dorsal/arxiv
View SchemaExperimental Tailoring of a Three-Level Lambda System in Tm3+:YAG
| Authors | Frédéric De Seze, Anne Louchet, Vincent Crozatier, Ivan Lorgeré, Fabien Bretenaker, Jean-Louis Le Gouët, Olivier Guillot-Noël, Philippe Goldner |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0509099 |
| URL | https://arxiv.org/abs/quant-ph/0509099 |
| DOI | 10.1103/PhysRevB.73.085112 |
| Journal | Phys. Rev. B 73, 085112 (2006) |
Abstract
Quantum information transfer from light to atom ensembles and vice versa has both basic and practical importance. Among the relevant topics let us mention entanglement and decoherence of macroscopic systems, together with applications to quantum memory for long distance quantum cryptography. Although the first experimental demonstrations have been performed in atomic vapors and clouds, rare earth ion doped crystals are also interesting media for such processes. In this paper we address Tm3+ ions capability to behave as three-level lambda systems, a key ingredient to convert optical excitation into a spontaneous- emission-free spin wave. Indeed Tm3+ falls within reach of light sources that can be stabilized easily to the required degree. In the absence of zero-field hyperfine structure we apply an external magnetic field to lift the nuclear spin degeneracy in Tm3+:YAG. We experimentally determine the gyromagnetic tensor components with the help of spectral hole-burning techniques. Then appropriate orientation of the applied field enables us to optimize the transition probability ratio along the two legs of the lambda. The resulting three-level lambda system should suit quantum information processing requirements.
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"abstract": "Quantum information transfer from light to atom ensembles and vice versa has\nboth basic and practical importance. Among the relevant topics let us mention\nentanglement and decoherence of macroscopic systems, together with applications\nto quantum memory for long distance quantum cryptography. Although the first\nexperimental demonstrations have been performed in atomic vapors and clouds,\nrare earth ion doped crystals are also interesting media for such processes. In\nthis paper we address Tm3+ ions capability to behave as three-level lambda\nsystems, a key ingredient to convert optical excitation into a spontaneous-\nemission-free spin wave. Indeed Tm3+ falls within reach of light sources that\ncan be stabilized easily to the required degree. In the absence of zero-field\nhyperfine structure we apply an external magnetic field to lift the nuclear\nspin degeneracy in Tm3+:YAG. We experimentally determine the gyromagnetic\ntensor components with the help of spectral hole-burning techniques. Then\nappropriate orientation of the applied field enables us to optimize the\ntransition probability ratio along the two legs of the lambda. The resulting\nthree-level lambda system should suit quantum information processing\nrequirements.",
"arxiv_id": "quant-ph/0509099",
"authors": [
"Fr\u00e9d\u00e9ric De Seze",
"Anne Louchet",
"Vincent Crozatier",
"Ivan Lorger\u00e9",
"Fabien Bretenaker",
"Jean-Louis Le Gou\u00ebt",
"Olivier Guillot-No\u00ebl",
"Philippe Goldner"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevB.73.085112",
"journal_ref": "Phys. Rev. B 73, 085112 (2006)",
"title": "Experimental Tailoring of a Three-Level Lambda System in Tm3+:YAG",
"url": "https://arxiv.org/abs/quant-ph/0509099"
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