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Efficient coupling of down-converted photon pairs into single mode fiber
(Elsevier, 2021-08-15)
We present the analysis of the down-conversion emission profile from a critically phase-matched type-I nonlinear crystal. The emission profile of the down-conversion modes shows asymmetry in cylindrical coordinate system ...
Effect of photon statistics on vacuum fluctuations based QRNG
(IOP Publishing, 2021-06)
The speed of quantum random number generators (QRNGs) is a major concern for practical applications. In this work, we introduce scattering as a method to enhance the randomness characteristics of the entropy source. This ...
Development of an aerial interface for extraction of the electrodynamic fingerprints of the single-photon detectors
(Wiley, 2021-12)
In this study, a novel structure of semi array of antipodal Vivaldi antenna is designed to extract the RF radiations from the single-photon detectors in a quantum key distribution system. The proposed antenna covers a ...
Effect of phase and spatial distinguishability of photon pairs on the entanglement fidelity
(SPIE, 2021)
Polarization entanglement based cryptography uses the photon pairs generated in a spontaneous parametric down-conversion process and guarantees the security through the violation of Bell's inequality. Certain experimental ...
PYNQ-based rapid FPGA implementation of quantum key distribution
(IEEE, 2021)
In this paper, we present a real-time Quantum Key Distribution (QKD) implementation on Field Programmable Gate Arrays (FPGAs) for secure communication. We propose a novel methodology with a Python-based programming interface ...
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