Heralded dissipative preparation of nonclassical states in a Kerr oscillator

Koppenhöfer, Martin and Bruder, Christoph and Lörch, Niels. (2020) Heralded dissipative preparation of nonclassical states in a Kerr oscillator. Physical Review Research, 2 (1). 013071.

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We present a heralded state preparation scheme for driven nonlinear open quantum systems. The protocol is based on a continuous photon counting measurement of the system's decay channel. When no photons are detected for a period of time, the system has relaxed to a measurement-induced pseudosteady state. We illustrate the protocol by the creation of states with a negative Wigner function in a Kerr oscillator, a system whose unconditional steady state is strictly positive.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik (Bruder)
UniBasel Contributors:Bruder, Christoph and Koppenhöfer, Martin
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:14 Apr 2021 12:12
Deposited On:14 Apr 2021 12:12

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