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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 12 — Jun. 9, 2008
  • pp: 9054–9059

Coherent Raman spectroscopy of YBa2Cu3O7

A. Rubano, D. Paparo, F. Miletto Granozio, U. Scotti di Uccio, and L. Marrucci  »View Author Affiliations

Optics Express, Vol. 16, Issue 12, pp. 9054-9059 (2008)

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We report preliminary results on the optical driving and spectroscopic detection of Raman-active features in thin films of the high-temperature superconductor YBa2Cu3O7 in its normal phase by means of coherent Stokes and anti-Stokes Raman scattering, in a reflection geometry. Reference measurements on germanium are also reported. We observe phonon resonances which interfere coherently with a broad electronic resonance centered at zero frequency, giving rise to characteristic asymmetric spectral features. Our measurements provide a first step towards applying nonlinear optical wave-mixing spectroscopy to correlated electron systems.

© 2008 Optical Society of America

OCIS Codes
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering

ToC Category:
Nonlinear Optics

Original Manuscript: March 10, 2008
Revised Manuscript: April 24, 2008
Manuscript Accepted: April 24, 2008
Published: June 4, 2008

A. Rubano, D. Paparo, F. Miletto Granozio, U. Scotti di Uccio, and L. Marrucci, "Coherent Raman spectroscopy of YBa2Cu3O7," Opt. Express 16, 9054-9059 (2008)

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Fig. 1. Fig. 2. Fig. 3.

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