Method and systems for routing entangled photons to quantum network users via a …

This invention describes a system for directing pairs of entangled photons to different users in a quantum network. It uses a special reconfigurable network of optical switches, arranged in a repeating pattern, to guide the photons. A control system receives requests for photons, calculates how to set the switches, and then configures them to route the entangled pairs as needed.

Why it matters: Since 2017, significant progress in quantum optics and hardware has made the components for generating, manipulating, and routing entangled photons more robust and efficient, potentially enabling more practical implementations of such a network.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedQuantum optics, specialized hardware, control software

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