Measurement-DI QKD

Measurement-device-independent quantum key distribution is a proposed solution to detector side channel attacks. It removes all detector side channels and doubles the secure distance with conventional lasers. It can be implemented with standard optical components with low detection efficiency and lossy channels. It does not require detectors of near unity detection efficiency combined with a qubit amplifier nor a quantum non-demolition measurement of number of photons in a pulse. Its key generation rate is many orders of magnitude higher than that based on full device independent QKD.