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Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals

Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals
Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals
We report on wavelength conversion through four-wave-mixing in silicon slot-waveguides with embedded silicon nanocrystals. The combination of strong optical confinement and Si:nc nonlinearity provides a huge waveguide nonlinear coefficient γ = 1100 W-1.m-1. Moreover, the improvement in the fabrication procedure allowed a loss reduction with respect to previous reported structures, enabling the achievement of an extreme value for the conversion efficiency which represents the best result ever reported in the scientific literature.
0003-6951
Trita, A.
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Lacava, C.
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Minzioni, P.
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Colonna, J.P.
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Gautier, P.
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Fedeli, J.-M.
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Cristiani, I.
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Trita, A.
fdaeb01d-fde9-4c09-bdc6-3dbac7b563cc
Lacava, C.
a0a31a27-23ac-4a73-8bb4-2f02368fb8bd
Minzioni, P.
b3c7ad72-d91c-42cf-be38-d949d6d2e264
Colonna, J.P.
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Gautier, P.
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Fedeli, J.-M.
dfd01829-9a9a-4157-b9fe-aafa1a3d00e9
Cristiani, I.
ca05c320-279d-4b2a-af71-c506b3d20822

Trita, A., Lacava, C., Minzioni, P., Colonna, J.P., Gautier, P., Fedeli, J.-M. and Cristiani, I. (2011) Ultra-high four wave mixing efficiency in slot waveguides with silicon nanocrystals. Applied Physics Letters, 99 (19), [191105]. (doi:10.1063/1.3659694).

Record type: Article

Abstract

We report on wavelength conversion through four-wave-mixing in silicon slot-waveguides with embedded silicon nanocrystals. The combination of strong optical confinement and Si:nc nonlinearity provides a huge waveguide nonlinear coefficient γ = 1100 W-1.m-1. Moreover, the improvement in the fabrication procedure allowed a loss reduction with respect to previous reported structures, enabling the achievement of an extreme value for the conversion efficiency which represents the best result ever reported in the scientific literature.

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Published date: 30 November 2011
Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 413837
URI: http://eprints.soton.ac.uk/id/eprint/413837
DOI: doi:10.1063/1.3659694
ISSN: 0003-6951
PURE UUID: c574b00b-64dd-4de6-946a-c6ba2fff03b3
ORCID for C. Lacava: ORCID iD orcid.org/0000-0002-9950-8642

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Date deposited: 07 Sep 2017 16:32
Last modified: 15 Mar 2024 15:54

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Contributors

Author: A. Trita
Author: C. Lacava ORCID iD
Author: P. Minzioni
Author: J.P. Colonna
Author: P. Gautier
Author: J.-M. Fedeli
Author: I. Cristiani

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