Experimental Preparation of Optical Cat States Carrying Orbital Angular Momentum
Chenyu Qiao,
Fengyi Xu,
Meihong Wang
et al.
Abstract:As an important quantum resource, optical cat state is successfully prepared and applied in quantum information science. It is shown that optical quantum states carrying orbital angular momentum (OAM) have wide applications in quantum communication and quantum precision measurement. Here, optical cat states carrying OAM are experimentally prepared with topological charges = 0, +1, +2, +4 by changing the wavefront of the photon‐subtracted squeezed vacuum state with a combination of quarter‐wave plate and q‐plat… Show more
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