Search Results - "Oberli, D. Y."
-
1
Polaritonic Cross Feshbach Resonance
Published in Physical review letters (01-02-2019)“…We demonstrate the existence of a cross Feshbach resonance by strongly driving a lower polariton mode and by monitoring in time the transmission of a short…”
Get full text
Journal Article -
2
Intertwining of Zeeman and Coulomb interactions on excitons in highly symmetric semiconductor quantum dots
Published in Physical review. B, Condensed matter and materials physics (06-04-2012)“…We present an experimental study and develop a group theoretical analysis of the Zeeman effect on excitons in pyramidal semiconductor quantum dots possessing…”
Get full text
Journal Article -
3
Symmetries and the polarized optical spectra of exciton complexes in quantum dots
Published in Physical review letters (16-09-2011)“…A systematic and simple theoretical approach is proposed to analyze true degeneracies and polarized decay patterns of exciton complexes in semiconductor…”
Get full text
Journal Article -
4
Spectral signatures of high-symmetry quantum dots and effects of symmetry breaking
Published in New journal of physics (08-10-2015)“…High symmetry epitaxial quantum dots (QDs) with three or more symmetry planes provide a very promising route for the generation of entangled photons for…”
Get full text
Journal Article -
5
Fine structure of exciton complexes in high-symmetry quantum dots: Effects of symmetry breaking and symmetry elevation
Published in Physical review. B, Condensed matter and materials physics (19-04-2010)“…Quantum dots (QDs) of high symmetry (e.g., C-3 nu) have degenerate bright exciton states, unlike QDs of C-2 nu symmetry, making them intrinsically suitable for…”
Get full text
Journal Article -
6
Two-dimensional Fourier transform spectroscopy of exciton-polaritons and their interactions
Published in Physical review. B, Condensed matter and materials physics (15-09-2015)“…We investigate polariton-polariton interactions in a semiconductor microcavity through two-dimensional Fourier transform (2DFT) spectroscopy. We observe, in…”
Get full text
Journal Article -
7
Multiple polariton modes originating from the coupling of quantum wells in planar microcavity
Published in Physical review. B, Condensed matter and materials physics (31-08-2015)“…We report on the observation of multiple polariton modes, originating from an electronic coupling between quantum wells inside a planar microcavity. A series…”
Get full text
Journal Article -
8
Dephasing effects on coherent exciton-polaritons and the breakdown of the strong coupling regime
Published in Physical review. B, Condensed matter and materials physics (15-12-2015)“…Using femtosecond pump-probe spectroscopy, we identify excitation-induced dephasing as a major mechanism responsible for the breakdown of the strong coupling…”
Get full text
Journal Article -
9
Optimization of the efficiency of single-photon sources based on quantum dots under optical excitation
Published in Applied physics letters (20-02-2006)“…We demonstrate efficient, regulated single-photon operation from site-controlled InGaAs quantum dots (QDs) grown on a prepatterned substrate. Under nonresonant…”
Get full text
Journal Article -
10
Enhancement of the binding energy of charged excitons in disordered quantum wires
Published in Physical review. B, Condensed matter and materials physics (2005)Get full text
Journal Article -
11
Polarization Anisotropy and Valence Band Mixing in Semiconductor Quantum Wires
Published in Physical review letters (24-02-1997)Get full text
Journal Article -
12
Observation of many-body effects in the excitonic spectra of semiconductor quantum wires
Published in Solid state communications (20-11-1998)“…We report the observation of a blue shift of very sharp luminescence lines in GaAs/AlGaAs quantum wires at increasing excitation density. These sharp lines…”
Get full text
Journal Article -
13
Coulomb Correlation and Band Gap Renormalization at High Carrier Densities in Quantum Wires
Published in Physical review letters (05-05-1997)Get full text
Journal Article -
14
Localization of excitons in disordered quantum wires probed by single-photon correlation spectroscopy
Published in Applied physics letters (06-12-2004)“…Single-photon correlation and microphotoluminescence spectroscopy are employed to characterize the emission from disordered InGaAs∕AlGaAs quantum wires grown…”
Get full text
Journal Article -
15
Excitonic corrections and band gap renormalization in quantum wires
Published in Solid state communications (01-01-1999)“…We present a theoretical analysis of experimental photoluminescence spectra in highly excited semiconductor quantum wires. We show that the inclusion in the…”
Get full text
Journal Article -
16
Correlated photon emission from semiconductor quantum dots grown in inverted pyramids
Published in Physica. E, Low-dimensional systems & nanostructures (01-02-2005)“…We demonstrate photon antibunching and deterministic single-photon operation using single InGaAs/AlGaAs semiconductor quantum dots grown on pre-patterned…”
Get full text
Journal Article Conference Proceeding -
17
Origin of disorder in self-ordered GaAs/AlGaAs quantum wires grown by OMVPE on V-grooved substrate
Published in Journal of crystal growth (01-12-2000)“…We have combined atomic force microscopy (AFM) and 2D+1 Monte-Carlo simulations to investigate the formation of local potential minima in self-ordered…”
Get full text
Journal Article Conference Proceeding -
18
Optical phonon-assisted tunneling in double quantum well structures
Published in Applied physics letters (26-03-1990)“…Using subpicosecond time-resolved luminescence spectroscopy, we show that the tunneling rate for electrons in an asymmetric double quantum well structure…”
Get full text
Journal Article -
19
Time-resolved Raman scattering in GaAs quantum wells
Published in Physical review letters (10-08-1987)Get full text
Journal Article -
20
Magneto-photoluminescence of heavy- and light-hole excitons in site-controlled pyramidal quantum dots
Published in Physica. E, Low-dimensional systems & nanostructures (01-04-2008)“…Pyramidal, site-controlled InGaAs/AlGaAs quantum dots (QDs) are studied by micro-photoluminescence (PL) spectroscopy in a magnetic field. The light-hole (LH)…”
Get full text
Journal Article Conference Proceeding