All-Optical Delay of Images using Slow Light

Camacho, Ryan M.; Broadbent, Curtis J.; Ali-Khan, I.; Howell, John C.

doi:10.1103/physrevlett.98.043902

Cited by 97 publications

(55 citation statements)

References 20 publications

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“…[32]. In related work such storage of multimode memory has recently been achieved in atomic ensembles using electromagnetically induced transparency [33].…”

Section: B Extreme Paraxial Approximationmentioning

confidence: 99%

Three-dimensional theory for light-matter interaction

Sørensen

2008

Phys. Rev. A

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We present a full quantum mechanical three dimensional theory describing an electromagnetic field interacting with an ensemble of identical atoms. The theory is constructed such that it describes recent experiments on light-matter quantum interfaces, where the quantum fluctuations of light are mapped onto the atoms and back onto light. We show that the interaction of the light with the atoms may be separated into a mean effect of the ensemble and a deviation from the mean. The mean effect of the interaction effectively give rise to an index of refraction of the gas. We formally change to a dressed state picture, where the light modes are solutions to the diffraction problem, and develop a perturbative expansion in the fluctuations. The fluctuations are due to quantum fluctuations as well as the random positions of the atoms. In this perturbative expansion we show how the quantum fluctuations are mapped between atoms and light while the random positioning of the atoms give rise to decay due to spontaneous emission. Furthermore we identify limits, where the full three dimensional theory reduce to the one dimensional theory typically used to describe the interaction.

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“…[32]. In related work such storage of multimode memory has recently been achieved in atomic ensembles using electromagnetically induced transparency [33].…”

Section: B Extreme Paraxial Approximationmentioning

confidence: 99%

Three-dimensional theory for light-matter interaction

Sørensen

2008

Phys. Rev. A

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“…Alloptical methods for delaying images have great potential in many applications, including holography and optical pattern correlation measurements or futuristic all-optical image routers for large capacity image information. The first experimental demonstration of an all-optical image delay was reported in Cs atoms [11]. The storage and retrieval of a transverse image in an atomic vapor was demonstrated using a technique based on EIT [12,13].…”

Section: Introductionmentioning

confidence: 99%

Fourier Analysis of Slow and Fast Image Propagation through Single and Coupled Image Resonators

Sultana

Matsumoto

Tomita

2012

International Journal of Optics

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We applied Fourier space analysis to a comprehensive study of the propagation of pulsed two-dimensional images through single and coupled image resonators. The Fourier method shows that the image can propagate through the resonator successfully as long as the spatial and temporal Fourier components of the image are within the bandwidth of the amplitude and phase transfer functions. The relevant steep dispersion of the cavity can yield delayed or advanced images. The Fourier method reproduces characteristic aspects of the experimental observations of the image propagation, and also predicts new aspects, such as the spatial image profile dependence on the observation time and the coupling strength. To demonstrate the time evolution of the experiment, space-and time-resolved image propagations were performed using a streak camera.

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“…It can be observed in a broad range of different systems, including materials with strong dispersion [1], sometimes enhanced by electromagnetically induced transparency [2], and photonic nanostructures without substantial material dispersion [3 -6], such as linear arrays of coupled resonators or photonic crystal waveguides. Given this diversity of approaches, slow light is a good example of an optical system in which understanding broad limits to performance is particularly important.…”

Section: Fundamental Limit To Linear One-dimensional Slow Light Strucmentioning

confidence: 99%

Fundamental Limit to Linear One-Dimensional Slow Light Structures

Miller¹

2007

Phys. Rev. Lett.

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Using a new general approach to limits in optical structures that counts orthogonal waves generated by scattering, we derive an upper limit to the number of bits of delay possible in one-dimensional slow light structures that are based on linear optical response to the signal field. The limit is essentially the product of the length of the structure in wavelengths and the largest relative change in dielectric constant anywhere in the structure at any frequency of interest. It holds for refractive index, absorption or gain variations with arbitrary spectral or spatial form. It is otherwise completely independent of the details of the structure's design, and does not rely on concepts of group velocity or group delay

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All-Optical Delay of Images using Slow Light

Cited by 97 publications

References 20 publications

Three-dimensional theory for light-matter interaction

Three-dimensional theory for light-matter interaction

Fourier Analysis of Slow and Fast Image Propagation through Single and Coupled Image Resonators

Fundamental Limit to Linear One-Dimensional Slow Light Structures

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