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- Title
On the Justification of Quantum Cryptography Based on Time Shifts.
- Authors
Molotkov, S. N.
- Abstract
The security of quantum cryptography based on time shifts has been mathematically proved. The procedures of preparing and measuring the most strongly localized states with a support in a finite frequency band are described. It has shown that measurements of states in the finite frequency band and a finite time window are sufficient for detecting any change in input states. The use of available multiplex fiber optic systems based on an arrayed waveguide grating for time-shift quantum cryptography is briefly discussed. © 2004 MAIK “Nauka / Interperiodica”.
- Subjects
FIBER optics; CRYPTOGRAPHY; SOLID state physics; QUANTUM theory; MATHEMATICAL physics
- Publication
JETP Letters, 2004, Vol 80, Issue 7, p507
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.1839301