Continuous Variable Entanglement in an Optical Parametric Oscillator Based on a Nondegenerate Four Wave Mixing Process in Hot Alkali Atoms - Guerrero, Alvaro Montaña; Celis, Raul Leonardo Rincon; Nussenzveig, Paulo Alberto; Martinelli, Marcelo; Marino, Alberto; Florez, Hans Marin (Physical Review Letters, 2022)