Langbein, Wolfgang Werner  ORCID: https://orcid.org/0000-0001-9786-1023 and Patton, B.
2005.
Microscopic Measurement of Photon Echo Formation in Groups of Individual Excitonic Transitions.
Physical Review Letters (PRL)
95
, 17403.
10.1103/PhysRevLett.95.017403
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Abstract
The third-order polarization emitted from groups of individual localized excitonic transitions after pulsed optical excitation is measured. We observe the evolution of the nonlinear response from the case of a free polarization decay for a single transition, to that of a photon echo for many transitions. The echo is shown to arise from the mutual rephasing of the emission from individual transitions.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Physics and Astronomy |
| Publisher: | American Physical Society |
| ISSN: | 0031-9007 |
| Last Modified: | 20 May 2023 17:13 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/1564 |
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