Optical readout of charge and spin in a self-assembled quantum dot in a strong magnetic field (2007)
Korkusinski, M., Hawrylak, P., Babinski, A., Potemski, M., Raymond, S., Wasilewski, Z.
We present a theory and experiment demonstrating optical readout of charge and spin in a single InAs/GaAs self-assembled quantum dot. By applying a magnetic field we create the filling factor 2...
Babinski, A., Ortner, G., Raymond, S., Potemski, M., Bayer, M., Sheng, W., ...
We report on the magnetic field dispersion of the exciton spin-splitting and diamagnetic shift in single InAs/GaAs quantum dots up to B=28 T. We have found substantial differences between field...
Optical spectroscopy of a single InAs/GaAs quantum dot in high magnetic fields (2006)
Babinski, A., Potemski, M., Raymond, S., Korkusinski, M., Sheng, W., Hawrylak, P., ...
We report on the measurements of the photoluminescence from the s-shell of a single InAs/GaAs quantum dot in magnetic fields up to 23 T. The observed multiline emission is attributed to different...
Exciton lifetime in InAs/GaAs quantum dot molecules (2005)
Bardot, C., Schwab, M., Bayer, M., Fafard, S., Wasilewski, Z., Hawrylak, P.
The exciton lifetimes $T_1$ in arrays of InAs/GaAs vertically coupled quantum dot pairs have been measured by time-resolved photoluminescence. A considerable reduction of $T_1$ by up to a factor of...
The origin of switching noise in GaAs/AlGaAs lateral gated devices (2005)
Pioro-Ladrière, M., Davies, J. H., Long, A. R., Sachrajda, A. S., Gaudreau, L., Zawadzki, P., ...
We have studied the origin of switching (telegraph) noise at low temperature in lateral quantum structures defined electrostatically in GaAs/AlGaAs heterostructures by surface gates. The noise was...
Pioro-Ladriere, M., Usher, A., Sachrajda, A. S., Lapointe, J., Gupta, J., Wasilewski, Z., ...
Novel hysteretic effects are reported in magneto-transport experiments on lateral quantum devices. The effects are characterized by two vastly different relaxation times (minutes and days). It is...
Babinski, A., Ortner, G., Raymond, S., Potemski, M., Bayer, M., Hawrylak, P., ...
We report on the magnetic field dispersion of the exciton spin-splitting and diamagnetic shift in single InAs/GaAs quantum dots (QDs) and dot molecules (QDMs) up to $B$ = 28 T. Only for systems with...
Single-dot spectroscopy in high magnetic fields (2005)
Babinski, A., Awirothananon, S., Lapointe, J., Wasilewski, Z., Raymond, S., Potemski, M.
Fine structure in the excitonic emission of InAs/GaAs quantum dot molecules (2005)
Ortner, G., Yugova, I., Larionov, A., Kurtze, H., Yakovlev, D. R., ...
Electron and Hole States in Vertically Coupled Self-Assembled InGaAs Quantum Dots (2005)
Korkusinski, M., Sheng, W., Hawrylak, P., Wasilewski, Z., Ortner, G., Bayer, M., ...
Excitonic Fock-Darwin spectra from electron-hole droplets in self- assembled quantum dots (2005)
Raymond, S., Studenikin, S., Sachrajda, A., Wasilewski, Z., Cheng, S. J., Sheng, W., ...
Correlated Photon-Pair Emission from a Charged Single Quantum Dot (2004)
Ulrich, S. M., Benyoucef, M., Michler, P., Baer, N., Gartner, P., Jahnke, F., ...
The optical creation and recombination of charged biexciton and trion complexes in an (In,Ga)As/GaAs quantum dot is investigated by micro-photoluminescence spectroscopy. Photon cross-correlation...
Ciorga, M., Pioro-Ladrière, M., Zawadzki, P., Lapointe, J., Wasilewski, Z., Sachrajda, A. S.
We present Coulomb Blockade measurements of two few-electron quantum dots in series which are configured such that the electrochemical potential of one of the two dots is aligned with spin-selective...
Electron-hole complexes in self-assembled quantum dots in strong magnetic fields (2004)
Cheng, S. J., Sheng, W., Hawrylak, P., Raymond, S., Studenikin, S., Sachrajda, A., ...
We present results of calculations and experiments on electron-hole complexes in InGaAs/GaAs self-assembled quantum dots in high magnetic field (B). Due to hidden symmetries, the chemical potential...
Photoluminescence excitation spectroscopy of InAs/GaAs quantum dots in high magnetic field (2004)
Babinski, A., Awirothananon, S., Raymond, S., Studenikin, S., Hawrylak, P., Cheng, S. J., ...
Results of photoluminescence excitation (PLE) measurements of quantum dots (QDs) in high magnetic field are presented in this work. A structure with a single layer of InAs/GaAs QDs of a relatively...
Excitonic energy shell structure of self-assembled InGaAs/GaAs quantum dots (2004)
Raymond, S., Studenikin, S., Sachrajda, A., Wasilewski, Z., Cheng, S. J., Sheng, W., ...
Performing optical spectroscopy of highly homogeneous quantum dot arrays in ultrahigh magnetic fields, an unprecedently well resolved Fock-Darwin spectrum is observed. The existence of up to four...
Addition spectrum of a lateral dot from Coulomb and spin-blockade spectroscopy (2000)
Ciorga, M., Sachrajda, A. S., Hawrylak, P., Gould, C., Zawadzki, P., Jullian, S., ...
The Addition Spectrum of a Lateral Dot from Coulomb and Spin Blockade Spectroscopy (1999)
Ciorga, M., Sachrajda, A. S., Hawrylak, P., Gould, C., Zawadzki, P., Jullian, S., ...
Transport measurements are presented on a class of electrostatically defined lateral dots within a high mobility two dimensional electron gas (2DEG). The new design allows Coulomb Blockade(CB)...
Spin depolarization in quantum dots (1999)
Sachrajda,A.S., Gould,C., Hawrylak,P., Feng,Y., Zawadzki,P., Wasilewski,Z.
We have performed single electron spectroscopy experiments on single lateral quantum dots. We demonstrate that the lateral nature of the tunneling as well as the properties of the 2DEG leads can be...
Khanna, S. M., Yousefi, G. H., Webb, J. B., Wasilewski, Z.
This paper compares the deep level transient spectroscopy (DLTS) study of proton radiation-induced defects in molecular beam epitaxy (MBE) n-GaAs with the defects generated in n-GaAs by high energy...
Fractal Conductance Fluctuations in a Soft Wall Stadium and a Sinai Billiard (1997)
Sachrajda, A. S., Ketzmerick, R., Gould, C., Feng, Y., Kelly, P. J., Delage, A., ...
Conductance fluctuations have been studied in a soft wall stadium and a Sinai billiard defined by electrostatic gates on a high mobility semiconductor heterojunction. These reproducible...