Figure 1 | Scientific Reports

Figure 1

From: Asymmetric adiabatic couplers for fully-integrated broadband quantum-polarization state preparation

Figure 1

Schematic of a fully integrated quantum-polarization state source, with a Ti-diffused PPLN waveguide designed for type-II phase matching in the SPDC, an EO PMC with the electrodes PA and GA, and an AAC being used for photon-pair generation, EO-tunable polarization state conversion and polarization-wavelength beam splitting, respectively. The time-delay compensation of the cross-polarized modes can be completed by the electrodes PB and GB within the AAC.

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