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Nonlinear sculpturing of optical spectra

Nonlinear sculpturing of optical spectra
Nonlinear sculpturing of optical spectra
We present the experimental demonstration of a technique for the nonlinear generation of tailored broadband optical spectra. Our technique relies on the capability to precisely shape short optical pulses at the input of a highly nonlinear fibre. The precise pulse shape that needs to be fed to the nonlinear fibre is calculated from the spectral shape we wish to generate through inverse propagation calculations. A programmable optical filter is then used to transform the pulses of a short-pulse laser to the calculated waveform. An automated evolutionary algorithm is employed to monitor and optimise the filter characteristics. As an application example, we present the generation of a 10GHz ultra-flat (less than 1dB power fluctuations), broadband (>30nm) optical spectrum, starting from a 2ps mode-locked laser.
Petropoulos, P.
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Yang, X.
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Petropoulos, P.
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Yang, X.
aa9fef47-6ada-44e9-9239-3109f37f1638

Petropoulos, P. and Yang, X. (2012) Nonlinear sculpturing of optical spectra. ICTON '12: International Conference on Transparent Optical Networks, Warwick, United Kingdom. 02 - 05 Jul 2012. 4 pp . (doi:10.1109/ICTON.2012.6253926).

Record type: Conference or Workshop Item (Other)

Abstract

We present the experimental demonstration of a technique for the nonlinear generation of tailored broadband optical spectra. Our technique relies on the capability to precisely shape short optical pulses at the input of a highly nonlinear fibre. The precise pulse shape that needs to be fed to the nonlinear fibre is calculated from the spectral shape we wish to generate through inverse propagation calculations. A programmable optical filter is then used to transform the pulses of a short-pulse laser to the calculated waveform. An automated evolutionary algorithm is employed to monitor and optimise the filter characteristics. As an application example, we present the generation of a 10GHz ultra-flat (less than 1dB power fluctuations), broadband (>30nm) optical spectrum, starting from a 2ps mode-locked laser.

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e-pub ahead of print date: July 2012
Venue - Dates: ICTON '12: International Conference on Transparent Optical Networks, Warwick, United Kingdom, 2012-07-02 - 2012-07-05
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 367487
URI: https://eprints.soton.ac.uk/id/eprint/367487
PURE UUID: 5ee1b4e1-26d1-47e5-930a-7d8dc8f70245
ORCID for P. Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034

Catalogue record

Date deposited: 31 Jul 2014 10:30
Last modified: 25 Sep 2019 00:38

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Contributors

Author: P. Petropoulos ORCID iD
Author: X. Yang

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