Microsatellite|based real|time quantum key distribution

[2408.10994] Microsatellite-based real-time quantum key distribution

We demonstrate satellite-based QKD with multiple ground stations and achieve the sharing of up to 0.59 million bits of secure keys during a single satellite ...

Microsatellite-based real-time quantum key distribution - arXiv

Here we tackle these challenges and report the development of a quantum microsatellite capable of performing space-to-ground QKD using portable ground stations.

(PDF) Microsatellite-based real-time quantum key distribution

As the best-known application of a quantum network, quantum key distribution (QKD) shares secure keys guaranteed by the laws of quantum ...

Microsatellite-Based Real-Time Quantum Key Distribution - SQuaD

However, scaling up Quantum Satellite Constellations is challenging, requiring small lightweight satellites, portable ground stations and real- ...

Innovation: China's First-Ever Quantum Microsatellite For ... - YouTube

This tiny but powerful satellite performed quantum key distribution ... Paired with portable ground stations, this innovation makes real-time ...

Chinese Researchers Perform Space-to-Ground Communications ...

... quantum microsatellite achieves secure space-to-ground communications using quantum key distribution ... Real-Time Secure Communication.

Demonstrating Global Quantum Key Distribution Using a Microsatellite

If the time tags need to be stored for later download, sufficient storage space is required on board. If they are transmitted to ground in real time during the ...

Satellite-Based Quantum Key Distribution in the Presence of Bypass ...

QKD provides two parties with a secret key that can be used in cryptographic protocols, such as one-time pad encryption. ... real time but used to ...

Quantum Key Distribution and laser communication - SpaceNews

Kepler Communications has also made real progress in this area, demonstrating optical inter-satellite links in its constellation. And the Space ...

Finite key performance of satellite quantum key distribution under ...

QRNGs with the required rate to feed a high-speed source in real time may incur significant onboard processing resources and SWaP. Alternatively ...

Quantum Key Distribution (QKD) and Quantum Cryptography QC

... based on theory ... Scarani and Kurtsiefer, The black paper of quantum cryptography: Real implementation problems, Theoretical Computer Science (560) 2014.

Progress in satellite quantum key distribution - Nature

Time-bin entanglement-based QKD would require additional Doppler ... Free space quantum key distribution: towards a real life application.

Finite-Resource Performance of Small-Satellite-Based Quantum ...

Exploring the challenges and opportunities of current and future small-satellite-based quantum key distribution is key to progress toward ...

Quantum key distribution - Wikipedia

The algorithm most commonly associated with QKD is the one-time pad, as it is provably secure when used with a secret, random key. In real-world situations, it ...

Vector—towards quantum key distribution with small satellites

A satellite-constellation based global quantum network could allow secure quantum communication between remote users worldwide.

A high-speed multi-protocol quantum key distribution transmitter ...

For implementations based on optical fiber telecommunication infrastructures, many QKD systems rely on quantum states prepared in the time-phase domain to ...

Sheng-Kai Liao: Satellite-Based Quantum Key Distribution Network

Sheng-Kai Liao gave the invited talk ''Satellite-Based Quantum Key Distribution Network'' at the 2023 Conference on Quantum Cryptography at ...

Real-time gigahertz free-space quantum key distribution within an ...

In the case of satellite-based QKD, we would like to achieve high-bit rates while simultaneously keeping the power consumption as low as ...

Satellite Based Quantum Communication - IQOQI Vienna

The goal was to demonstrate secure quantum key distribution based on a decoy ... The whole pass takes in real time around 5 minutes. [1] V. Scarani, H ...

What is Quantum Key Distribution (QKD) and How Does it Work?

Entanglement-based protocols focus around quantum states in which two ... In an ideal setting, one user should be able to send one photon at a time to the other ...