Coherent Raman spectroscopy of YBa_2Cu_3O_7 | Zendy

Andrea Rubano | Zendy; Domenico Paparo | Zendy; F. Miletto Granozio | Zendy; U. Scotti di Uccio | Zendy; Lorenzo Marrucci | Zendy

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Coherent Raman spectroscopy of YBa_2Cu_3O_7

Author(s) -

Andrea Rubano,

Domenico Paparo,

F. Miletto Granozio,

U. Scotti di Uccio,

Lorenzo Marrucci

Publication year - 2008

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.009054

Subject(s) - raman spectroscopy , coherent anti stokes raman spectroscopy , raman scattering , coherent spectroscopy , optics , materials science , spectroscopy , resonance (particle physics) , phonon , x ray raman scattering , superconductivity , coherent backscattering , reflection (computer programming) , phase (matter) , four wave mixing , scattering , nonlinear optics , condensed matter physics , atomic physics , physics , laser , quantum mechanics , computer science , programming language

We report preliminary results on the optical driving and spectroscopic detection of Raman-active features in thin films of the high-temperature superconductor YBa(2)Cu(3)O(7) 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.

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