A novel integrated quantum circuit for high-order W-state generation and its highly precise characterization
2015
Heilmann, René | Gräfe, Markus | Nolte, Stefan | Szameit, Alexander
Multipartite entangled states like the W-class are of growing interest since they exhibit a variety of possible applications ranging from quantum computation to genuine random number generation. Here, we present a universal setup to generate high-order single photon W-states based on three-dimensional integrated-photonic waveguide structures. Additionally, we present a novel method to characterize the device’s unitary by means of classical light only.
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