Quantum-router: Storing and redirecting light at the photon level

25 Mar 2020 Korzeczek Martin C. Braun Daniel

We propose a method for spatially re-routing single photons or light in a coherent state with small average photon number by purely electronic means, i.e. without using mechanical devices such as micro-mirror arrays. The method is based on mapping the quantum state of the incoming light onto a spin-wave in an atomic vapor as is done in quantum memories of light... (read more)

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