Freiburg 2019 – wissenschaftliches Programm

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FM: Fall Meeting

FM 8: Enabling Technologies: Sources of Quantum States of Light I

FM 8.5: Talk

Montag, 23. September 2019, 15:15–15:30, 1010

Heralded dissipative preparation of nonclassical states in a Kerr oscillator — •Martin Koppenhöfer, Christoph Bruder, and Niels Lörch — Department of Physics, University of Basel, Basel, Switzerland

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 pseudo-steady 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.

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DPG-Physik > DPG-Verhandlungen > 2019 > Freiburg