Quantum channel Quantum communication 2 Quantum entanglement Capacities of quantum channels 1 Capacity of quantum channel 1 Channel capacity 1 Channel coding 1 Classical communication 1 Communication channels (information theory) 1 Computation theory 1 Computer circuits 1 Decoding 1 Decoding circuits 1 Degrees of freedom (mechanics) 1 Encoding (symbols) 1 Encoding and decoding 1 Entangled photons 1 Entanglement distribution 1 Fault tolerance 1 Fault tolerant systems 1 Fault- tolerant systems 1 Fault-tolerant 1 Gate errors 1 Logic gates 1 Multi-cores 1 No-cloning theorem 1 Noisy channel 1 Photon pairs 1 Photons 1 Quantum capacity 1