State of the art and prospects for halide perovskite nanocrystals
Metal-halide perovskites have rapidly emerged as one of the most promising materials of the
21st century, with many exciting properties and great potential for a broad range of …
21st century, with many exciting properties and great potential for a broad range of …
Band-edge exciton in CdSe and other II–VI and III–V compound semiconductor nanocrystals− revisited
In this Mini Review, we summarize major corrections to the dark–bright exciton theory [Efros
et al. Phys. Rev B 1996, 54, 4843− 4856], which should be used for quantitative description …
et al. Phys. Rev B 1996, 54, 4843− 4856], which should be used for quantitative description …
Radiative control of dark excitons at room temperature by nano-optical antenna-tip Purcell effect
Excitons, Coulomb-bound electron–hole pairs, are elementary photo-excitations in
semiconductors that can couple to light through radiative relaxation. In contrast, dark …
semiconductors that can couple to light through radiative relaxation. In contrast, dark …
Exciton fine structure in perovskite nanocrystals
The bright emission observed in cesium lead halide perovskite nanocrystals (NCs) has
recently been explained in terms of a bright exciton ground state [Becker et al. Nature 2018 …
recently been explained in terms of a bright exciton ground state [Becker et al. Nature 2018 …
Deterministic writing and control of the dark exciton spin using single short optical pulses
We demonstrate that the quantum dot-confined dark exciton forms a long-lived integer spin
solid-state qubit that can be deterministically on-demand initiated in a pure state by one …
solid-state qubit that can be deterministically on-demand initiated in a pure state by one …
Radiative recombination from dark excitons in nanocrystals: Activation mechanisms and polarization properties
We analyze theoretically physical mechanisms responsible for the radiative recombination
of the ground optically passive (“dark”) exciton (DE), which dominates in photoluminescence …
of the ground optically passive (“dark”) exciton (DE), which dominates in photoluminescence …
Atomistic theory of dark excitons in self-assembled quantum dots of reduced symmetry
We use an atomistic model to consider the effect of shape symmetry breaking on the optical
properties of self-assembled InAs/GaAs quantum dots. In particular, we investigate the …
properties of self-assembled InAs/GaAs quantum dots. In particular, we investigate the …
Atomistic theory of emission from dark excitons in self-assembled quantum dots
We present atomistic theory of emission from dark excitons in self-assembled quantum dots.
Using the atomistic tight-binding model coupled with the configuration-interaction approach …
Using the atomistic tight-binding model coupled with the configuration-interaction approach …
Inhibition and enhancement of the spontaneous emission of quantum dots in micropillar cavities with radial-distributed Bragg reflectors
We present a micropillar cavity where nondesired radial emission is inhibited. The photonic
confinement in such a structure is improved by implementation of an additional concentric …
confinement in such a structure is improved by implementation of an additional concentric …
Deterministic coherent writing of a long-lived semiconductor spin qubit using one ultrafast optical pulse
We use one single, few-picosecond-long, variably polarized laser pulse to deterministically
write any selected spin state of a quantum dot confined dark exciton whose life and …
write any selected spin state of a quantum dot confined dark exciton whose life and …