Title :
Two-photon interference for quantum cryptography with a non-maximally entangled photon pair
Author :
Shimizu, Kaoru ; Takesue, Hiroki ; Tamaki, Kiyoshi
Author_Institution :
NTT Basic Res. Labs., NTT Corp., Atsugi, Japan
Abstract :
This paper proposes a novel scheme of quantum cryptography with the two-photon interference of a non-maximally entangled photon pair. The security is based on the impossibility of the local unitary transformation between the certain non-maximally entangled states.
Keywords :
light interference; optical communication; quantum cryptography; quantum entanglement; quantum optics; two-photon processes; nonmaximally entangled photon pair; quantum cryptography; two-photon interference; Cryptographic protocols; Cryptography; Decoding; Interference; Laboratories; Performance evaluation; Polarization; Quantum entanglement; Quantum mechanics; Security; 270.0270; 270.5568;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8