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Two-photon absorption at telecommunications wavelengths in a dipolar chromophore with a pyrrole auxiliary donor and thiazole auxiliary acceptor

  • Luca Beverina
  • , Jie Fu
  • , Amalia Leclercq
  • , Egbert Zojer
  • , Peter Pacher
  • , Stephen Barlow
  • , Eric W. Van Stryland
  • , David J. Hagan
  • , Jean Luc Brédas
  • , Seth R. Marder

Research output: Contribution to journalArticlepeer-review

Abstract

Three new dipolar chromophores based on a diaklyaminophenyl donor, a pyrrole auxiliary donor, a thiazole auxiliary acceptor, and strong heterocyclic acceptors have been synthesized. For one of these compounds we have measured a very large non-degenerate two-photon cross section of ca. 1500 GM in the near-IR telecommunications range using a pump-probe technique. Calculations indicate the cross section for degenerate two-photon absorption is likely to be ca. 60% of this value.

Original languageEnglish (US)
Pages (from-to)7282-7283
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number20
DOIs
StatePublished - May 25 2005
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry
  • Biochemistry
  • Colloid and Surface Chemistry

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