Experimentally observed field-gas interaction in intense optical lattices

Jacob S. Graul; Barry M. Cornella; Andrew D. Ketsdever; Taylor C. Lilly; Mikhail N. Shneider

doi:10.1063/1.4848781

Experimentally observed field-gas interaction in intense optical lattices

Jacob S. Graul, Barry M. Cornella, Andrew D. Ketsdever, Taylor C. Lilly, Mikhail N. Shneider

Mechanical & Aerospace Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

When a gas perturbed by a laser interference pattern, an optical lattice, exhibits a periodic modulation of its refractive index, strong Bragg diffraction of the perturbing light can occur. This scattering reduces the field's ability to further manipulate the gas. Experimental observations of Bragg scattering, evidence of a two-way coupling, are compared to the evolution of the light fields calculated by solutions to the wave equation. Comparison indicates momentum deposition as a prime contributor to the shape of the scattering function vs. lattice velocity, a rationale further supported through additional direct simulation Monte Carlo simulation.

Original language	English (US)
Article number	244106
Journal	Applied Physics Letters
Volume	103
Issue number	24
DOIs	https://doi.org/10.1063/1.4848781
State	Published - Dec 9 2013

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.4848781

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title = "Experimentally observed field-gas interaction in intense optical lattices",

abstract = "When a gas perturbed by a laser interference pattern, an optical lattice, exhibits a periodic modulation of its refractive index, strong Bragg diffraction of the perturbing light can occur. This scattering reduces the field's ability to further manipulate the gas. Experimental observations of Bragg scattering, evidence of a two-way coupling, are compared to the evolution of the light fields calculated by solutions to the wave equation. Comparison indicates momentum deposition as a prime contributor to the shape of the scattering function vs. lattice velocity, a rationale further supported through additional direct simulation Monte Carlo simulation.",

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AU - Graul, Jacob S.

AU - Cornella, Barry M.

AU - Ketsdever, Andrew D.

AU - Lilly, Taylor C.

AU - Shneider, Mikhail N.

PY - 2013/12/9

Y1 - 2013/12/9

N2 - When a gas perturbed by a laser interference pattern, an optical lattice, exhibits a periodic modulation of its refractive index, strong Bragg diffraction of the perturbing light can occur. This scattering reduces the field's ability to further manipulate the gas. Experimental observations of Bragg scattering, evidence of a two-way coupling, are compared to the evolution of the light fields calculated by solutions to the wave equation. Comparison indicates momentum deposition as a prime contributor to the shape of the scattering function vs. lattice velocity, a rationale further supported through additional direct simulation Monte Carlo simulation.

AB - When a gas perturbed by a laser interference pattern, an optical lattice, exhibits a periodic modulation of its refractive index, strong Bragg diffraction of the perturbing light can occur. This scattering reduces the field's ability to further manipulate the gas. Experimental observations of Bragg scattering, evidence of a two-way coupling, are compared to the evolution of the light fields calculated by solutions to the wave equation. Comparison indicates momentum deposition as a prime contributor to the shape of the scattering function vs. lattice velocity, a rationale further supported through additional direct simulation Monte Carlo simulation.

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IS - 24

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Experimentally observed field-gas interaction in intense optical lattices

Abstract

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