Sample size effects for Lévy flight of photons in atomic vapors

Macedo, A. S. M.; Lopez, J. P.; Silans, Thierry Passerat de

doi:10.1103/physreve.104.054143

Cited by 3 publications

(1 citation statement)

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“…Many of the work-horse techniques of contemporary atomic physics experiments were first demonstrated in hot vapours, such as: coherent population trapping [1]; electromagnetically induced transparency [2]; and slow light [3]. Important experimental breakthroughs were also demonstrated with hot vapours, such as: the demonstration of quantum memory for light [4][5][6]; continuous-variable entanglement [7]; quantum metrology with nonclassical states of atomic ensembles [8]; realising fluids of light [9,10]; deterministic quantum teleportation between distant atomic objects [11]; orbital angular momentum transfer [12][13][14][15][16]; coherent frequency up-conversion [17,18]; an atomic compass [19,20]; and photon diffusion [21][22][23][24][25].…”

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Laser spectroscopy of hot atomic vapours: from ’scope to theoretical fit

et al. 2022

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The spectroscopy of hot atomic vapours is a hot topic. Many of the work-horse techniques of contemporary atomic physics were first demonstrated in hot vapours. Alkali-metal atomic vapours are ideal media for quantum-optics experiments as they combine: a large resonant optical depth; long coherence times; and well-understood atom-atom interactions. These features aid with the simplicity of both the experimental set up and the theoretical framework. The topic attracts much attention as these systems are ideal for studying both fundamental physics and has numerous applications, especially in sensing electromagnetic fields and quantum technology. This tutorial reviews the necessary theory to understand the Doppler broadened absorption spectroscopy of alkali-metal atoms, and explains the data taking and processing necessary to compare theory and experiment. The aim is to provide a gentle introduction to novice scientists starting their studies of the spectroscopy of thermal vapours whilst also calling attention to the application of these ideas in the contemporary literature. In addition, the work of expert practitioners in the field is highlighted, explaining the relevance of three extensively-used software packages that complement the presentation herein.

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