J. A. Freitas

Non-Equilibrium Distribution of Polaritons Induced in Bulk GaAs by Absorption of Second Harmonic Photons

R. Leite, J. Mattos, J. A. Freitas, 1974 .

Donors in cubic silicon carbide

W. J. Moore, P. Lin-Chung, J. A. Freitas, 1995 .

Raman scattering by the upper branch polariton in ZnO

R. Leite, J. H. Nicola, J. A. Freitas, 1975 .

Raman scattering studies of microcrystalline inclusions in fluoride glasses and fibers

J. Sanghera, I. Aggarwal, P. C. Pureza, 1992 .

Low frequency raman scattering of As2SxSe3−x

B. V. Shanabrook, U. Strom, J. A. Freitas, 1985 .

Below Gap Excitation Spectrum for Optically Induced Paramagnetic States in As2S3 Glass

S. G. Bishop, U. Strom, J. A. Freitas, 1985 .