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Generation of permanent second-order susceptibility in lead- silicate glass fibres

Generation of permanent second-order susceptibility in lead- silicate glass fibres
Generation of permanent second-order susceptibility in lead- silicate glass fibres
The creation of a permanent second-order susceptibility (chi (2)) for second-harmonic generation (SHG) in Ge-doped silica fiber has been reported by several authors using various techniques (exposure to IR, seeding with IR and its second harmonic, dc-field poling with blue light, and dc field only). Although the microscopic mechanism governing this interesting phenomenon is still not fully understood, it has been suggested that the alignment of defect centers plays an essential role. Defect centers, however, are known to exist or can be induced in many amorphous materials, including a variety of compound glasses that are commercially available. These commercially available compound glasses provide a wide range of options for the fiber core and cladding materials. Moreover, the effect observed to date in Ge-doped silica fibers may be present in a different and stronger form in fibers fabricated from compound glasses. It is therefore interesting to study fibers fabricated from various compound glasses. In this paper we report the first results, to our knowledge, for the dc-field poling effect in lead-silicate glass fibers.
Li, L.
3d47f862-e449-42d4-be13-5bf827cf8383
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Taylor, E.R.
d9a73a87-6abd-4a1e-a462-84549c667d19
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
Li, L.
3d47f862-e449-42d4-be13-5bf827cf8383
Wells, P.J.
2177ced9-6ea6-4bf6-af53-8df558df8107
Taylor, E.R.
d9a73a87-6abd-4a1e-a462-84549c667d19
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

Li, L., Wells, P.J., Taylor, E.R. and Payne, D.N. (1990) Generation of permanent second-order susceptibility in lead- silicate glass fibres. Integrated Photonics Research Conference, United States. 26 - 28 Mar 1990.

Record type: Conference or Workshop Item (Paper)

Abstract

The creation of a permanent second-order susceptibility (chi (2)) for second-harmonic generation (SHG) in Ge-doped silica fiber has been reported by several authors using various techniques (exposure to IR, seeding with IR and its second harmonic, dc-field poling with blue light, and dc field only). Although the microscopic mechanism governing this interesting phenomenon is still not fully understood, it has been suggested that the alignment of defect centers plays an essential role. Defect centers, however, are known to exist or can be induced in many amorphous materials, including a variety of compound glasses that are commercially available. These commercially available compound glasses provide a wide range of options for the fiber core and cladding materials. Moreover, the effect observed to date in Ge-doped silica fibers may be present in a different and stronger form in fibers fabricated from compound glasses. It is therefore interesting to study fibers fabricated from various compound glasses. In this paper we report the first results, to our knowledge, for the dc-field poling effect in lead-silicate glass fibers.

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More information

Published date: 1990
Venue - Dates: Integrated Photonics Research Conference, United States, 1990-03-26 - 1990-03-28

Identifiers

Local EPrints ID: 77483
URI: https://eprints.soton.ac.uk/id/eprint/77483
PURE UUID: 820e9f68-17c3-4a7e-89ab-7ca38d59d914

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:32

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Contributors

Author: L. Li
Author: P.J. Wells
Author: E.R. Taylor
Author: D.N. Payne

University divisions

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