Direct picosecond measurement of photoinduced Cooper-pair breaking in lead

J. F. Federici; B. I. Greene; P. N. Saeta; D. R. Dykaar; F. Sharifi; R. C. Dynes

doi:10.1103/PhysRevB.46.11153

Direct picosecond measurement of photoinduced Cooper-pair breaking in lead

J. F. Federici, B. I. Greene, P. N. Saeta, D. R. Dykaar, F. Sharifi, R. C. Dynes

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36 Scopus citations

Abstract

We report on a direct kinetic measurement of Cooper-pair breaking in superconducting lead. A 100-fs pulse of visible light was used to excite a thin-film lead sample, while the Cooper-pair density was optically probed using an ultrashort pulse of broadband far-infrared radiation. Subsequent to the absorption of the visible light, a rapid (<1 ps) change in the far-infrared optical transmission was observed, corresponding to the breaking of Cooper pairs and the collapse of the superconducting gap.

Original language	English (US)
Pages (from-to)	11153-11156
Number of pages	4
Journal	Physical Review B
Volume	46
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.46.11153
State	Published - 1992
Externally published	Yes

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1103/PhysRevB.46.11153

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abstract = "We report on a direct kinetic measurement of Cooper-pair breaking in superconducting lead. A 100-fs pulse of visible light was used to excite a thin-film lead sample, while the Cooper-pair density was optically probed using an ultrashort pulse of broadband far-infrared radiation. Subsequent to the absorption of the visible light, a rapid (<1 ps) change in the far-infrared optical transmission was observed, corresponding to the breaking of Cooper pairs and the collapse of the superconducting gap.",

author = "Federici, {J. F.} and Greene, {B. I.} and Saeta, {P. N.} and Dykaar, {D. R.} and F. Sharifi and Dynes, {R. C.}",

year = "1992",

doi = "10.1103/PhysRevB.46.11153",

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AU - Federici, J. F.

AU - Greene, B. I.

AU - Saeta, P. N.

AU - Dykaar, D. R.

AU - Sharifi, F.

AU - Dynes, R. C.

PY - 1992

Y1 - 1992

N2 - We report on a direct kinetic measurement of Cooper-pair breaking in superconducting lead. A 100-fs pulse of visible light was used to excite a thin-film lead sample, while the Cooper-pair density was optically probed using an ultrashort pulse of broadband far-infrared radiation. Subsequent to the absorption of the visible light, a rapid (<1 ps) change in the far-infrared optical transmission was observed, corresponding to the breaking of Cooper pairs and the collapse of the superconducting gap.

AB - We report on a direct kinetic measurement of Cooper-pair breaking in superconducting lead. A 100-fs pulse of visible light was used to excite a thin-film lead sample, while the Cooper-pair density was optically probed using an ultrashort pulse of broadband far-infrared radiation. Subsequent to the absorption of the visible light, a rapid (<1 ps) change in the far-infrared optical transmission was observed, corresponding to the breaking of Cooper pairs and the collapse of the superconducting gap.

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JF - Physical Review B

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Direct picosecond measurement of photoinduced Cooper-pair breaking in lead

Abstract

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