ABSTRACT
Recently, several methods of generation of terahertz (THz) electromagnetic radiation received much attention. ¡is interest in THz radiation is inspired by the unique properties of submillimeter waves that ¢nd applications for microelectronics, spectroscopy, chemical and biological identi¢cation,
10.1 Introduction ......................................................................................239 10.2 ¡eory of Ballistic Electron Transport in n+–i-n+ Diode ...........241
