Beyond Quantum Dial-Up: Multiplexing for Photonic Clients on a Quantum Internet

We consider the case of multiplexing to enhance the rates achievable on a quantum network using photonic clients: cheap devices allowing everyday users to securely prepare qubits on a remote quantum server. Multiplexing circumvents low rates by loading many qubits in a shorter time. Several photonic client designs have been proposed with different physical properties that, in some cases, naturally lend themselves to multi-client, multi-emitter, and multi-server multiplexing. In this work, we survey photonic client design categories in the context of multiplexing, evaluate performance metrics for a rudimentary blind quantum computation protocol, and compare these metrics across quantum server and link quantum link performances.