Ultrashort, near-infrared laser pulses with less than four femtoseconds in duration were focused on solid-state devices consisting of a microscopic metal-dielectric-metal interface. The strong electric field of the laser pulses caused a charge carrier excitation in the dielectric, leading to a strong increase of its electrical conductivity and polarizability. As a consequence, an electric signal was detected between the metal electrodes of the device that is controlled by varying the phase offset between the envelope and the rapidly oscillating instantaneous electric field of the laser pulse.
«
Ultrashort, near-infrared laser pulses with less than four femtoseconds in duration were focused on solid-state devices consisting of a microscopic metal-dielectric-metal interface. The strong electric field of the laser pulses caused a charge carrier excitation in the dielectric, leading to a strong increase of its electrical conductivity and polarizability. As a consequence, an electric signal was detected between the metal electrodes of the device that is controlled by varying the phase offse...
»