4 papers · 1 filter
Years of Quantum Uncertainty: From Origins to Modern Insights
Lorcan O. Conlon, Biveen Shajilal, Jie Zhao +6
Heisenberg's uncertainty principle is a cornerstone of quantum mechanics, marking a decisive departure from classical physics. Conceived almost a century ago through a thought expe…
Squeezing via self-induced transparency in mercury-filled photonic crystal fibers
M. S. Najafabadi, J. F. Corney, L. L. Sánchez-Soto +2
We investigate the squeezing of ultrashort pulses using self-induced transparency in a mercury-filled hollow-core photonic crystal fiber. Our focus is on quadrature squeezing at lo…
Composable free-space continuous-variable quantum key distribution using discrete modulation
Kevin Jaksch, Thomas Dirmeier, Yannick Weiser +16
Continuous-variable (CV) quantum key distribution (QKD) allows for quantum secure communication with the benefit of being close to existing classical coherent communication. In rec…
An operational distinction between quantum entanglement and classical non-separability
Natalia Korolkova, Luis Sánchez-Soto, Gerd Leuchs
Quantum entanglement describes superposition states in multi-dimensional systems, at least two partite, which cannot be factorized and are thus non-separable. Non-separable states…