N.S. Shiren
Applied Physics Letters
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.
N.S. Shiren
Applied Physics Letters
F. Mehran, K.W.H. Stevens, et al.
Solid State Communications
N.S. Shiren, R.B. Laibowitz, et al.
Physical Review B
J.A. Armstrong, N.S. Shiren, et al.
IEEE JQE