dorsal/arxiv
View SchemaTheory of slow-light solitons
| Authors | A. V. Rybin, I. P. Vadeiko, A. R. Bishop |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0504096 |
| URL | https://arxiv.org/abs/quant-ph/0504096 |
| DOI | 10.1103/PhysRevE.72.026613 |
Abstract
In the framework of the nonlinear $\Lambda$-model we investigate propagation of solitons in atomic vapors and Bose-Einstein condensates. We show how the complicated nonlinear interplay between fast solitons and slow-light solitons in the $\Lambda$-type media points to the possibility to create optical gates and, thus, to control the optical transparency of the $\Lambda$-type media. We provide an exact analytic description of decelerating, stopping and re-accelerating of slow-light solitons in atomic media in the nonadiabatic regime. Dynamical control over slow-light solitons is realized via a controlling field generated by an auxiliary laser. For a rather general time dependence of the field; we find the dynamics of the slow-light soliton inside the medium. We provide an analytical description for the nonlinear dependence of the velocity of the signal on the controlling field. If the background field is turned off at some moment of time, the signal stops. We find the location and shape of the spatially localized memory bit imprinted into the medium. We discuss physically interesting features of our solution, which are in a good agreement with recent experiments.
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"abstract": "In the framework of the nonlinear $\\Lambda$-model we investigate propagation\nof solitons in atomic vapors and Bose-Einstein condensates. We show how the\ncomplicated nonlinear interplay between fast solitons and slow-light solitons\nin the $\\Lambda$-type media points to the possibility to create optical gates\nand, thus, to control the optical transparency of the $\\Lambda$-type media. We\nprovide an exact analytic description of decelerating, stopping and\nre-accelerating of slow-light solitons in atomic media in the nonadiabatic\nregime. Dynamical control over slow-light solitons is realized via a\ncontrolling field generated by an auxiliary laser. For a rather general time\ndependence of the field; we find the dynamics of the slow-light soliton inside\nthe medium. We provide an analytical description for the nonlinear dependence\nof the velocity of the signal on the controlling field. If the background field\nis turned off at some moment of time, the signal stops. We find the location\nand shape of the spatially localized memory bit imprinted into the medium. We\ndiscuss physically interesting features of our solution, which are in a good\nagreement with recent experiments.",
"arxiv_id": "quant-ph/0504096",
"authors": [
"A. V. Rybin",
"I. P. Vadeiko",
"A. R. Bishop"
],
"categories": [
"quant-ph"
],
"doi": "10.1103/PhysRevE.72.026613",
"title": "Theory of slow-light solitons",
"url": "https://arxiv.org/abs/quant-ph/0504096"
},
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