Researchers at the Max Planck Institute of Quantum Optics have developed a detection method that can be used to track quantum transmissions. Quantum information is sent over long distances in the form of photons which are […]
Researchers from Louisiana State University have introduced a smart quantum technology for the spatial mode correction of single photons. The team has exploited the self-learning and self-evolving features of artificial neural networks to correct the distorted spatial profile of single photons.
Here is a very interesting article written by Alec Edgington, Cameron Foreman and Duncan Jones of Cambridge Quantum Computing (CQC). In this paper, the team explains how at CQC they adopted a revolutionary approach to […]
A team of researchers at Vienna Center for Quantum Science and Technology (VCQ) and Centre for Quantum Technologies, Singapore (CQT), has demonstrated homomorphic-encrypted quantum computing with unitary transformations of individual qubits, as well as multi-qubit quantum walk computations using single-photon states and non-birefringent integrated optics.
A collaboration between the Universities of Hong-Kong, Grenoble and Vienna, as well as the Austrian Academy of Sciences has revealed novel techniques to reduce noise in quantum communication. The primary approach to overcome these noise […]
Continuous-Variable Quantum Key Distribution (CV-QKD) enables information-theoretically secure key exchange between two parties using the continuous-variable properties of the quantized electromagnetic light field. The secret key rate of a CV-QKD system is limited by excess […]
Recent experimental breakthroughs in satellite quantum communications have opened up the possibility of creating a global Quantum Internet using satellite links.
A team of researchers from DNRF center bigQ at DTU Physics have, in collaboration with the University of Sheffield, University of York and the Danish company Cryptomathic A/S, developed a Quantum Random Number Generator (QRNG) […]
A team of researchers from Germany, Russia and UK has designed and experimentally demonstrated an ultrafast optical Quantum Random Number Generator (QRNG) that uses a totally untrusted photonic source. While considering completely general quantum attacks, […]
A team of Chinese researchers has used drones to create a prototype of a small airborne quantum network and to send entangled particles from one drone to another and from a drone to the ground. […]
A research team from the University of Science and Technology of China has made security analysis and improvement of Source Independent Quantum Random Number Generators (SI-QRNGs) with imperfect devices. By studying the actual characteristics of […]
A team at the University of Science and Technology of China (USTC) has demonstrated the teleportation of high-dimensional states in a three-dimensional six-photon system. Compared with two-dimensional systems, high-dimensional system quantum networks have the advantages […]
Quantum Key Distribution (QKD) protocols are performed by sending a sizeable, but finite, number of quantum signals between the distant parties involved. Many QKD experiments, however, predict their achievable key rates using asymptotic formulas, which […]
Chinese scientists have established the world’s first integrated quantum communication network, combining over 700 optical fibers on the ground with two ground-to-satellite links to achieve Quantum Key Distribution (QKD) over a total distance of 4,600 […]
Relying in part on techniques used to sharpen up images from ground-based telescopes, researchers in China have implemented a type of secure quantum communications protocol—known as measurement-device-independent quantum key distribution (MDI-QKD)—across a wireless link connecting […]
Researchers at California Institute of Technology have achieved conditional quantum teleportation of time-bin qubits at the telecommunication wavelength of 1536.5 nm. They measured teleportation fidelities of ≥ 90% that are consistent with an analytical model […]
Terra Quantum, a Swiss startup, and University of Basel have developed a combination of reinforcement learning and simulated annealing for setting up efficient Bell tests useful for quantum cryptography. Finding optical setups producing measurement results […]
Kudelski Security, the cybersecurity division within the Swiss Kudelski Group, announced today the launch of a new focus on Quantum Security.
IBM today announced a series of cloud services and technologies designed to help clients maintain the highest available level of cryptographic key encryption protection to help protect existing data in the Cloud and prepare for future threats that […]
QuTech (a collaboration between TU Delft and TNO), KPN, SURF and OPNT are launching a collaboration designed to make significant progress in building a first ever quantum network connecting the Randstad, i.e. one of the […]
Researchers have reported a quantum-classical hybrid scheme for factorization of bi-prime numbers (which are odd and square-free) using IBM’s quantum processors. The hybrid scheme has involved both classical optimization techniques and adiabatic quantum optimization techniques, […]
Researchers have reported a quantum-classical hybrid scheme for factorization of bi-prime numbers (which are odd and square-free) using IBM’s quantum processors. The hybrid scheme has involved both classical optimization techniques and adiabatic quantum optimization techniques, […]
The interface between local quantum devices and light quanta that enable the remote transmission of highly sensitive quantum information is a key topic of quantum communications. The Otto-Hahn group “Quantum Networks” at the Max-Planck-Institute of […]
Researchers at the University of Rochester and Cornell University have taken an important step toward developing a communications network that exchanges information across long distances by using photons. The research team has designed a nanoscale […]
Swiss company ID Quantique (IDQ) and SK Broadband, Korea’s telecom media service provider, announced that they have been selected to secure the communication network of 48 government organizations across Korea, including the Ministry of Employment […]