High- g -factor phase-matched circular dichroism of second harmonic generation in chiral polar liquids

Circular dichroism is a technologically important phenomenon contrasting the absorption and resultant emission properties between left- and right-handed circularly polarized light. While the chiral handedness of systems mainly determines the mechanism of the circular dichroism in linear optics, the...

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Bibliographic Details
Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2023-06, Vol.11 (25), p.8547-8552
Main Authors: Zhao, Xiuhu, Li, Jinxing, Huang, Mingjun, Aya, Satoshi
Format: Article
Language:English
Subjects:
Circular polarization
Dichroism
Nonlinear optics
Phase matching
Polarized light
Second harmonic generation
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Summary:Circular dichroism is a technologically important phenomenon contrasting the absorption and resultant emission properties between left- and right-handed circularly polarized light. While the chiral handedness of systems mainly determines the mechanism of the circular dichroism in linear optics, the counterpart in the nonlinear optical regime is nontrivial. Here, in contrast to traditional nonlinear circular dichroism responses from structured surfaces, we report on an unprecedented bulk-material-induced circular dichroism of second harmonic generation with a massive g -factor of up to 1.8.
ISSN:2050-7526
2050-7534
DOI:10.1039/D3TC00981E