R. Landauer, M. Büttiker
Physica Scripta
The velocities of the envelope and phase are derived for a laser pulse propagating in a nonlinear dielectric with intensity dependent index of refraction and an estimate made of the frequency shift due to the nonlinearity. © 1967.
R. Landauer, M. Büttiker
Physica Scripta
R. Landauer
Zeitschrift für Physik B Condensed Matter
R. Landauer, M. Buttiker
Physical Review B
R.J. Joenk
Journal of Applied Physics