The optical kerr effect in small metal particles and metal colloids: The case of gold

F. Hache; D. Ricard; C. Flytzanis; U. Kreibig

doi:10.1007/BF00615498

The optical kerr effect in small metal particles and metal colloids: The case of gold

F. Hache
, D. Ricard
, C. Flytzanis
, U. Kreibig

Universität des Saarlandes

Research output: Contribution to journal › Article › peer-review

Abstract

We first consider theoretically the various mechanisms contributing to the Kerr nonlinearity in small gold particles. The major ones are the conduction electron intraband contribution, the saturation of direct interband transitions and the change in dielectric constant due to hot photoexcited electrons. We present experimental results obtained using optical phase conjugation in gold-doped glasses. By varying several parameters, we were able to ascertain the origin of the nonlinear response: the main contributions are the hotelectron and the interband contributions. All experimental results, including saturation behaviour, are fully understood.

Original language	English
Pages (from-to)	347-357
Number of pages	11
Journal	Applied Physics A: Materials Science and Processing
Volume	47
Issue number	4
DOIs	https://doi.org/10.1007/BF00615498
Publication status	Published - 1 Dec 1988

Keywords

42.65
78.20
82.70

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10.1007/BF00615498

Cite this

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title = "The optical kerr effect in small metal particles and metal colloids: The case of gold",

abstract = "We first consider theoretically the various mechanisms contributing to the Kerr nonlinearity in small gold particles. The major ones are the conduction electron intraband contribution, the saturation of direct interband transitions and the change in dielectric constant due to hot photoexcited electrons. We present experimental results obtained using optical phase conjugation in gold-doped glasses. By varying several parameters, we were able to ascertain the origin of the nonlinear response: the main contributions are the hotelectron and the interband contributions. All experimental results, including saturation behaviour, are fully understood.",

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T1 - The optical kerr effect in small metal particles and metal colloids

T2 - The case of gold

AU - Hache, F.

AU - Ricard, D.

AU - Flytzanis, C.

AU - Kreibig, U.

PY - 1988/12/1

Y1 - 1988/12/1

N2 - We first consider theoretically the various mechanisms contributing to the Kerr nonlinearity in small gold particles. The major ones are the conduction electron intraband contribution, the saturation of direct interband transitions and the change in dielectric constant due to hot photoexcited electrons. We present experimental results obtained using optical phase conjugation in gold-doped glasses. By varying several parameters, we were able to ascertain the origin of the nonlinear response: the main contributions are the hotelectron and the interband contributions. All experimental results, including saturation behaviour, are fully understood.

AB - We first consider theoretically the various mechanisms contributing to the Kerr nonlinearity in small gold particles. The major ones are the conduction electron intraband contribution, the saturation of direct interband transitions and the change in dielectric constant due to hot photoexcited electrons. We present experimental results obtained using optical phase conjugation in gold-doped glasses. By varying several parameters, we were able to ascertain the origin of the nonlinear response: the main contributions are the hotelectron and the interband contributions. All experimental results, including saturation behaviour, are fully understood.

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KW - 82.70

U2 - 10.1007/BF00615498

DO - 10.1007/BF00615498

M3 - Article

AN - SCOPUS:0024142884

SN - 0947-8396

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EP - 357

JO - Applied Physics A: Materials Science and Processing

JF - Applied Physics A: Materials Science and Processing

IS - 4

ER -

The optical kerr effect in small metal particles and metal colloids: The case of gold

Abstract

Keywords

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