Efficient Angular Separation of the Dense Orbital Angular Momentum of Light
Qingsong Yao,
Weichao Liu,
Jie Cheng
et al.
Abstract:Sorting orbital angular momentum (OAM) of light is crucial for the success of optical multiplexing systems. Recently, research on OAM sorting has achieved angular separation via photonic momentum transformation. Nevertheless, efficiently sorting dense OAM modes in angular directions still remains challenging. Here, we present a method to implement efficient angular separation of dense OAM modes. A hybrid Fresnel lens in the angular domain and radial domain is used in combination with an OAM multiplier to achie… Show more
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