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Light-driven nanoscale vectorial currents

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Light-driven nanoscale vectorial currents

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  • Author: J. Pettine, P. Padmanabhan, T. Shi, L. Gingras, L. McClintock, Ch.-Ch. Chang, K. W. C. Kwock, L. Yuan, Y. Huang, J. Nogan, J. K. Baldwin, P. Adel, R. Holzwarth, A. K. Azad, F. Ronning, A. J. Taylor, R. P. Prasankumar, Sh.-Z. Lin, & H.-T. Chen
Controlled charge flows are fundamental to many areas of science and technology, serving as carriers of energy and information, as probes of material properties and dynamics and as a means of revealing or even inducing broken symmetries. Emerging methods for light-based current control offer particularly promising routes beyond the speed and adaptability limitations of conventional voltage-driven systems. However, optical generation and manipulation of currents at nanometre spatial scales remains a basic challenge and a crucial step towards scalable optoelectronic systems for microelectronics and information science.

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