We show that surface waves - surface plasmon-polariton (SPP) with frequencies in the THz range can be excited at semiconductor surfaces by optical beams that scan the surface. This technique opens new ways to build THz sources and perform surface spectroscopy.
Generation of THz surface waves by a superluminous optical spot
01.01.2004
177639 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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