Microscopic Measurement of Photon Echo Formation in Groups of Individual Excitonic Transitions

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:	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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