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Proceedings Paper

Designing organic molecules for terahertz radiation generation in robust crystals
Author(s): Koen Clays; Rebecca J. Docherty; John Fielden; Madeleine Helliwell; James Raftery; Rachel Shaw; Catherine A. Swanson; Benjamin J. Coe
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Paper Abstract

The research towards more efficient organic molecules for second-order nonlinear optical (NLO) applications has resulted in substantial improvements of the molecular nonlinear polarizabilities. Different strategies for increasing NLO responses at the molecular level in ionic chromophores are reviewed. However, only a small subset of the highly efficient non-centrosymmetric molecules also forms non-centrosymmetric crystals at the bulk level. Examples of success in achieving polar crystals of molecular salts are presented. Such crystals with a high number density of aligned dipolar chromophores are promising materials for efficient second-order NLO applications, such as terahertz generation via difference frequency mixing.

Paper Details

Date Published: 14 September 2010
PDF: 10 pages
Proc. SPIE 7817, Nanophotonics and Macrophotonics for Space Environments IV, 78170E (14 September 2010); doi: 10.1117/12.862289
Show Author Affiliations
Koen Clays, Katholieke Univ. Leuven (Belgium)
Rebecca J. Docherty, Univ. of Manchester (United Kingdom)
John Fielden, Univ. of Manchester (United Kingdom)
Madeleine Helliwell, Univ. of Manchester (United Kingdom)
James Raftery, Univ. of Manchester (United Kingdom)
Rachel Shaw, Univ. of Manchester (United Kingdom)
Catherine A. Swanson, Univ. of Manchester (United Kingdom)
Benjamin J. Coe, Univ. of Manchester (United Kingdom)

Published in SPIE Proceedings Vol. 7817:
Nanophotonics and Macrophotonics for Space Environments IV
Edward W. Taylor; David A. Cardimona, Editor(s)

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