Nonlinear generation of ultra-flat broadened spectrum based on adaptive pulse shaping
Nonlinear generation of ultra-flat broadened spectrum based on adaptive pulse shaping
This paper investigates the nonlinear generation of ultra-flat broadband spectra suited to communication applications. The technique is based on the inclusion of a linear pulse shaping element prior to a nonlinear fiber, where highly controllable spectral broadening is enabled. An adaptive pulse shaping system exploiting optimization algorithms (evolution strategy - ES) allows for automatic convergence to the desired spectrum. Using this technique, a spectrum exhibiting a 3-dB bandwidth of ~12nm and a 0.5-dB bandwidth of ~8nm is reported. The technique can be used to generate even broader spectra or indeed spectra exhibiting more exotic shapes.
1971-1977
Yang, Xin
207eb6d4-8f41-4bdc-be52-fc95bb33f450
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
15 June 2012
Yang, Xin
207eb6d4-8f41-4bdc-be52-fc95bb33f450
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Yang, Xin, Richardson, David J. and Petropoulos, Periklis
(2012)
Nonlinear generation of ultra-flat broadened spectrum based on adaptive pulse shaping.
Journal of Lightwave Technology, 30 (12), .
(doi:10.1109/JLT.2012.2193383).
Abstract
This paper investigates the nonlinear generation of ultra-flat broadband spectra suited to communication applications. The technique is based on the inclusion of a linear pulse shaping element prior to a nonlinear fiber, where highly controllable spectral broadening is enabled. An adaptive pulse shaping system exploiting optimization algorithms (evolution strategy - ES) allows for automatic convergence to the desired spectrum. Using this technique, a spectrum exhibiting a 3-dB bandwidth of ~12nm and a 0.5-dB bandwidth of ~8nm is reported. The technique can be used to generate even broader spectra or indeed spectra exhibiting more exotic shapes.
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Published date: 15 June 2012
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 339963
URI: http://eprints.soton.ac.uk/id/eprint/339963
ISSN: 0733-8724
PURE UUID: eb5508d0-2202-42a8-9838-937faf4a8be7
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Date deposited: 06 Jun 2012 12:16
Last modified: 15 Mar 2024 02:57
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Author:
Xin Yang
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