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Nonlinear absorption and self-phase modulation in silicon optical fibres

Mehta, Priyanth, Healy, Noel, Sparks, Justin R., Day, Todd D., Sazio, Pier, Badding, John and Peacock, Anna C. (2011) Nonlinear absorption and self-phase modulation in silicon optical fibres At The European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC 2011), Germany. 22 - 26 May 2011.

Record type: Conference or Workshop Item (Paper)

Abstract

Silicon optical fibres are generating much interest as a means to directly integrate semiconductor functionality within the fibre architecture to provide a platform for compact all optical signal processing. For example, the high optical nonlinearity of the core material opens up the potential for these fibres to be used for signal regeneration in very short device lengths. In this paper we characterise the nonlinear optical properties of a step index hydrogenated amorphous silicon (a-Si:H) optical fibre and demonstrate its use for broadband self-phase modulation (SPM). The fibre was fabricated using a high pressure chemical fluid technique [1] to deposit the semiconductor into the central hole of a silica capillary. The resulting fibre had a core diameter of 6mm and a length of 1.5cm, with the linear transmission losses measured to be as low as 1.7dB/cm at 1550nm. As the effective nonlinear interaction length is reduced by the material loss, the realization of low losses is a necessary requirement for the observation of these processes.

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More information

e-pub ahead of print date: 2011
Additional Information: CE4.4
Venue - Dates: The European Conference on Lasers and Electro-Optics (CLEO/Europe-EQEC 2011), Germany, 2011-05-22 - 2011-05-26
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341432
URI: http://eprints.soton.ac.uk/id/eprint/341432
ISBN: 9781457705328
PURE UUID: 00c3358c-f922-4b3c-bc29-228fa6e2c55b
ORCID for Pier Sazio: ORCID iD orcid.org/0000-0002-6506-9266
ORCID for Anna C. Peacock: ORCID iD orcid.org/0000-0002-1940-7172

Catalogue record

Date deposited: 25 Jul 2012 07:55
Last modified: 18 Jul 2017 05:36

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Contributors

Author: Priyanth Mehta
Author: Noel Healy
Author: Justin R. Sparks
Author: Todd D. Day
Author: Pier Sazio ORCID iD
Author: John Badding
Author: Anna C. Peacock ORCID iD

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