Title data
Wolpert, Christian ; Wang, Lijuan ; Rastelli, Armando ; Schmidt, Oliver G. ; Giessen, Harald ; Lippitz, Markus:
Transient absorption spectroscopy of a single lateral InGaAs quantum dot molecule.
In: Physica Status Solidi B.
Vol. 249
(2012)
Issue 4
.
- pp. 731-736.
ISSN 1521-3951
DOI: https://doi.org/10.1002/pssb.201100783
Abstract in another language
Lateral quantum dot molecules promise a scalable approach to quantum registers. The individual neutral exciton states can be controlled by a lateral bias voltage. In this way radiative emission of localized excitons can be switched between the two quantum dots in the molecule. Here, we report on coherent absorption spectroscopy of a single quantum dot molecule. By transient reflection spectroscopy we demonstrate that not only the emission but also the absorption switches from one dot to the other when varying the applied electric field. This result is consistent with Rabi flopping showing a radically suppressed dipole moment for the non-emitting exciton transition.
Further data
Item Type: | Article in a journal |
---|---|
Refereed: | Yes |
Institutions of the University: | Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics III - Nanooptics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics III - Nanooptics > Chair Experimental Physics III - Nanooptics - Univ.-Prof. Dr. Markus Lippitz |
Result of work at the UBT: | No |
DDC Subjects: | 500 Science 500 Science > 530 Physics |
Date Deposited: | 17 Dec 2015 07:20 |
Last Modified: | 30 Aug 2022 11:19 |
URI: | https://eref.uni-bayreuth.de/id/eprint/28954 |