ALL-OPTICAL DIGITAL CIRCUITS F.A.P. TOOLEY, B.S. WHERRETT, N.C. CRAFT, M.R. TAGHIZADEH, J.F. SNOWDON et S.D. SMITH J. Phys. Colloques, 49 C2 (1988) C2-459-C2-462 DOI: 10.1051/jphyscol:19882109