M. B̈ttiker, R. Landauer
Physical Review B
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.
M. B̈ttiker, R. Landauer
Physical Review B
M. Büttiker, Y. Imry, et al.
Physics Letters A
R. Landauer
IEEE T-MTT
R. Landauer
Journal of Applied Physics