Radiative cascades in charged quantum dots (2009)
Poem, E., Kodriano, Y., Tradonsky, C., Gershoni, D., Gerardot, B. D., Petroff, P. M.
We measured, for the first time, two photon radiative cascades due to sequential recombination of quantum dot confined electron hole pairs in the presence of an additional spectator charge carrier....
Dressed excitonic states and quantum interference in a three-level quantum dot ladder system (2008)
Gerardot, B. D., Brunner, D., Dalgarno, P. A., Karrai, K., Badolato, A., Petroff, P. M., ...
We observe dressed states and quantum interference effects in a strongly driven three-level quantum dot ladder system. The effect of a strong coupling field on one dipole transition is measured by a...
Dalgarno, P. A., Smith, J. M., McFarlane, J., Gerardot, B. D., Karrai, K., Badolato, A., ...
We present results on the charge dependence of the radiative recombination lifetime, Tau, and the emission energy of excitons confined to single self-assembled InGaAs quantum dots. There are...
Polarization sensitive spectroscopy of charged Quantum Dots (2007)
Poem, E., Shemesh, J., Marderfeld, I., Galushko, D., Akopian, N., Gershoni, D., ...
We present an experimental and theoretical study of the polarized photoluminescence spectrum of single semiconductor quantum dots in various charge states. We compare our high resolution polarization...
Contrast in transmission spectroscopy of a single quantum dot (2007)
Gerardot, B. D., Seidl, S., Dalgarno, P. A., Kroner, M., Karrai, K., Badolato, A., ...
We perform transmission spectroscopy on single quantum dots and examine the effects of a resident carriers spin, the incident laser spot size, polarization, and power on the experimental contrast. We...
Manipulating exciton fine structure in quantum dots with a lateral electric field (2007)
Gerardot, B.D., Seidl, S., Dalgarno, P.A., Warburton, R.J., Granados, Daniel, García, J.M., ...
The fine structure of the neutral exciton in a single self-assembled InGaAs quantum dot is investigated under the effect of a lateral electric field. Stark shifts up to 1.5 meV, an increase in...
Manipulating exciton fine-structure in quantum dots with a lateral electric field (2006)
Gerardot, B. D., Seidl, S., Dalgarno, P. A., Warburton, R. J., Granados, D., Garcia, J. M., ...
The fine structure of the neutral exciton in a single self assembled InGaAs quantum dot is investigated under the effect of a lateral electric field. Stark shifts up to 1.5 meV, an increase in...
Entangled Photon Pairs from Semiconductor Quantum Dots (2005)
Akopian, N., Lindner, N. H., Poem, E., Berlatzky, Y., Avron, J., Gershoni, D., ...
Tomographic analysis demonstrates that the polarization state of pairs of photons emitted from a biexciton decay cascade becomes entangled when spectral filtering is applied. The measured density...
Seidl, S., Kroner, M., Dalgarno, P. A., Högele, A., Smith, J. M., Ediger, M., ...
We have performed detailed photoluminescence (PL) and absorption spectroscopy on the same single self-assembled quantum dot in a charge-tunable device. The transition from neutral to charged exciton...
Voltage-controlled electron-hole interaction in a single quantum dot (2004)
Högele, A., Seidl, S., Kroner, M., Karrai, K., Atatüre, M., Dreiser, J., ...
The ground state of neutral and negatively charged excitons confined to a single self-assembled InGaAs quantum dot is probed in a direct absorption experiment by high resolution laser spectroscopy....
Spin-selective optical absorption of singly charged excitons in a quantum dot (2004)
Högele, A., Kroner, M., Seidl, S., Karrai, K., Atatüre, M., Dreiser, J., ...
We investigate high resolution laser absorption spectroscopy of a single InGaAs/GaAs self-assembled quantum dot embedded in a field-effect structure. We show experimentally that the interband optical...
Voltage-Controlled Optics of a Quantum Dot (2004)
Högele, A., Seidl, S., Kroner, M., Karrai, K., Warburton, R. J., Gerardot, B. D., ...
We show how the optical properties of a single semiconductor quantum dot can be controlled with a small dc voltage applied to a gate electrode. We find that the transmission spectrum of the neutral...
Photoluminescence of a single InAs quantum dot molecule under applied electric field (2001)
Shtrichman, I., Metzner, C., Gerardot, B. D., Schoenfeld, W. V., Petroff, P. M.
We study the electronic coupling between two vertically stacked InAs quantum dots, which are embedded in the center of a n-i-n structure. We use a micro-photoluminescence setup to optically isolate a...