4 papers
Ultrabright Sagnac-type source of non-degenerate polarization-entangled photon pairs using only off-the-shelf optical components
Jakub Szlachetka, Kaushik Joarder, Piotr Kolenderski
We develop a Sagnac-type source of ultrabright, non-degenerate, polarization-entangled photon pair that is highly stable and compact simultaneously. We use a long PP…
qkdSim: An experimenter's simulation toolkit for QKD with imperfections, and its performance analysis with a demonstration of the B92 protocol using heralded photon
Rishab Chatterjee, Kaushik Joarder, Sourav Chatterjee +2
Quantum Key Distribution (QKD) is one of the most important aspects of quantum cryptography. Using laws of quantum mechanics as the basis for security, the key distribution process…
Single photon sources: ubiquitous tools in quantum information processing
Urbasi Sinha, Surya Narayan Sahoo, Ashutosh Singh +3
Quantum technologies are the next big revolution in information technologies, computing, communication security, sensing as well as metrology. What do you use to explore all these…
Near-100 % two-photon-like coincidence-visibility dip with classical light and the role of complementarity
Simanraj Sadana, Debadrita Ghosh, Kaushik Joarder +3
The Hong-Ou-Mandel effect is considered a signature of the quantumness of light, as the dip in coincidence probability using semi-classical theories has an upper bound of 50%. Here…