Generation of Weak Coherent Pulses for Quantum Cryptography Systems
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Abstract
This work is a trial to ensure the absolute security in any quantum cryptography (QC) protocol via building an effective hardware for satisfying the single-photon must requirement by controlling the value of mean photon number. This was approximately achieved by building a driving circuit that provide very short pulses (≈ 10 ns) for laser diode -LD- with output power of (0.7-0.99mW) using the available electronic components in local markets. These short pulses enable getting faint laser pulses that were further attenuated to reach mean photon number equal to 0.08 or less.
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[1]
F. A. Yassien, S. K. Tawfeeq, A. I. Khalil, and F. R. Aziz, “Generation of Weak Coherent Pulses for Quantum Cryptography Systems”, IJL, vol. 9, no. A, pp. 1–8, Jun. 2010, doi: 10.31900/ijl.v9iA.114.
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How to Cite
[1]
F. A. Yassien, S. K. Tawfeeq, A. I. Khalil, and F. R. Aziz, “Generation of Weak Coherent Pulses for Quantum Cryptography Systems”, IJL, vol. 9, no. A, pp. 1–8, Jun. 2010, doi: 10.31900/ijl.v9iA.114.