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Pulse shaping-assisted nonlinear spectral broadening

Pulse shaping-assisted nonlinear spectral broadening
Pulse shaping-assisted nonlinear spectral broadening
Recent developments in optical fibre technology have allowed significant advances in the nonlinear generation and tailoring of broadband spectra. Much work in this direction has focused on the optimisation of the properties of the optical fibres used for the nonlinear pulse propagation. In this work, we combine the nonlinear element (a highly nonlinear fibre - HNLF) with a programmable phase and amplitude filter, which we use as a pulse shaper. This architecture allows power-efficient and flexible sculpturing of the output spectrum, which is no longer tied directly to the characteristics of the pulse source used at the input. The pulse shaping function is obtained by application of the inverse split-step Fourier method (ISSFM) [1], which uses the desired output spectrum and the HNLF characteristics as its input parameters [2]. As an example of the application of this technique, we study the generation of broadband flat (third-order super-Gaussian) spectra starting from a 10GHz mode-locked pulsed laser (MLL). Here we present our design procedure and a first experimental validation of the technique.
Yang, Xin
163ae9ea-be21-408b-867d-de3859e34993
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Yang, Xin
163ae9ea-be21-408b-867d-de3859e34993
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7

Yang, Xin, Richardson, David J. and Petropoulos, Periklis (2011) Pulse shaping-assisted nonlinear spectral broadening. European Conference on Lasers and Electro-Optics, Munich, Germany. 22 - 26 May 2011.

Record type: Conference or Workshop Item (Paper)

Abstract

Recent developments in optical fibre technology have allowed significant advances in the nonlinear generation and tailoring of broadband spectra. Much work in this direction has focused on the optimisation of the properties of the optical fibres used for the nonlinear pulse propagation. In this work, we combine the nonlinear element (a highly nonlinear fibre - HNLF) with a programmable phase and amplitude filter, which we use as a pulse shaper. This architecture allows power-efficient and flexible sculpturing of the output spectrum, which is no longer tied directly to the characteristics of the pulse source used at the input. The pulse shaping function is obtained by application of the inverse split-step Fourier method (ISSFM) [1], which uses the desired output spectrum and the HNLF characteristics as its input parameters [2]. As an example of the application of this technique, we study the generation of broadband flat (third-order super-Gaussian) spectra starting from a 10GHz mode-locked pulsed laser (MLL). Here we present our design procedure and a first experimental validation of the technique.

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More information

e-pub ahead of print date: 2011
Venue - Dates: European Conference on Lasers and Electro-Optics, Munich, Germany, 2011-05-22 - 2011-05-26
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341512
URI: https://eprints.soton.ac.uk/id/eprint/341512
PURE UUID: 595489e0-b706-4788-88e3-bad0df56f588
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034

Catalogue record

Date deposited: 26 Jul 2012 10:28
Last modified: 20 Aug 2019 00:39

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