[PDF] Top 20 Light-hole Exciton in Nanowire Quantum Dot

... 6 Quantum dots inserted inside semiconductor nanowires are extremely promising candidates as building blocks for solid-state based quantum computation and ...create in a single magnetic ... Voir le document complet

... CdSe quantum dot em- bedded in a ZnSe ...dark exciton and to extract the dark- bright exciton splitting together with the transition rates between these two ...dark-bright ... Voir le document complet

... CdSe quantum dot embedded in a ZnSe nanowire. Exciton, biexciton, and charged exciton lines have been identified unambiguously using photon correlation ...dark exciton has ... Voir le document complet

... In order to obtain electroluminescence from the QDs, there must be efficient exciton formation from injected charges in a device. This requires both facile injection[r] ... Voir le document complet

... the exciton lifetime, T 1 , of ...the quantum dot used for the field-correlation measurements is presented in ...particular quantum dot at 938 nm is the singly charged ... Voir le document complet

... a nanowire waveguide around a quantum dot ensures that the emitted light is guided in the desired direction and a tapered end makes the light extraction very efficient 4 ...single ... Voir le document complet

... charged exciton (three holes and one electron) [ 16 , 17 ...observed in natural molecules, so this result provides a striking example of the new properties that can be engineered using semiconductor ... Voir le document complet

... challenges in developing quantum networks is to generate single photons with high brightness, purity, and long temporal ...Semiconductor quantum dots potentially satisfy these requirements; however, ... Voir le document complet

... 兲 in which a biexciton radiatively decays into the ground state via two different indistinguishable paths involving two intermediate dipole-active 共bright兲 exciton ...generation in BCP is the ... Voir le document complet

... the dot with two electron-hole pairs increases, and the ap- propriate model requires the inclusion of an additional level to account for the biexciton (see, for example, ...the dot with two ... Voir le document complet

... field in the dot of ...negligible in comparison to the AlGaN sections. Looking at the band diagrams in figures 5(d- f) to understand the nanowire behavior, we find significant ... Voir le document complet

... diagrams. In summary we have measured the neutral and charged exciton emission intensity of GaAs quantum dots grown by droplet ...the quantum dot that is respon- sible for the mixing of ... Voir le document complet

... transitions in quantum dots [ 1 – 3 ...Any quantum state (qubit) manipulation scheme benefits from the long coherence times in quantum dots [ 4 , 5 ] and necessitates fast and robust ... Voir le document complet

... pairs in the bulk GaAs ...carriers in the continuum absorption band of the InAs monolayer close to the ...The light emitted by the recombination of the QD lowest energy states is recollected by the ... Voir le document complet

... the exciton-phonon coupling leads to more complex line shapes, 24 but this gives, nevertheless, a meaning- ful estimation of the homogeneous linewidth and its ...energies in the “slow fluctuations” regime ... Voir le document complet

... polarized light states. The short-range part of the electron-hole exchange interaction lifts their de- generacy and the dark states lie a few hundreds of µeV below the degenerate bright states ...the ... Voir le document complet

... jai in Fig. 1(a) , corresponds to the electron and the hole on the s shell (n ¼ 0, m ¼ 0) while excited states jbi and jci correspond to both the electron and the hole excited from the s shell to the ... Voir le document complet

... (MBE) in the Vapour-Liquid-Solid (VLS) growth mode catalysed by gold particles on a Si ...substrate. In order to make QDs, a small region of CdSe is inserted in the ZnSe ...found in reference ... Voir le document complet

... spin in an InGaAs QD: the control over B N via non-resonant optical pumping allows us to orientate the pseudo spin of a neutral exciton and therefore achieve substantial optical orientation, previously only ... Voir le document complet

... QD in a NW. The advantage of fabricating a QD insertion in a NW is that it permits to combine a large variety of different materials and to control the size and shape of the QD over a very broad range, much ... Voir le document complet