Junwen Luo, Yunxia Li, Wen Meng, Lei Shi, Jiahua Wei, Yang Xue. Quantum Private Communication System Based on Wavelength-Mode Division Co-Multiplexing[J]. Acta Optica Sinica, 2017, 37(9): 0927001
- Acta Optica Sinica
- Vol. 37, Issue 9, 0927001 (2017)
Fig. 1. Principle diagram of quantum private communication based on wavelength-mode division co-multiplexing
Fig. 2. Principle diagram of QKD based on double unbalanced M-Z interferometers
Fig. 3. Simulation models of (a) transmitter and (b) receiver of QKD
Fig. 4. Simulation models of (a) transmitter and (b) receiver of classical data
Fig. 5. Structural diagram of quantum private communication system based on wavelength-mode division co-multiplexing
Fig. 6. Frequency spectra of (a) quantum signal and (b) classical optical signal
Fig. 7. Mode field energy distributions of (a) quantum signal and (b) classical optical signal
Fig. 8. Time domain waveforms in (a) D1 and (b) D2 when Δφ=0
Fig. 9. Time domain waveforms in (a) D1 and (b) D2 when Δφ=π
Fig. 10. Time domain waveforms in (a) D1 and (b) D2 when Δφ is π/2 or 3π/2
Fig. 11. Waveforms of classical signals (a) before and (b) after transmission
Fig. 12. Eye diagram of classical light signals
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Table 1. QKD process of system
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