Title :
Entanglement-based free space quantum cryptography in full daylight
Author :
Gerhardt, Iljia ; Peloso, Matthew P. ; Ho, Caleb ; Lamas-Linares, Antia ; Kurtsiefer, Chirstian
Author_Institution :
Centre for Quantum Technol., Nat. Univ. of Singapore, Singapore, Singapore
Abstract :
Many free space quantum key distribution systems are restricted to operation at night. Implementing spectral, spatial and temporal filtering techniques, we were able to establish a secure key transmission over several days using entangled photons.
Keywords :
optical filters; quantum cryptography; quantum entanglement; free space quantum cryptography; quantum entanglement; quantum key distribution; spatial filtering; spectral filtering; temporal filtering; Drives; Filtering; Laboratories; Optical fiber communication; Optical filters; Protocols; Public key cryptography; Quantum entanglement; Quantum mechanics; Space technology; (270.5568) Quantum cryptography; (270.5585) Quantum information and processing;
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