystal inversion symmetry
K B°rkje
Physical Review B 76 (18), 184513, 2007
Scheme for steady-state preparation of a harmonic oscillator in the first excited state
K B°rkje
Physical Review A 90 (2), 023806, 2014
Instanton correlators and phase transitions in two-and three-dimensional logarithmic plasmas
K B°rkje, S Kragset, A Sudb°
Physical Review B 71 (8), 085112, 2005
Critical quantum fluctuations and photon antibunching in optomechanical systems with large single-photon cooperativity
K B°rkje
Physical Review A 101 (5), 053833, 2020
Two-Brane Randall-Sundrum Model in AdS 5 and dS 5
I Brevik, K B°rkje, JP Morten
General Relativity and Gravitation 36, 2021-2038, 2004
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