dorsal/arxiv
View SchemaCoherent backscattering of light by atoms in the saturated regime
| Authors | T. Wellens, B. Gremaud, D. Delande, C. Miniatura |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0403057 |
| URL | https://arxiv.org/abs/quant-ph/0403057 |
| DOI | 10.1103/PhysRevA.70.023817 |
Abstract
We present the first calculation of coherent backscattering with inelastic scattering by saturated atoms. We consider the scattering of a quasi-monochromatic laser pulse by two distant atoms in free space. By restricting ourselves to scattering of two photons, we employ a perturbative approach, valid up to second order in the incident laser intensity. The backscattering enhancement factor is found to be smaller than two (after excluding single scattering), indicating a loss of coherence between the doubly scattered light emitted by both atoms. Since the undetected photon carries information about the path of the detected photon, the coherence loss can be explained by a which-path argument, in analogy with a double-slit experiment.
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"abstract": "We present the first calculation of coherent backscattering with inelastic\nscattering by saturated atoms. We consider the scattering of a\nquasi-monochromatic laser pulse by two distant atoms in free space. By\nrestricting ourselves to scattering of two photons, we employ a perturbative\napproach, valid up to second order in the incident laser intensity. The\nbackscattering enhancement factor is found to be smaller than two (after\nexcluding single scattering), indicating a loss of coherence between the doubly\nscattered light emitted by both atoms. Since the undetected photon carries\ninformation about the path of the detected photon, the coherence loss can be\nexplained by a which-path argument, in analogy with a double-slit experiment.",
"arxiv_id": "quant-ph/0403057",
"authors": [
"T. Wellens",
"B. Gremaud",
"D. Delande",
"C. Miniatura"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevA.70.023817",
"title": "Coherent backscattering of light by atoms in the saturated regime",
"url": "https://arxiv.org/abs/quant-ph/0403057"
},
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