Figure 1: Measuring entanglement on a chip1. | Nature

Figure 1: Measuring entanglement on a chip1.

From: Entangled photons on a chip

Figure 1

A pair of photons is launched into a waveguide beamsplitter on a borosilicate-glass chip. By measuring whether the photons exit in separate waveguides or together in the same waveguide, the nature of the photons' entangled input state — singlet or triplet — can be determined.

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