Responsibilities
I am a member of the Quantum Technology research group.
Research interests:
- Quantum effects at meso- and macroscopic scales
- Entanglement witnesses and other measures of nonclassicality
- Quantum optomechanics
- Superconducting quantum circuits
- Many-particle systems and quantum field theory
CV
Experience
- 2018- Professor, University of South-Eastern Norway
- 2017-2018 Professor, University College of Southeast Norway
- 2017-2017 Associate professor, University College of Southeast Norway
- 2015-2016 Associate professor, Royal Norwegian Naval Academy
- 2014-2015 Postdoc, University of Oslo
- 2012-2014 Postdoc, Niels Bohr Institute
- 2009-2012 Postdoc, Yale University
Education
- 2008 PhD, physics, Norwegian University of Science and Technology
- 2003 Siv.ing. (MSc), physics and mathematics, Norwegian University of Science and Technology
Publications
Selected publications
- Single-photon optomechanics,
A. Nunnenkamp, K. Børkje, S. M. Girvin, Phys. Rev. Lett. 107, 063602 (2011) - Proposal for entangling remote micromechanical oscillators via optical measurements,
K. Børkje, A. Nunnenkamp, S. M. Girvin, Phys. Rev. Lett. 107, 123601 (2011) - Cooling and squeezing via quadratic optomechanical coupling,
A. Nunnenkamp, K. Børkje, J. G. E. Harris, S. M. Girvin, Phys. Rev. A 82, 021806 (2010) - Signatures of nonlinear cavity optomechanics in the weak coupling regime,
K. Børkje, A. Nunnenkamp, J. D. Teufel, S. M. Girvin, Phys. Rev. Lett. 111, 053603 (2013) - Ground state cooling of mechanical motion in the unresolved sideband regime by use of optomechanically induced transparency,
T. Ojanen, K. Børkje, Phys. Rev. A 90, 013824 (2014) - Heterodyne photodetection measurements on cavity optomechanical systems: Interpretation of sideband asymmetry and limits to a classical explanation,
K. Børkje, Phys. Rev. A 94, 043816 (2016)
See more at Google Scholar