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High‐Dimensional Non‐Separable States
In article 2300593, Lan Hai, Zhichao Zhang, Shiyao Fu, and co‐workers propose a method to generate multi‐partite non‐separable states within a specially designed cavity. By introducing the coupling mechanism of spin angular momentum and orbital angular momentum (SAM‐OAM) into a folded‐cavity laser, a group of classical non‐separable states combining three degrees...
Non‐separable states of structured light have the analogous mathematical forms with quantum entanglement, which offer an effective way to simulate quantum process. However, the classical multi‐partite non‐separable states analogue to multi‐particle entanglements can only be controlled by bulky free‐space modulation of light through coupling multiple degrees of freedom (DoFs) with orbital angular momentum...
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