123 citations · 655 across the 18 of their papers we have counts for
18 papers
Pattern Formation in the Exciton Inner Ring
M. Remeika, A. T. Hammack, S. Poltavtsev +6
We report on the spatially separated pump-probe study of indirect excitons in the inner ring in the exciton emission pattern. A pump laser beam generates the inner ring and a weake…
Drift-diffusion model of the fragmentation of the external ring structure in the photoluminescence pattern of indirect excitons in coupled quantum wells
J. Wilkes, E. A. Muljarov, A. L. Ivanov
Under optical excitation, coupled quantum wells are known to reveal fascinating features in the photoluminescence pattern originating from dipole orientated indirect excitons. The…
Resonant acousto-optics in the terahertz range: TO-phonon polaritons driven by an ultrasonic wave
E. A. Muljarov, R. H. Poolman, A. L. Ivanov
The resonant acousto-optic effect is studied both analytically and numerically in the terahertz range where the transverse-optical (TO) phonons play the role of a mediator which st…
Ultrasonic control of terahertz radiation via lattice anharmonicity in LiNbO3
R. H. Poolman, E. A. Muljarov, A. L. Ivanov
We propose a novel tunable terahertz (THz) filter using the resonant acousto-optic (RAO) effect. We present a design based on a transverse optical (TO) phonon mediated interaction…
Direct and indirect excitons in semiconductor coupled quantum wells in an applied electric field
K. Sivalertporn, L. Mouchliadis, A. L. Ivanov +2
An accurate calculation of the exciton ground and excited states in AlGaAs and InGaAs coupled quantum wells (CQWs) in an external electric field is presented. An efficient and stra…
Terahertz Response of Acoustically-Driven Optical Phonons
R. H. Poolman, E. A. Muljarov, A. L. Ivanov
The manipulation of TO-phonon polaritons and the terahertz (THz) light field associated with them by means of an ultra-sound acoustic wave is proposed and illustrated by calculatin…