The use of the intrinsic Josephson effect in layered high-T-c supercon
ductors for parametric amplification of a signal in the presence of a
strong pump radiation is investigated. Model calculations are performe
d both for thin films and massive material with a surface parallel to
the c direction assuming normal incidence of the radiation with electr
ic field parallel in c direction. In both cases a positive signal gain
is obtained in a limited range of frequencies and pump power. (C) 199
7 American Institute of Physics.