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Nanoscale light-induced melting as a mechanism for broadband optical switching

Nanoscale light-induced melting as a mechanism for broadband optical switching
Nanoscale light-induced melting as a mechanism for broadband optical switching
We show that the strong nonlinear optical response of gallium/silica interfaces to nanosecond laser pulses, at wavelengths between 440 to 680 nm, is the consequence of light-induced melting in a layer of gallium just a few tens of nanometers thick. This conclusion is supported by numerical modeling of the interaction between laser radiation and a gallium/silica interface and of subsequent changes in the thermal and optical properties of the structure.
Nonlinear optics, Gallium, Phase transition
1543-0537
53-76
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
MacDonald, K. F.
76c84116-aad1-4973-b917-7ca63935dba5
Stevens, G. C.
1afb61b6-e12f-4176-8801-68a0a83a4aee
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Fedotov, V. A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
MacDonald, K. F.
76c84116-aad1-4973-b917-7ca63935dba5
Stevens, G. C.
1afb61b6-e12f-4176-8801-68a0a83a4aee
Zheludev, N. I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Fedotov, V. A., MacDonald, K. F., Stevens, G. C. and Zheludev, N. I. (2003) Nanoscale light-induced melting as a mechanism for broadband optical switching. Nonlinear Optics, Quantum Optics: Concepts in Modern Optics, 30 (1), 53-76.

Record type: Article

Abstract

We show that the strong nonlinear optical response of gallium/silica interfaces to nanosecond laser pulses, at wavelengths between 440 to 680 nm, is the consequence of light-induced melting in a layer of gallium just a few tens of nanometers thick. This conclusion is supported by numerical modeling of the interaction between laser radiation and a gallium/silica interface and of subsequent changes in the thermal and optical properties of the structure.

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More information

Published date: 2003
Keywords: Nonlinear optics, Gallium, Phase transition

Identifiers

Local EPrints ID: 28681
URI: https://eprints.soton.ac.uk/id/eprint/28681
ISSN: 1543-0537
PURE UUID: 3d02277f-e5f5-4248-afeb-305e3b5543b7
ORCID for K. F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for N. I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 05 May 2006
Last modified: 20 Jul 2019 01:22

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Contributors

Author: V. A. Fedotov
Author: K. F. MacDonald ORCID iD
Author: G. C. Stevens
Author: N. I. Zheludev ORCID iD

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