Enhanced Bell state measurement for efficient measurement-device-independent quantum key distribution using 3-dimensional quantum states
arXiv:1901.08717 · doi:10.1038/s41598-018-36513-x
Abstract
We propose an enhanced discrimination measurement for tripartite 3-dimensional entangled states in order to improve the discernible number of orthogonal entangled states. The scheme suggests 3-dimensional Bell state measurement by exploiting composite two 3-dimensional state measurement setups. The setup relies on state-of-the-art techniques, a multi-port interferometer and nondestructive photon number measurements that are used for the post-selection of suitable ensembles. With this scheme, the sifted signal rate of measurement-device-independent quantum key distribution using 3-dimensional quantum states is improved by up to a factor of three compared with that of the best existing setup.
11 pages, 7 figures
References in corpus (9)
- Device-independent security of quantum cryptography against collective attacks
- Secure Quantum Key Distribution
- Distillation of secret key and entanglement from quantum states
- Device-independent quantum key distribution secure against collective attacks
- Secure device-independent quantum key distribution with causally independent measurement devices
- Entanglement by Path Identity
- Multi-path entanglement of two photons
- Key rate enhancement using qutrit states for uncharacterized quantum key distribution
- Non-destructive photon detection using a single rare earth ion coupled to a photonic cavity