dorsal/arxiv
View SchemaGradient Echo Quantum Memory for Light using Two-level Atoms
| Authors | G. Hétet, J. J. Longdell, A. L. Alexander, P. K. Lam, M. J. Sellars |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0612169 |
| URL | https://arxiv.org/abs/quant-ph/0612169 |
| DOI | 10.1103/PhysRevLett.100.023601 |
Abstract
We propose a quantum memory for light that is analogous to the NMR gradient echo. Our proposal is ideally perfectly efficient and provides simplifications to current 3-level quantum memory schemes based on controlled inhomogeneous broadening. Our scheme does not require auxiliary light fields. Instead the input optical pulse interacts only with two-level atoms that have linearly increasing Stark shifts. By simply reversing the sign of the atomic Stark shifts, the pulse is retrieved in the forward direction. We present analytical, numerical and experimental results of this scheme. We report experimental efficiencies of up to 15% and suggest simple realizable improvements to significantly increase the efficiency.
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"abstract": "We propose a quantum memory for light that is analogous to the NMR gradient\necho. Our proposal is ideally perfectly efficient and provides simplifications\nto current 3-level quantum memory schemes based on controlled inhomogeneous\nbroadening. Our scheme does not require auxiliary light fields. Instead the\ninput optical pulse interacts only with two-level atoms that have linearly\nincreasing Stark shifts. By simply reversing the sign of the atomic Stark\nshifts, the pulse is retrieved in the forward direction. We present analytical,\nnumerical and experimental results of this scheme. We report experimental\nefficiencies of up to 15% and suggest simple realizable improvements to\nsignificantly increase the efficiency.",
"arxiv_id": "quant-ph/0612169",
"authors": [
"G. H\u00e9tet",
"J. J. Longdell",
"A. L. Alexander",
"P. K. Lam",
"M. J. Sellars"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevLett.100.023601",
"title": "Gradient Echo Quantum Memory for Light using Two-level Atoms",
"url": "https://arxiv.org/abs/quant-ph/0612169"
},
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