Fig. 1: Photonic processor architecture and operation.
From: Universal photonic processor for spatial mode decomposition
a Optical microscopy image of the photonic circuit highlighting the key components: the input interface for coupling free-space light into the circuit, single processing units featuring phase shifters (PS) and beam splitters (BS), and the output interface for extracting processed information. b Schematic representation of the photonic processor’s operation, illustrating the arrangement of processing units, indicating how light is guided within the mesh.
