All-optical modulation using two-photon absorption in silicon core optical fibers
All-optical modulation using two-photon absorption in silicon core optical fibers
All-optical modulation based on degenerate and non-degenerate two-photon absorption (TPA) is demonstrated within a hydrogenated amorphous silicon core optical fiber. The nonlinear absorption strength is determined by comparing the results of pump-probe experiments with numerical simulations of the coupled propagation equations. Subpicosecond modulation is achieved with an extinction ratio of more than 4dB at telecommunications wavelengths, indicating the potential for these fibers to find use in high speed signal processing applications.
19078-19083
Mehta, P.
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Healy, N.
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Day, T.D.
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Sparks, J.R.
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Sazio, P.J.A.
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Badding, J.V.
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Peacock, A.C.
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September 2011
Mehta, P.
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Healy, N.
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Day, T.D.
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Sparks, J.R.
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Sazio, P.J.A.
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Badding, J.V.
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Peacock, A.C.
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Mehta, P., Healy, N., Day, T.D., Sparks, J.R., Sazio, P.J.A., Badding, J.V. and Peacock, A.C.
(2011)
All-optical modulation using two-photon absorption in silicon core optical fibers.
Optics Express, 19 (20), .
(doi:10.1364/OE.19.019078).
Abstract
All-optical modulation based on degenerate and non-degenerate two-photon absorption (TPA) is demonstrated within a hydrogenated amorphous silicon core optical fiber. The nonlinear absorption strength is determined by comparing the results of pump-probe experiments with numerical simulations of the coupled propagation equations. Subpicosecond modulation is achieved with an extinction ratio of more than 4dB at telecommunications wavelengths, indicating the potential for these fibers to find use in high speed signal processing applications.
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oe-19-20-19078
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Published date: September 2011
Organisations:
Optoelectronics Research Centre, Physics & Astronomy
Identifiers
Local EPrints ID: 201073
URI: http://eprints.soton.ac.uk/id/eprint/201073
ISSN: 1094-4087
PURE UUID: af06087e-b4bb-481b-948d-18317a91a4ec
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Date deposited: 28 Oct 2011 07:46
Last modified: 15 Mar 2024 03:15
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Contributors
Author:
P. Mehta
Author:
N. Healy
Author:
T.D. Day
Author:
J.R. Sparks
Author:
J.V. Badding
Author:
A.C. Peacock
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