Stmicroelectronics S.r.l.

Michele Portico Ambrosio

Luigi Giuseppe Occhipinti

Salvatore Coffa

Maria Fortuna Bevilacqua

Maria Grazia Maglione

Salvatore Castorina

Described herein is an optically controlled electrical-switch device which includes a first current-conduction terminal and a second current-conduction terminal, and a carbon nanotube connected between the first and the second current-conduction terminals, the carbon nanotube being designed to be impinged upon by electromagnetic radiation and having an electrical conductivity that can be varied by varying the polarization of the electromagnetic radiation incident thereon. In particular, the carbon nanotube may for example, in given conditions of electrical biasing, present a high electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially parallel to the axis of the carbon nanotube itself, and a reduced electrical conductivity when it is impinged upon by electromagnetic radiation having a given wavelength and a polarization substantially orthogonal to the axis of the carbon nanotube itself.

Optically controlled electrical-switch device based upon carbon nanotubes and electrical-switch system using the switch device

Optically controlled switching methods based upon the polarization of electromagnetic radiation incident upon carbon nanotubes and electrical-switch systems using such switch devices

Described herein is an optically readable memory device comprising a molecular memory obtained using carbon nanotubes. In particular, the molecular memory uses, as memory element, a bundle of carbon nanotubes, for which it is possible to obtain at least two stable states by modifying their geometrical configuration and, consequently, their optical transmission properties.

Optically readable molecular memory obtained using carbon nanotubes, and method for storing information in said molecular memory

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Poggiomarino, Italy

Michele Portico Ambrosio