Molecular devices operating at terahertz frequencies: theoretical simulations and perspectives

Details Molecular devices operating at terahertz frequencies: theoretical simulations and perspectives Molecular devices operating at terahertz frequencies: theoretical simulations and perspectives

Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5411..103s&link_type=abstract

Terahertz for Military and Security Applications II. Edited by Hwu, R. Jennifer; Woolard, Dwight L. Proceedings of the SPIE, Vol

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We review dynamic simulations on a molecular device named "nanocell" proposed for THz signal processing. In this preliminary study we conclude that signals applied to nanosized gold clusters interconnecting single molecules can modulate vibrational modes in the THz spectrum of the internal coordinates defining molecular bonds. Intensities involved in natural vibrational modes, which are experimentally recoverable in spectroscopy measurements. We can recover components due to couplings between local modes, and thus we provide a computational simulation of the possibility of using molecular vibrational modes for molecular electronics. The vibration of atoms can encode information that reflects local variations of electrical dipole and polarizability.

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