Progress in satellite quantum key distribution
Quantum key distribution (QKD) is a family of protocols for growing a private encryption key
between two parties. Despite much progress, all ground-based QKD approaches have a …
between two parties. Despite much progress, all ground-based QKD approaches have a …
Satellite-based continuous-variable quantum communications: State-of-the-art and a predictive outlook
The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …
long-range quantum communication. Using single-photon discrete-variable quantum states …
Quantum estimation of the Schwarzschild spacetime parameters of the Earth
We propose a quantum experiment to measure with high precision the Schwarzschild
spacetime parameters of the Earth. The scheme can also be applied to measure distances …
spacetime parameters of the Earth. The scheme can also be applied to measure distances …
Quantum optics experiments using the International Space Station: a proposal
We propose performing quantum optics experiments in a ground-to-space scenario using
the International Space Station, which is equipped with a glass viewing window and a …
the International Space Station, which is equipped with a glass viewing window and a …
Novel high-speed polarization source for decoy-state BB84 quantum key distribution over free space and satellite links
Z Yan, E Meyer-Scott, JP Bourgoin… - Journal of lightwave …, 2013 - opg.optica.org
To implement the BB84 decoy-state quantum key distribution (QKD) protocol over a lossy
ground-satellite quantum uplink requires a source that has high repetition rate of short laser …
ground-satellite quantum uplink requires a source that has high repetition rate of short laser …
An updated analysis of satellite quantum-key distribution missions
O Lee, T Vergoossen - arXiv preprint arXiv:1909.13061, 2019 - arxiv.org
Quantum key distribution (QKD) is a cryptographic method enabling two parties to establish
a private encryption key. The range of communication of ground-based QKD is limited to an …
a private encryption key. The range of communication of ground-based QKD is limited to an …
Satellite‐Based Quantum Steering under the Influence of Spacetime Curvature of the Earth
Spacetime curvature of the Earth deforms wave packets of photons sent from the Earth to
satellites, thus influencing the quantum state of light. We show that Gaussian steering of …
satellites, thus influencing the quantum state of light. We show that Gaussian steering of …
The influence of the Earth's curved spacetime on Gaussian quantum coherence
T Liu, S Cao, S Wu, H Zeng - Laser Physics Letters, 2019 - iopscience.iop.org
Light wave-packets propagating from the Earth to satellites will be deformed by the curved
background spacetime of the Earth, thus influencing the quantum state of light. We show that …
background spacetime of the Earth, thus influencing the quantum state of light. We show that …
Characterization of quantum and classical correlations in the Earth's curved space-time
T Liu, S Cao, S Wu - Scientific Reports, 2020 - nature.com
The preparation of quantum systems and the execution of quantum information tasks
between distant users are always affected by gravitational and relativistic effects. In this …
between distant users are always affected by gravitational and relativistic effects. In this …
Estimating spacetime parameters with a quantum probe in a lossy environment
We study the problem of estimating the Schwarzschild radius of a massive body using
Gaussian quantum probe states. Previous calculations assumed that the probe state …
Gaussian quantum probe states. Previous calculations assumed that the probe state …