Title: Chiral materials in second-order nonlinear optics
Authors: Kauranen, M ×
Verbiest, Thierry
Persoons, Andre #
Issue Date: Jan-1999
Publisher: World Scientific
Series Title: Journal of Nonlinear Optical Physics & Materials vol:8 issue:2 pages:171-189
Abstract: We review how chirality can lead to new types of second-order nonlinear optical materials. Chiral molecules are noncentrosymmetric with a nonvanishing electric-dipole-allowed second-order response, which persists in macroscopic samples with high rotational symmetry such as isotropic solutions. On the other hand, contributions of magnetic-dipole interactions, which can be strong in chiral materials, allow second-order processes in centrosymmetric materials. The magnetic contributions of thin films of chiral polyisocyanides and polythiophenes are comparable to electric contributions. Components of the electric-dipole susceptibility tensor associated with chirality dominate the response of thin films of a chiral helicenebisquinone.
ISSN: 0218-8635
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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