Two-dimensional charge-transfer molecular design: control of anisotropy in linear and nonlinear optical properties for photonic device applications

Takashi Isoshima*, Tatsuo Wada, Ya Dong Zhang, Tetsuya Aoyama, Jean Luc Bredas, Hiroyuki Sasabe

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

The advantage of two-dimensional (2-D) charge-transfer (CT) chromophore in a poled polymeric system over 1-D CT ones is theoretically demonstrated in terms of photonic device applications. Poling behavior of second harmonic generation coefficient and linear polarizability tensor components are calculated for carbazole derivatives with 2-D and 1-D CT character. It is shown that, in a 2-D CT compound, the off-diagonal components present 1.5 times as large value as those in a 1-D CT compounds. In addition, the 2-D CT compound presents less anisotropy in refractive index than the 1-D CT compound, and thus smaller change in it with orientation relaxation.

Original languageEnglish (US)
Pages (from-to)65-68
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
Volume15
Issue number1-4
StatePublished - 1996
Externally publishedYes
EventProceedings of the 1995 2nd International Conference on Organic Nonlinear Optics, ICONO'2 - Kusatsu, Jpn
Duration: Jul 23 1995Jul 26 1995

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics

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