%0 Journal Article
%A Luis Aina, Alfredo
%A Peřina, J.
%T SU(2) coherent states in parametric down-conversion
%D 1996
%@ 1050-2947
%U https://hdl.handle.net/20.500.14352/59730
%X The states generated from the vacuum in two parametric down-conversion crystals with aligned idler beams are studied. It is shown that after a measurement of the photon number in some of the modes, the emerging states can be related to SU(2) and SU(1,1) coherent acid minimum-uncertainty states.
%~