Abstract
The idea of a laser operating on the basis of "cold" ballistic electrons with E ≲ 0.1 ev was discussed in Ref. 1. It was shown that electrons with an energy below the height of the potential barrier of the superlattice, U0, would undergo transition between quasibands. The possibility of generating "hot" ballistic electrons, with E = 0.1-0.3 ev, injected into Ga As, was first demonstrated in Refs. 2 and 3.
© 1994 IEEE
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