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Trapped Ion Quantum Computing Quantum Thermodynamics

Bose-Einstein condensation of photons from the thermodynamic limit to small photon numbers

arXiv

Authors: Robert A. Nyman, Benjamin T. Walker

Year

2017

Paper ID

44909

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

Photons can come to thermal equilibrium at room temperature by scattering multiple times from a fluorescent dye. By confining the light and dye in a microcavity, a minimum energy is set and the photons can then show Bose-Einstein condensation. We present here the physical principles underlying photon thermalization and condensation, and review the literature on the subject. We then explore the `small' regime where very few photons are needed for condensation. We compare thermal equilibrium results to a rate-equation model of microlasers, which includes spontaneous emission into the cavity, and we note that small systems result in ambiguity in the definition of threshold.

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Photons can come to thermal equilibrium at room temperature by scattering multiple times from a fluorescent dye.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1706.09645 [2] arXiv https://arxiv.org/abs/1706.09645 [3] Publisher https://arxiv.org/abs/1706.09645

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