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Fig. 2 | PhotoniX

Fig. 2

From: Photonic-chip-based dense entanglement distribution

Fig. 2

Characterization of the samples. a A CCD photograph of the energy-time entanglement preparation chip, composed of a 32-channel AWG, 32 balanced MZIs and 32 UMZIs, 64 on-chip heaters, coupled with a 128-channel fiber array. b-c Microscope images of the AWG and UMZI. d Transmission of the 17 selected channels of the AWG, centered at C50 of international telecommunications union (ITU) grids

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