at Google ScholarTitle data
Axt, Vollrath Martin ; Machnikowski, Paweł ; Kuhn, Tilmann:
Reducing decoherence of the confined exciton state in a quantum dot by pulse-sequence control.
In: Physical Review B.
Vol. 71
(2005)
Issue 15
.
- 155305.
ISSN 0163-1829
DOI: https://doi.org/10.1103/PhysRevB.71.155305
Project information
| Project financing: |
Alexander von Humboldt-Stiftung Polish KBN Grant No. PB 2 PO3B085 25. |
|---|
Abstract in another language
We study the phonon-induced dephasing of the exciton state in a quantum dot excited by a sequence of ultrashort pulses. We show that the multiple-pulse control leads to a considerable improvement of the coherence of the optically excited state. For a fixed control time window, the optimized pulsed control often leads to a higher degree of coherence than the control by a smooth, single Gaussian pulse. The reduction of dephasing is considerable already for 2–3 pulses.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Keywords: | quantum dot; non-linear optics; ultrafast dynamics; pure dephasing; phonons; excitons; coherent control; damping of Rabi oscillations; decoherence; control of decoherence; non-Markovian dynamics; memory effects; laser induced dynamics |
| Institutions of the University: | Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III > Chair Theoretical Physics III - Univ.-Prof. Dr. Martin Axt Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics III |
| Result of work at the UBT: | No |
| DDC Subjects: | 500 Science > 530 Physics |
| Date Deposited: | 23 Oct 2017 11:01 |
| Last Modified: | 02 Aug 2023 12:58 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/40123 |