Large Kerr effect in bulk Se-based chalcogenide glasses

G. Lenz, J. Zimmermann, T. Katsufuji, M. E. Lines, H. Y. Hwang, S. Spälter, R. E. Slusher, S. W. Cheong, J. S. Sanghera, I. D. Aggarwal

Research output: Contribution to journalArticlepeer-review

311 Scopus citations


High-speed optical communication requires ultrafast all-optical processing and switching capabilities. The Kerr nonlinearity, an ultrafast optical nonlinearity, is often used as the basic switching mechanism. A practical, small device that can be switched with ∼1-pJ energies requires a large Kerr effect with minimal losses (both linear and nonlinear). We have investigated theoretically and experimentally a number of Sebased chalcogenide glasses. We have found a number of compounds with a Kerr nonlinearity hundreds of times larger than silica, making them excellent candidates for ultrafast all-optical devices.

Original languageEnglish (US)
Pages (from-to)254-256
Number of pages3
JournalOptics Letters
Issue number4
StatePublished - Feb 15 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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