Position-dependent oscillated decay of a two-level atom immersed in a two-dimensional photon fluid

Zhang, Xiongfeng; Yin, Mingli; Liang, Wenyao

doi:10.1016/j.optcom.2015.09.064

Cited by 1 publication

(1 citation statement)

References 29 publications

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“…There are a few outlandish theoretical proposals to combine photon BEC with quantum optomechanics [74,75] or atomic BEC [76,77] but, while not technically impossible, it is unlikely that anyone will go to the effort to implement the ideas experimentally.…”

Section: Suggestions For Alternative Systems For Photon Condensationmentioning

confidence: 99%

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

Nyman

Walker

2017

Journal of Modern Optics

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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. FOREWORDThis article is written in memory of Danny Segal, who was a colleague of one of us (Rob Nyman) in the Quantum Optics and Laser Science group at Imperial College for many years. The topic of this article touches on the subject of dye lasers, the stuff of nightmares for any AMO physicist of his generation, but a stronger connection to Danny is that he was very supportive of my application for the fellowship that pushed my career forward, and funded this research. One of Danny's quirks was a strong dislike of flying. As a consequence, I had the pleasure of joining him on a 24 hour, four-train journey from London to Italy to a conference. That's a lot of time for story telling and forging memories for life. Danny was one of the good guys, and I sorely miss his good humour and advice.This article presents a gentle introduction to thermalization and Bose-Einstein condensation (BEC) of photons in dye-filled microcavities, followed by a review of the state of the art. We then note the similarity to microlasers, particularly when there are very few photons involved. We compare a simple non-equilibrium model for microlasers with an even simpler thermal equilibrium model for BEC and show that the models coincide for similar values of a 'smallness' parameter.

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Section: Suggestions For Alternative Systems For Photon Condensationmentioning

confidence: 99%

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

Nyman

Walker

2017

Journal of Modern Optics

View full text Add to dashboard Cite

show abstract

Position-dependent oscillated decay of a two-level atom immersed in a two-dimensional photon fluid

Cited by 1 publication

References 29 publications

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

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

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