Temporal spying and concealing process in fibre-optic data transmission systems through polarization bypass

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Abstract

Recent research has been focused on the ability to manipulate a light beam in such a way to hide, namely to cloak, an event over a finite time or localization in space. The main idea is to create a hole or a gap in the spatial or time domain so as to allow for an object or data to be kept hidden for a while and then to be restored. By enlarging the field of applications of this concept to telecommunications, researchers have recently reported the possibility to hide transmitted data in an optical fibre. Here we report the first experimental demonstration of perpetual temporal spying and blinding process of optical data in fibre-optic transmission line based on polarization bypass. We successfully characterize the performance of our system by alternatively copying and then concealing 100% of a 10-Gb €‰s ̂ 1 transmitted signal. © 2014 Macmillan Publishers Limited. All rights reserved.

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Bony, P. Y., Guasoni, M., Morin, P., Sugny, D., Picozzi, A., Jauslin, H. R., … Fatome, J. (2014). Temporal spying and concealing process in fibre-optic data transmission systems through polarization bypass. Nature Communications, 5. https://doi.org/10.1038/ncomms5678

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