Abstract
A sharp estimate is given for the amount of Shannon information and expected collision probability. This estimate is valid for all eavesdropping strategies described by a generalized measurement and restricted to the Hilbert space of the one-photon state. The optimal generalized measurement is explicitly given.
Original language | English |
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Pages (from-to) | 97-111 |
Number of pages | 14 |
Journal | Physical Review A |
Volume | 54 |
Issue number | 1 |
DOIs | |
Publication status | Published - Jul 1996 |
Keywords
- physics
- quantum
- measurement
- collision probability
- eavesdropping
- security
- photon