Excitation of coherent phonon polaritons in a centrosymmetric crystal:TiO2

CID B. DE ARAUJO; SANDRA S. VIANNA; A. S. B. SOMBRA

International Quantum Electronics Conference
OSA Technical Digest (Optica Publishing Group, 1986),
paper WGG10

Excitation of coherent phonon polaritons in a centrosymmetric crystal:TiO₂

CID B. DE ARAUJO, SANDRA S. VIANNA, and A. S. B. SOMBRA

International Quantum Electronics Conference 1986

San Francisco, California United States
9–13 June 1986
ISBN: 0-936659-11-4

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Poster Session: 2 (WGG)

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C. B. DE ARAUJO, S. S. VIANNA, and A. S. B. SOMBRA, "Excitation of coherent phonon polaritons in a centrosymmetric crystal:TiO2," in International Quantum Electronics Conference, M. Richardson, C. Tang, D. Grischkowsky, and T. Hansch, eds., OSA Technical Digest (Optica Publishing Group, 1986), paper WGG10.

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Abstract

We report the first excitation of coherent phonon-polaritons in a centrosymmetric crystal. Rutile (TiO₂) was the selected material because it presents a very high electric quadrupolar susceptibility,^1,2 and it is representative of a large number of compounds having the same crystalline structure.

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