Advances in space quantum communications
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 …
realise a spectrum of quantum technologies. This will enable more precise sensors, secure …
[HTML][HTML] Quantum physics in space
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 …
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 …
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 …
that are generated by parametric down conversion, a quantum strategic algorithm for …
Lorentz violation induces isospectrality breaking in Einstein-bumblebee gravity theory
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 …
spacetime, factoring in a cosmological constant, within the framework of Einstein-bumblebee …
Properties and relative measure for quantifying quantum synchronization
Although quantum synchronization phenomena and corresponding measures have been
widely discussed recently, it is still an open question how to characterize directly the …
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 …
time transfer technologies that use frequency-entangled pulses and their coincidence …
Gaussian quantum steering and its asymmetry in curved spacetime
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 …
Schwarzschild black hole. We present a Gaussian channel description of quantum state …
Quantum frequency synchronization of distant clock oscillators
We propose the protocol for noise-resilient frequency synchronization (syntonization) of
distant clocks' local oscillators through a distributed quantum network. The syntonization is …
distant clocks' local oscillators through a distributed quantum network. The syntonization is …
Gravity in the quantum lab
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 …
revolutionary theories, Quantum Mechanics (QM) and General Relativity (GR). Both theories …