M. Pomerantz, N.S. Shiren
Physics Letters A
A new class of polarization echoes is reported in which the frequencies of the input pulses are harmonically related. The previously reported echo phenomenon in piezoelectric semiconductors is shown to be a special case in which all frequencies are the same. © 1975 The American Physical Society.
M. Pomerantz, N.S. Shiren
Physics Letters A
R.L. Melcher
ULTSYM 1970
F. Mehran, K.W.H. Stevens, et al.
Solid State Communications
T. Baumann, F.H. Dacol, et al.
Applied Physics Letters