Optical Fiber Communications and Devices 2012
DOI: 10.5772/26976
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Secure Long-Distance Quantum Communication over Optical Fiber Quantum Channels

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“…1 is used for long distance communication between the repeater nodes and practically less complex compared to other existing quantum communication systems. The DPS QKD system is functionally compatible with optical devices and networks because of it's integrity with these devices hence it is an important component for the whole area of network security 34 . Figure 1 shown, the DPS QKD system uses opticalfiber as a quantum channel and both the sender and receiver communicates via weak coherent pulses with encoding of logical bits in terms of relative phase of these pulses.…”
Section: The Noise Models Under Study and The Simulation Resultsmentioning
confidence: 99%
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“…1 is used for long distance communication between the repeater nodes and practically less complex compared to other existing quantum communication systems. The DPS QKD system is functionally compatible with optical devices and networks because of it's integrity with these devices hence it is an important component for the whole area of network security 34 . Figure 1 shown, the DPS QKD system uses opticalfiber as a quantum channel and both the sender and receiver communicates via weak coherent pulses with encoding of logical bits in terms of relative phase of these pulses.…”
Section: The Noise Models Under Study and The Simulation Resultsmentioning
confidence: 99%
“…The working principle of DPS QKD system is similar to B92 protocol, the encoding and decoding of sent pulses depends on the relative phases, if these are in phase that means encoded and decoded as 0, if relative phase is π, the logical bit is 1. Moreover some kind of security threats has to be considered because of weak coherent pulses (WCP) leave some of loop holes for eavesdroppers hence photon number splitting attack is the main concern of DPS QKD protocol 34 . system-environment under consideration.…”
Section: The Noise Models Under Study and The Simulation Resultsmentioning
confidence: 99%