Practical Framework for Conditional Non-Gaussian Quantum State Preparation

Mattia Walschaers

doi:10.1103/PRXQuantum.1.020305

2020-10-22

Mattia Walschaers *

Parigi, Valentina

Nicolas Treps

DOI：10.1103/PRXQuantum.1.020305

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摘要

En 中文

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 Einstein-Podolsky-Rosen steering is a necessary requirement to remotely prepare a Wigner-negative state.

Keyword:

SQUEEZED STATES

COHERENT STATES

ENTANGLEMENT

GENERATION

NOISE

LIGHT

INFORMATION

SUBTRACTION

CRITERION

SYSTEMS

期刊

PRX Quantum

IF:

论文数:

919

被引数:

9.0K

机构

Universite PSL

学者数:

3.3W

论文数: 2.5W

被引数: 91

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