Generalized Schrödinger cat states and their classical emulation

Armando Perez-Leija, Alexander Szameit, Irán Ramos-Prieto, Hector Moya-Cessa, and Demetrios N. Christodoulides
Phys. Rev. A, 93, 053815 (2016).
Doi: 
10.1103/PhysRevA.93.053815