Two-layer interconnection network architectures based on integrated concentric orbital angular...

Topological charge measurement of concentric OAM states using the phase-shift method

H Gao, Y Han, Y Li, D Zhu, M Sun, S Yu - JOSA A, 2018 - opg.optica.org
We proposed a method to measure orbital angular momentum (OAM) states by using a multi-
zone pure phase grating with the phase-shift technique. In free-space optical communication …
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