Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Frontiers in Optics

Time Dependent Light Dynamics in Ultracold Atomic 87Rb

Salim Balik, Oguz Er, Charles I. Sukenik, Mark D. Havey, V. M. Datsyuk, Igor M. Sokolov, Dmitriy V. Kupriyanov

Published Jan 1, 2006• 0 citations
Publisher

Abstract

Proximity of the light localization threshold can be detected through time evolution of forward or diffusely scattered light. We report experimental and theoretical results of time-dependent light scattering (F=1-F'=0) in dense, ultracold 87Rb.
DOI
10.1364/ls.2006.ltuk6

Related papers

Alignment dynamics of slow light diffusion in ultracold atomic Rb85

Salim Balik, R. G. Olave, Charles I. Sukenik +4 more

A combined experimental and theoretical investigation of time- and alignment-dependent propagation of light in an ultracold atomic gas of atomic $^{85}\mathrm{Rb}$ is reported. Coherences among the scattering amplitudes for light scattering off excited hyperfine levels produce strong variations of the light polarization in the vicinity of atomic resonance. Measurements are in excellent agreement with Monte Carlo simulations of the multiple scattering process.

arXiv:1412.3516•Physical Review A•Nov 3, 2005•17 citations

Alignment Dynamics of Slow Light Diffusion in Ultracold Atomic 85Rb

Salim Balik, R. G. Olave, Charles I. Sukenik +4 more

We report experimental and theoretical study of time-and polarization-dependent propagation of light in ultracold atomic Rb. Strong variations of the time-dependent electronic alignment in the vicinity of atomic resonance is measured.

Frontiers in Optics•Jan 1, 2005•2 citations

Spectral dependence of diffuse light dynamics in ultracold atomic85Rb

S. Balik, R. Olave, Charles I. Sukenik +4 more

We report a combined experimental and theoretical simulation of multiply scattered light dynamics in an ultracold gas of 85Rb atoms. Measurements of the spectral dependence of the time-decay of the scattered light intensity, following pulsed excitation with near resonance radiation, reveals that the decay for long times is nearly exponential, with a decay constant that is largely independent of detuning from resonance. Monte Carlo simulations of the multiple scattering process show that, for large detunings, near resonance scattering of Fourier components of the excitation pulse plays a significant role in the effect. This interpretation is supported by the observations, and successful modelling, of beating between Rayleigh scattered light at the excitation carrier frequency with the Fourier components of the excitation pulse that overlap significantly with the atomic resonance.

arXiv:1501.03557•Journal of Modern Optics•Oct 25, 2006•0 citations

Coherent backscattering of light from ultracold and optically dense atomic ensembles

Dmitriy V. Kupriyanov, Igor M. Sokolov, Charles I. Sukenik +1 more

We review experimental and theoretical studies of coherent backscattering of near resonant radiation from an ultracold atomic gas in the weak localization regime. Recent accomplishments in high resolution spectroscopy of atomic ensembles based on the coherent backscattering process are discussed. We also propose several new experimental schemes for time-dependent spectroscopy as applied to multiple scattering in the regime of weak localization.

arXiv:1701.06714•Laser Physics Letters•Sep 26, 2005•44 citations

Emergence of Collective Light Scattering in Atomic 87Rb Samples

Kasie Kemp

Over the past half century, atomic ensembles have been used to create sensors, clocks, and quantum information systems. As these devices become more compact, and as the number of atoms increases to improve the sensitivity for detection, the atomic samples are increasing in density and optical depth. As such, the spectroscopic properties of the atomic media are modified due to interactions among the particles in the ensemble. We report investigation of near-resonance light scattering from a cold atomic sample of 87Rb. Initially prepared in a magneto-optical trap, the atoms are loaded into a far-off-resonance optical dipole trap (FORT) in which the ensemble has a temperature near 100 mK and initial Gaussian radii of approximately 3 mm and 280 mm in the transverse and longitudinal directions, respectively. With atomic densities in the range of 1010 - 1013 atoms/cm3, measurements are made on the F=2 -> F'=3 nearly closed hyperfine transition. The experimental geometry consists of projecting a near-resonance collimated laser beam onto the entire volume of the FORT and detecting the diffusely scattered light. The measured scattered light intensity as a function of detuning, atomic number, and sample size suggests that collective light scattering depends on the optical depth of the system.

•Jan 1, 2016•0 citations

Near-resonance light scattering from a high-density ultracold atomic 87 Rb gas

Salim Balik, Aye Win, Mark D. Havey +2 more

We report a combined experimental and theoretical investigation of near-resonance light scattering from a high-density and ultracold atomic ${}^{87}$Rb gas. The atomic sample, having a peak density $\ensuremath{\sim}$$5\ifmmode\times\else\texttimes\fi{}{10}^{13}$ atoms/cm${}^{3}$, temperature $\ensuremath{\sim}$65 $\ensuremath{\mu}$K, and initially prepared in the $F=1$ lower-energy ${}^{87}$Rb hyperfine component, is optically pumped to the higher-energy $F=2$ hyperfine level. Measurements are made of the transient hyperfine pumping process and of the time evolution of scattering of near-resonance probe radiation on the $F=2\ensuremath{\rightarrow}{F}^{\ensuremath{'}}=3$ transition. Features of the density, detuning, and temporal dependence of the signals are attributed to the high density and consequent large optical depth of the samples.

arXiv:0909.1133•Physical Review A•May 13, 2013•78 citations
A combined experimental and theoretical investigation of time- and alignment-dependent propagation of light in an ultracold atomic gas of atomic 85Rb^{85}\mathrm{Rb}85Rb is reported. Coherences among the scattering amplitudes for light scattering off excited hyperfine levels produce strong variations of the light polarization in the vicinity of atomic resonance. Measurements are in excellent agreement with Monte Carlo simulations of the multiple scattering process.
We report a combined experimental and theoretical simulation of multiply scattered light dynamics in an ultracold gas of 85Rb atoms. Measurements of the spectral dependence of the time-decay of the scattered light intensity, following pulsed excitation with near resonance radiation, reveals that the decay for long times is nearly exponential, with a decay constant that is largely independent of detuning from resonance. Monte Carlo simulations of the multiple scattering process show that, for large detunings, near resonance scattering of Fourier components of the excitation pulse plays a significant role in the effect. This interpretation is supported by the observations, and successful modelling, of beating between Rayleigh scattered light at the excitation carrier frequency with the Fourier components of the excitation pulse that overlap significantly with the atomic resonance.
Over the past half century, atomic ensembles have been used to create sensors, clocks, and quantum information systems. As these devices become more compact, and as the number of atoms increases to improve the sensitivity for detection, the atomic samples are increasing in density and optical depth. As such, the spectroscopic properties of the atomic media are modified due to interactions among the particles in the ensemble. We report investigation of near-resonance light scattering from a cold atomic sample of 87Rb. Initially prepared in a magneto-optical trap, the atoms are loaded into a far-off-resonance optical dipole trap (FORT) in which the ensemble has a temperature near 100 mK and initial Gaussian radii of approximately 3 mm and 280 mm in the transverse and longitudinal directions, respectively. With atomic densities in the range of 1010 - 1013 atoms/cm3, measurements are made on the F=2 -> F'=3 nearly closed hyperfine transition. The experimental geometry consists of projecting a near-resonance collimated laser beam onto the entire volume of the FORT and detecting the diffusely scattered light. The measured scattered light intensity as a function of detuning, atomic number, and sample size suggests that collective light scattering depends on the optical depth of the system.
We report a combined experimental and theoretical investigation of near-resonance light scattering from a high-density and ultracold atomic 87{}^{87}87Rb gas. The atomic sample, having a peak density $\ensuremath{\sim}$$5\ifmmode\times\else\texttimes\fi{}{10}^{13}$ atoms/cm3{}^{3}3, temperature $\ensuremath{\sim}$65 $\ensuremath{\mu}$K, and initially prepared in the F=1F=1F=1 lower-energy 87{}^{87}87Rb hyperfine component, is optically pumped to the higher-energy F=2F=2F=2 hyperfine level. Measurements are made of the transient hyperfine pumping process and of the time evolution of scattering of near-resonance probe radiation on the $F=2\ensuremath{\rightarrow}{F}^{\ensuremath{'}}=3$ transition. Features of the density, detuning, and temporal dependence of the signals are attributed to the high density and consequent large optical depth of the samples.