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Open Quantum Systems Decoherence Photonic Quantum Computing

Critical behaviour of coherence and correlation of counterpropagating twin beams

arXiv

Authors: Tommaso Corti, Enrico Brambilla, Alessandra Gatti

Year

2015

Paper ID

26107

Status

Preprint

Abstract Read

~2 min

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Abstract

This work analyses the temporal coherence and correlation of twin beams generated in a quasi-phase matched nonlinear crystal in a counterpropagating configuration, ranging from the low-gain regime, where counterpropagating photon pairs are generated spontaneously, to the regime of stimulated pair production, close to the MOPO (Mirrorless Optical Parametric Oscillator) threshold. Here we show a critical divergence of the correlation time and slowing down of quantum fluctuations originating from the feedback mechanism responsible of the MOPO threshold.

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This work analyses the temporal coherence and correlation of twin beams generated in a quasi-phase matched nonlinear crystal in a counterpropagating configuration, ranging from...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1511.04910 [2] arXiv https://arxiv.org/abs/1511.04910 [3] Publisher https://arxiv.org/abs/1511.04910

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