Generating a perfect quantum optical vortex
Anindya Banerji, Ravindra Pratap Singh, Dhruba Banerjee, Abir Bandyopadhyay · Physical Review A · 2016
In this article we introduce an interesting quantum state, the perfect quantum optical vortex state which exhibits a highly localized distribution along a ring in the quadrature space. We examine its nonclassical properties using the Wigner function and the negativity volume. Such a quantum state can be a useful resource for quantum information processing and communication.