Enhancement of optical nonlinearity of heavy-metal oxide glasses by replacing lead and bismuth with thallium

J. Yumoto, S. G. Lee, B. Kippelen, N. Peyghambarian, B. G. Aitken, N. F. Borrelli

Research output: Contribution to journalArticle

20 Scopus citations

Abstract

We report on the results of degenerate four-wave mixing experiments at a wavelength of 1.06 μm on a number of heavy-metal gallate glasses. The replacement of lead (Pb) and/or bismuth (Bi) by thallium (Tl) leads to an enhancement of the optical nonlinearity, resulting in the largest nonresonant electronic nonlinearity yet reported for an oxide glass. χ(3) is proportional to the concentration of Tl; samples with more than 25 cation % Tl have χ(3) larger than that of carbon disulfide (CS2). The optical nonlinearity has an off-resonant electronic origin, which is confirmed by measurements of the diagonal and off-diagonal components of the χ(3) tensor.

Original languageEnglish (US)
Pages (from-to)2630-2632
Number of pages3
JournalApplied Physics Letters
Volume63
Issue number19
DOIs
StatePublished - Dec 1 1993

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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