Impact of pure dephasing on the nonlinear optical response of single quantum dots and dot ensembles

A Vagov, VM Axt, T Kuhn - Physical Review B, 2003 - APS
The nonlinear optical response to ultrafast laser pulses of semiconductor quantum dots
coupled to acoustic phonons is discussed on the basis of closed-form analytical results valid …

Phonon-induced pure dephasing in exciton-biexciton quantum dot systems driven by ultrafast laser pulse sequences

VM Axt, T Kuhn, A Vagov, FM Peeters - Physical Review B—Condensed Matter …, 2005 - APS
A semiconductor quantum dot model accounting for single exciton as well as biexciton
states coupled to phonons and laser light is investigated in the limit of strong electronic …

Partly noiseless encoding of quantum information in quantum dot arrays against phonon-induced pure dephasing

A Grodecka, P Machnikowski - Physical Review B—Condensed Matter and …, 2006 - APS
We show that pure dephasing of a quantum dot charge (excitonic) qubit may be reduced for
sufficiently slow gating by collectively encoding quantum information in an array of quantum …

Monitoring the buildup of the quantum dot polaron: Pump-probe and four-wave mixing spectra from excitons and biexcitons in semiconductor quantum dots

A Krügel, A Vagov, VM Axt, T Kuhn - Physical Review B—Condensed Matter …, 2007 - APS
Pump-probe (PP) and four-wave mixing (FWM) signals from a single quantum dot are
presented which are based on a four-level quantum dot model, accounting for the fine …

Influence of radiative coupling on coherent Rabi intersubband oscillations in multiple quantum wells

I Waldmueller, WW Chow, A Knorr - Physical Review B—Condensed Matter …, 2006 - APS
The dependence of multiple quantum well intersubband Rabi oscillations on the radiative
coupling between different quantum wells is investigated. We show that in a highly doped …

[PDF][PDF] Intersubband dynamics in semiconductor quantum wells: linear and nonlinear response of quantum confined electrons

I Waldmüller - 2005 - core.ac.uk
Since the beginning of ultrafast nonlinear optics, it is known, that coherently excited two-
level systems exhibit Rabi oscillations [AE87]: a driving field E (t) couples the two energy …

Efeitos térmicos em fotodiodos de pontos quânticos semicondutores

MO Assunção - 2012 - repositorio.ufu.br
O recente progresso na fabricação de sistemas de pontos quânticos semicondutores (PQ)
tem tornado possível o controle coerente de estados quânticos em PQs utilizando técnicas …

[PDF][PDF] Intersubband dynamics in semiconductor quantum wells

I Waldmüller - 2005 - depositonce.tu-berlin.de
This work studies the response of intersubband systems to linear and nonlinear excitation
with ultra short pulses. A detailled investigation of the individual microscopic many-particle …

Decoherence of the exciton and decay of the excitonic polaron in quantum dots

A Janutka, L Jacak, J Krasnyj, P Machnikowski… - Physica …, 2005 - iopscience.iop.org
Bulk-phonon mechanisms of decoherence of an exciton confined in a quantum dot (QD) are
considered in order to establish time limitations for the coherent control of the exciton with …

Phonon dephasing of the exciton in InAs/GaAs quantum dots

A Janutka, L Jacak, J Krasnyj… - Open Systems & …, 2004 - Springer
The interaction of a exciton confined in a semiconductor quantum dot (QD) with bulk
phonons (acoustical and optical) responsible for the exciton dephasing is studied. The …