Quantum key distribution (QKD) is a method used for secure or secret key exchanges between two remote users. Using secure communication, cyberscientists ultimately aim to establish a global quantum network. Existing field ...
Quantum secure direct communication (QSDC) based on entanglement can directly transmit confidential information. Scientist in China explored a QSDC network based on time-energy entanglement and sum-frequency generation. The ...
Quantum Physics
Sep 23, 2021
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169
Large-scale quantum networks have been proposed, but so far, they do not exist. Some components of what would make up such networks are being studied, but the control mechanism for such a large-scale network has not been ...
Quantum Physics
Aug 31, 2021
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Engineers from QuTech (a collaboration between TU Delft and TNO) can provide untappable communication that is cost-scaling to many users by using measurement-device independent (MDI) quantum key distribution (QKD). A notable ...
Quantum Physics
Jul 7, 2021
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In a new study, researchers demonstrate an automated, easy-to-operate quantum key distribution (QKD) system using the fiber network in the city of Padua, Italy. The field test represents an important step toward implementing ...
Quantum Physics
Jun 10, 2021
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25
The world is one step closer to ultimately secure conference calls, thanks to a collaboration between Quantum Communications Hub researchers and their German colleagues, enabling a quantum-secure conversation to take place ...
Quantum Physics
Jun 4, 2021
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A team of researchers from QuTech in the Netherlands reports realization of the first multi-node quantum network, connecting three quantum processors. In addition, they achieved a proof-of-principle demonstration of key quantum ...
Quantum Physics
Apr 15, 2021
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1754
A Florida State University professor's research could help quantum computing fulfill its promise as a powerful computational tool.
Quantum Physics
Mar 16, 2021
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314
Encrypting data in a way that ensures secure communication is an ever-growing challenge because crucial components of today's encryption systems cannot withstand future quantum computers. Researchers around the world are ...
Optics & Photonics
Mar 15, 2021
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2446
When quantum computers become more powerful and widespread, they will need a robust quantum internet to communicate.
General Physics
Mar 2, 2021
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2253
