All-optical modulation using two-photon absorption in silicon core optical fibers


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), pp. 19078-19083. (doi:10.1364/OE.19.019078).

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Description/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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/OE.19.019078
ISSNs: 1094-4087 (print)
Related URLs:
Subjects:
Organisations: Optoelectronics Research Centre, Physics & Astronomy
ePrint ID: 201073
Date :
Date Event
September 2011Published
Date Deposited: 28 Oct 2011 07:46
Last Modified: 18 Apr 2017 01:24
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/201073

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