Designing organic molecules for terahertz radiation generation in robust crystals

Clays, Koen and Docherty, Rebecca J. and Fielden, John and Helliwell, Madeleine and Raftery, James and Shaw, Rachel and Swanson, Catherine A. and Coe, Benjamin J. (2010) Designing organic molecules for terahertz radiation generation in robust crystals. In: UNSPECIFIED.

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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.

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Contribution to Conference (Paper)
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SPIE 7817 : Nanophotonics and Macrophotonics for Space Environments IV ; Conference date: 14-09-2010
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24 Feb 2023 12:15
Last Modified:
21 Sep 2023 04:17