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Open Quantum Systems Decoherence

A Passive mathcal{PT}-Symmetric Floquet-Coupler

arXiv

Authors: Lucas Teuber, Florian Morawetz, Stefan Scheel

Year

2020

Paper ID

18190

Status

Preprint

Abstract Read

~2 min

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Abstract

Based on a Liouville-space formulation of open systems, we present a solution to the quantum master equation of two coupled optical waveguides with varying loss. The periodic modulation of the Markovian loss of one of them yields a passive mathcal{PT}-symmetric Floquet system that, at resonance, shows a strong reduction of the required loss for the mathcal{PT} symmetry to be broken. We showcase this transition for a multi-photon state, and we show how to physically implement the modulated loss with reservoir engineering of a set of bath modes.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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Based on a Liouville-space formulation of open systems, we present a solution to the quantum master equation of two coupled optical waveguides with varying loss.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2012.11991 [2] arXiv https://arxiv.org/abs/2012.11991 [3] Publisher https://arxiv.org/abs/2012.11991

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