Advances in space quantum communications

JS Sidhu, SK Joshi, M Gündoğan… - IET Quantum …, 2021 - Wiley Online Library
Concerted efforts are underway to establish an infrastructure for a global quantum Internet to
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …

[HTML][HTML] Quantum physics in space

A Belenchia, M Carlesso, Ö Bayraktar, D Dequal… - Physics Reports, 2022 - Elsevier
Advances in quantum technologies are giving rise to a revolution in the way fundamental
physics questions are explored at the empirical level. At the same time, they are the seeds …

Satellite-mediated quantum atmospheric links

D Vasylyev, W Vogel, F Moll - Physical Review A, 2019 - APS
The establishment of quantum communication links over a global scale is enabled by
satellite nodes. We examine the influence of the Earth's atmosphere on the performance of …

[HTML][HTML] Demonstration of quantum synchronization based on second-order quantum coherence of entangled photons

R Quan, Y Zhai, M Wang, F Hou, S Wang, X Xiang… - Scientific reports, 2016 - nature.com
Based on the second-order quantum interference between frequency entangled photons
that are generated by parametric down conversion, a quantum strategic algorithm for …

Lorentz violation induces isospectrality breaking in Einstein-bumblebee gravity theory

W Liu, X Fang, J Jing, J Wang - Science China Physics, Mechanics & …, 2024 - Springer
In this study, we investigate the quasinormal modes (QNMs) of a Lorentz-violating
spacetime, factoring in a cosmological constant, within the framework of Einstein-bumblebee …

Properties and relative measure for quantifying quantum synchronization

W Li, W Zhang, C Li, H Song - Physical Review E, 2017 - APS
Although quantum synchronization phenomena and corresponding measures have been
widely discussed recently, it is still an open question how to characterize directly the …

Fiber-optic two-way quantum time transfer with frequency-entangled pulses

F Hou, R Quan, R Dong, X Xiang, B Li, T Liu, X Yang… - Physical Review A, 2019 - APS
High-precision time transfer is of fundamental interest in physics and metrology. Quantum
time transfer technologies that use frequency-entangled pulses and their coincidence …

Gaussian quantum steering and its asymmetry in curved spacetime

J Wang, H Cao, J Jing, H Fan - Physical Review D, 2016 - APS
We study Gaussian quantum steering and its asymmetry in the background of a
Schwarzschild black hole. We present a Gaussian channel description of quantum state …

Quantum frequency synchronization of distant clock oscillators

MA Ullah, J ur Rehman, H Shin - Quantum Information Processing, 2020 - Springer
We propose the protocol for noise-resilient frequency synchronization (syntonization) of
distant clocks' local oscillators through a distributed quantum network. The syntonization is …

Gravity in the quantum lab

R Howl, L Hackermüller, DE Bruschi… - Advances in Physics …, 2018 - Taylor & Francis
At the beginning of the previous century, Newtonian mechanics was advanced by two new
revolutionary theories, Quantum Mechanics (QM) and General Relativity (GR). Both theories …