Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

F. C. Waldermann; Benjamin J. Sussman; J. Nunn; V. O. Lorenz; K. C. Lee; K. Surmacz; K. H. Lee; D. Jaksch; I. A. Walmsley; P. Spizziri; P. Olivero; S. Prawer

doi:10.1103/PhysRevB.78.155201

Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

F. C. Waldermann, Benjamin J. Sussman, J. Nunn, V. O. Lorenz, K. C. Lee, K. Surmacz, K. H. Lee, D. Jaksch, I. A. Walmsley, P. Spizziri, P. Olivero, S. Prawer

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Abstract

A technique to measure the decoherence time of optical phonons in a solid is presented. Phonons are excited with a pair of time-delayed 80 fs near infrared pulses via spontaneous transient Raman scattering. The spectral fringe visibility of the resulting Raman pulse pair, as a function of time delay, is used to measure the phonon dephasing time. The method avoids the need to use either narrow band or few femtosecond pulses and is useful for low phonon excitations. The dephasing time of phonons created in bulk diamond is measured to be τ=6.8 ps (Δν=1.56 cm-1).

Original language	English (US)
Article number	155201
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	78
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevB.78.155201
State	Published - Oct 9 2008
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.78.155201

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Waldermann, F. C., Sussman, B. J., Nunn, J., Lorenz, V. O., Lee, K. C., Surmacz, K., Lee, K. H., Jaksch, D., Walmsley, I. A., Spizziri, P., Olivero, P., & Prawer, S. (2008). Measuring phonon dephasing with ultrafast pulses using Raman spectral interference. Physical Review B - Condensed Matter and Materials Physics, 78(15), Article 155201. https://doi.org/10.1103/PhysRevB.78.155201

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title = "Measuring phonon dephasing with ultrafast pulses using Raman spectral interference",

abstract = "A technique to measure the decoherence time of optical phonons in a solid is presented. Phonons are excited with a pair of time-delayed 80 fs near infrared pulses via spontaneous transient Raman scattering. The spectral fringe visibility of the resulting Raman pulse pair, as a function of time delay, is used to measure the phonon dephasing time. The method avoids the need to use either narrow band or few femtosecond pulses and is useful for low phonon excitations. The dephasing time of phonons created in bulk diamond is measured to be τ=6.8 ps (Δν=1.56 cm-1).",

author = "Waldermann, {F. C.} and Sussman, {Benjamin J.} and J. Nunn and Lorenz, {V. O.} and Lee, {K. C.} and K. Surmacz and Lee, {K. H.} and D. Jaksch and Walmsley, {I. A.} and P. Spizziri and P. Olivero and S. Prawer",

year = "2008",

month = oct,

day = "9",

doi = "10.1103/PhysRevB.78.155201",

language = "English (US)",

volume = "78",

journal = "Physical Review B - Condensed Matter and Materials Physics",

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T1 - Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

AU - Waldermann, F. C.

AU - Sussman, Benjamin J.

AU - Nunn, J.

AU - Lorenz, V. O.

AU - Lee, K. C.

AU - Surmacz, K.

AU - Lee, K. H.

AU - Jaksch, D.

AU - Walmsley, I. A.

AU - Spizziri, P.

AU - Olivero, P.

AU - Prawer, S.

PY - 2008/10/9

Y1 - 2008/10/9

N2 - A technique to measure the decoherence time of optical phonons in a solid is presented. Phonons are excited with a pair of time-delayed 80 fs near infrared pulses via spontaneous transient Raman scattering. The spectral fringe visibility of the resulting Raman pulse pair, as a function of time delay, is used to measure the phonon dephasing time. The method avoids the need to use either narrow band or few femtosecond pulses and is useful for low phonon excitations. The dephasing time of phonons created in bulk diamond is measured to be τ=6.8 ps (Δν=1.56 cm-1).

AB - A technique to measure the decoherence time of optical phonons in a solid is presented. Phonons are excited with a pair of time-delayed 80 fs near infrared pulses via spontaneous transient Raman scattering. The spectral fringe visibility of the resulting Raman pulse pair, as a function of time delay, is used to measure the phonon dephasing time. The method avoids the need to use either narrow band or few femtosecond pulses and is useful for low phonon excitations. The dephasing time of phonons created in bulk diamond is measured to be τ=6.8 ps (Δν=1.56 cm-1).

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IS - 15

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Measuring phonon dephasing with ultrafast pulses using Raman spectral interference

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