Title :
Ququarts based on biphotons
Author :
Kulik, S.P. ; Moreva, E.V. ; Straupe, S.S.
Author_Institution :
Fac. of Phys., Moscow State Univ., Moscow
Abstract :
We discuss transformation and measurement of arbitrary four-level optical quantum systems, based on biphotons. A simple scheme preparation of twelve basis states serving for quantum key distribution protocol is suggested as well.
Keywords :
quantum cryptography; quantum optics; biphotons; four-level optical quantum systems; quantum key distribution protocol; ququarts; Frequency; Nonlinear optics; Optical filters; Optical interferometry; Optical pumping; Optical retarders; Physics; Polarization; Protocols; Quantum mechanics; (190.0190) General; (270.0270) General;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628685
