Multifunctional photorefractive material showing high optical gain and diffraction efficiency

Wenjie Li, Alireza Gharavi, Qing Wang, Luping Yu

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


A single photorefractive (PR) molecule was designed and synthesized by incorporating an oligo(3-alkylthiophene) segment with a nonlinear optical chromophore. The conjugated oligothiophene moiety played as both the photocharge generator and the charge transporter. The PR properties of this molecule showed a strong dependence on the applied electric field due to the orientational enhancement effect, as well as the linear electro-optic effect. Large net gain coefficient and diffraction efficiency were achieved in this single molecule system. The studies of the dynamics of the formation of the holographic gratings revealed that this material has a fast response time to optical signals.

Original languageEnglish (US)
Pages (from-to)927-931
Number of pages5
JournalAdvanced Materials
Issue number12
StatePublished - Jan 1 1998

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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