EXPERIMENTAL INVESTIGATIONS OF THE QUANTUM PHOTOVOLTAIC EFFECT IN InAs-GaSb SEMICONDUCTOR SUPERLATTICES J. BLEUSE, P. VOISIN, M. VOOS, L.L. CHANG and L. ESAKI J. Phys. Colloques, 48 C5 (1987) C5-183-C5-186 DOI: 10.1051/jphyscol:1987536