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Fig. 3 | PhotoniX

Fig. 3

From: Chip-to-chip optical multimode communication with universal mode processors

Fig. 3

Verification of chip-generated orthogonal modes. a The experimental setup for testing the modes generated by the trained mode generator. The SLM is used to demodulate the four orthogonal modes. A CCD is placed behind the SLM to capture the far-field interference pattern. b The far-field interference pattern of the demodulated LP and OAM modes (generated by the mode generator). The interference centers are marked with black circles

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