Conditional non-Gaussian quantum state preparation
arXiv:2008.10504 · doi:10.1103/PRXQuantum.1.020305
Abstract
We develop a general formalism, based on the Wigner function representation of continuous-variable quantum states, to describe the action of an arbitrary conditional operation on a multimode Gaussian state. We apply this formalism to several examples, thus showing its potential as an elegant analytical tool for simulating quantum optics experiments. Furthermore, we also use it to prove that EPR steering is a necessary requirement to remotely prepare a Wigner-negative state.
arXiv comment12 pages, 3 figures
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