Polymeric EO modulators based on chiral structures

M. Kauranen*, A. Persoons, D. Beljonne, Z. Shuai, Jean-Luc Bredas

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Second-order nonlinear processes are electric-dipole-forbidden in centrosymmetric materials. For organic materials, noncentrosymmetry is relatively easy to achieve on the molecular level. However, for macroscopic noncentrosymmetry, such materials need to be poled. This results in a thermodynamically unstable material whose nonlinearity tends to relax with time. Isotropic materials are usually also neglected as second-order materials. However, isotropic chiral materials are noncentrosymmetric and possess a nonvanishing second-order response, as shown by sum-frequency generation.

Original languageEnglish (US)
Pages (from-to)27-28
Number of pages2
JournalLEOS Summer Topical Meeting
StatePublished - Jan 1 1998
EventProceedings of the 1998 IEEE/LEOS Summer Topical Meeting - Monterey, CA, USA
Duration: Jul 20 1998Jul 24 1998

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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