期刊名称：International Journal of Computer Science & Technology
印刷版ISSN：2229-4333
电子版ISSN：0976-8491
出版年度：2012
卷号：3
期号：4
页码：486-489
语种：English
出版社：Ayushmaan Technologies
摘要：Secure distribution of the secret random bit sequences known as “key” material is an essential precursor to their use for the encryption and decryption of confidential communications. Quantum cryptography is a new technique for secure key distribution with single-photon transmissions: Heisenberg’s uncertainty principle ensures that an adversary can neither successfully tap the key transmissions, nor avoid detection (Eavesdropping raises the key error rate above a threshold value). We have developed experimental quantum cryptography systems based on the transmission of nonorthogonal photon states to generate shared key material over multi-kilometer optical fiber paths and over line-of-sight links.
关键词：Authentication;Classical Post Processing;Error Correction; Optical Networks;Privacy Amplification;Quantum Key;Shifting; Security Loop Holes in QKD
