Effects of permanent dipole moments in high-order optical nonlinearity

Davila Romero, Luciana and Andrews, David (1999) Effects of permanent dipole moments in high-order optical nonlinearity. Journal of Physics B: Atomic, Molecular and Optical Physics, 32 (9). pp. 2277-2293. ISSN 0953-4075

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High-order optical nonlinearity in molecular systems is of considerable interest, due to the dynamical information it affords, the flexibility in geometry it offers, and due to its involvement in the generation of even harmonics in isotropic media. Here, attention is focused on several processes whose optical response is dominated by two electronic states and which involve the coupling of up to six different optical modes. It is shown that transformation of the electric-dipole interaction provides a convenient means for ascertaining the role of intramolecular charge transfer on the high-order nonlinear optics of such systems. The transformation offers calculational expediency and a direct route to expressions for nonlinear molecular polarizabilities. In particular, the method identifies directly terms dependent on various powers of the displacement vector for intramolecular charge transfer.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
UEA Research Groups: Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017)
Faculty of Science > Research Groups > Chemistry of Light and Energy
Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Depositing User: Pure Connector
Date Deposited: 18 Jan 2016 17:01
Last Modified: 09 Feb 2023 13:41
URI: https://ueaeprints.uea.ac.uk/id/eprint/56496
DOI: 10.1088/0953-4075/32/9/317


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