Search Results - "Kwong, N. H."

Relation between the interband dipole and momentum matrix elements in semiconductors by Gu, B., Kwong, N. H., Binder, R.

“…It is shown that a frequently used relation between the interband momentum and dipole matrix elements (shortened to the "p-r relation") in semiconductors…”
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Optically Controlled Orbital Angular Momentum Generation in a Polaritonic Quantum Fluid by Luk, S M H, Kwong, N H, Lewandowski, P, Schumacher, S, Binder, R

“…Applications of the orbital angular momentum (OAM) of light range from the next generation of optical communication systems to optical imaging and optical…”
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Real-time kadanoff-baym approach to plasma oscillations in a correlated electron Gas by Kwong, N, Bonitz, M

“…A nonequilibrium Green's functions approach to the collective response of correlated Coulomb systems at finite temperatures is presented. It is shown that…”
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Formation and control of Turing patterns in a coherent quantum fluid by Ardizzone, Vincenzo, Lewandowski, Przemyslaw, Luk, M. H., Tse, Y. C., Kwong, N. H., Lücke, Andreas, Abbarchi, Marco, Baudin, Emmanuel, Galopin, Elisabeth, Bloch, Jacqueline, Lemaitre, Aristide, Leung, P. T., Roussignol, Philippe, Binder, Rolf, Tignon, Jerome, Schumacher, Stefan

“…Nonequilibrium patterns in open systems are ubiquitous in nature, with examples as diverse as desert sand dunes, animal coat patterns such as zebra stripes, or…”
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Electromagnetically induced transparency in semiconductors via biexciton coherence by Phillips, Mark C, Wang, Hailin, Rumyantsev, I, Kwong, N H, Takayama, R, Binder, R

“…We report an experimental demonstration and theoretical analysis of electromagnetically induced transparency in a GaAs quantum well, in which the absorption of…”
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A population-competition model for analyzing transverse optical patterns including optical control and structural anisotropy by Tse, Y C, Chan, Chris K P, Luk, M H, Kwong, N H, Leung, P T, Binder, R, Schumacher, Stefan

“…We present a detailed study of a low-dimensional population-competition (PC) model suitable for analysis of the dynamics of certain modulational instability…”
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Transverse optical patterns for ultra-low-light-level all-optical switching by Dawes, A.M.C., Gauthier, D.J., Schumacher, S., Kwong, N.H., Binder, R., Smirl, A.L.

“…We review recent theoretical and experimental efforts toward developing an all‐optical switch based on transverse optical patterns. Transverse optical patterns…”
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Low intensity directional switching of light in semiconductor microcavities by Schumacher, Stefan, Kwong, N. H., Binder, R., Smirl, Arthur L.

“…Recently it was demonstrated that in atomic vapors weak control beams can manipulate (or switch) the propagation direction of strong light beams [Dawes et al.,…”
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Large optical gain from four-wave mixing instabilities in semiconductor quantum wells by Schumacher, S, Kwong, N. H, Binder, R

“…Based on a microscopic many-particle theory, we predict large optical gain in the probe and background-free four-wave mixing directions caused by excitonic…”
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Directional optical switching and transistor functionality using optical parametric oscillation in a spinor polariton fluid by Lewandowski, Przemyslaw, Luk, Samuel M H, Chan, Chris K P, Leung, P T, Kwong, N H, Binder, Rolf, Schumacher, Stefan

“…Over the past decade, spontaneously emerging patterns in the density of polaritons in semiconductor microcavities were found to be a promising candidate for…”
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Optical instabilities in semiconductor quantum-well systems driven by phase-space filling by Schumacher, Stefan, Kwong, N. H., Binder, R., Smirl, Arthur L.

“…Four‐wave mixing (FWM) is one of the best known phenomena in semiconductor optics. Recent experimental results of FWM instabilities and optical switching in…”
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Theory of laser cooling of semiconductor quantum wells by Rupper, G., Kwong, N. H., Gu, B., Binder, R.

“…We present a microscopic many‐body theory of laser cooling of semiconductor quantum wells. The cooling mechanism is the upconversion of pump photons through…”
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Controlling the optical spin Hall effect with light by Lafont, O., Luk, S. M. H., Lewandowski, P., Kwong, N. H., Leung, P. T., Galopin, E., Lemaitre, A., Tignon, J., Schumacher, S., Baudin, E., Binder, R.

“…The optical spin Hall effect is a transport phenomenon of exciton polaritons in semiconductor microcavities, caused by the polaritonic spin-orbit interaction,…”
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Transverse optical instability patterns in semiconductor microcavities: Polariton scattering and low-intensity all-optical switching by Luk, M. H., Tse, Y. C., Kwong, N. H., Leung, P. T., Lewandowski, Przemyslaw, Binder, R., Schumacher, Stefan

“…We present a detailed theoretical study of transverse exciton-polariton patterns in semiconductor quantum well micro-cavities. These patterns are initiated by…”
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Large excitonic enhancement of optical refrigeration in semiconductors by Rupper, G, Kwong, N H, Binder, R

“…We present a theoretical analysis for laser cooling of bulk GaAs based on a microscopic many-particle theory of absorption and luminescence of a partially…”
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Ultrafast coherent dynamics of optically inactive excitons in semiconductors by Yang, Z. S, Kwong, N. H, Takayama, R, Binder, R

“…The center-of-mass momentum distribution of optically created excitons in semiconductors is known to be constrained by the (very small) light momenta at times…”
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Light pulse delay in semiconductor quantum well Bragg structures by Binder, R., Yang, Z. S., Kwong, N. H., Nguyen, D. T., Smirl, Arthur L.

“…We discuss a scheme for controlled stopping, storing, and releasing of light pulses in one‐dimensional resonant photonic band gap structures (RPBG's) made of…”
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A Fortran code for solving the Kadanoff–Baym equations for a homogeneous fermion system by Köhler, H.S., Kwong, N.H., Yousif, Hashim A.

“…A Fortran code for solving the Kadanoff–Baym equations for a homogeneous fermion system is presented. These are a class of quantum kinetic equations the…”
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Optical switching of polariton density patterns in a semiconductor microcavity by Kwong, N H, Tsang, C Y, Luk, Samuel M H, Tse, Y C, Chan, Chris K P, Lewandowski, P, Leung, P T, Schumacher, Stefan, Binder, R

“…Phase-conjugate scattering can trigger modulational instabilities in a fluid of exciton-polaritons created in a pumped semiconductor quantum-well microcavity…”
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Evidence for intervalence band coherences in semiconductor quantum wells via coherently coupled optical Stark shifts by Donovan, M E, Schülzgen, A, Lee, J, Blanche, P A, Peyghambarian, N, Khitrova, G, Gibbs, H M, Rumyantsev, I, Kwong, N H, Takayama, R, Yang, Z S, Binder, R

“…We report the experimental observation of coherently coupled heavy-hole-light-hole Stark shifts, i.e., light-hole exciton shifts under heavy-hole exciton…”
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