Figure 1 | Concept of OAM operator enabled holography. (IMAGE)
Caption
Figure 1 | Concept of OAM operator enabled holography. a, Schematic of the optical OAM multiplication operator, mapping FOAM modes to IOAM modes for holographic reconstruction. b, Non-unique operator pathways. A FOAM mode can map to an IOAM mode via distinct operator-pathways, while an IOAM mode can also be generated from multiple FOAM modes. (c), Microwave data processing flow by using deep learning CNNs. In (c), Operator parametric space representation. Each operator-pathway maps to a unique helical trajectory, where TC is the topological charge of the incident fractional OAM beam, n is the multiplication scaling factor and d is the propagation distance, respectively in the method of coordinate transformation.
Credit
Yuping Chen et al.
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CC BY