All-optical control of molecular fluorescence

Bradshaw, David S. and Andrews, D. L. (2010) All-optical control of molecular fluorescence. Physical Review A, 81 (1).

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Abstract

We present a quantum electrodynamical procedure to demonstrate the all-optical control of molecular fluorescence. The effect is achieved on passage of an off-resonant laser beam through an optically activated system; the presence of a surface is not required. Following the derivation and analysis of the all-optical control mechanism, calculations are given to quantify the significant modification of spontaneous fluorescent emission with input laser irradiance. Specific results are given for molecules whose electronic spectra are dominated by transitions between three electronic levels, and suitable laser experimental methods are proposed. It is also shown that the phenomenon is sensitive to the handedness of circularly polarized throughput, producing a conferred form of optical activity.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Related URLs:
Depositing User: Rachel Smith
Date Deposited: 27 Oct 2010 09:29
Last Modified: 21 Apr 2020 17:04
URI: https://ueaeprints.uea.ac.uk/id/eprint/10749
DOI: 10.1103/PhysRevA.81.013424

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