tag: quantum computing

Research Bits: June 8
By Jesse Allen - 08 Jun, 2022 - Comments: 0

Five-second coherence for silicon carbide qubits Researchers from the University of Chicago, National Institutes for Quantum Science and Technology, and Linköping University built a qubit from silicon carbide and was able to retain its coherence, or the length of time the quantum state persists, for over five seconds. “It’s uncommon to have quantum information preserved on these human ... » read more

Step Towards Quantum Internet: Quantum Teleportation (TU Delft)
By Technical Paper Link - 30 May, 2022 - Comments: 0

New research paper "Qubit teleportation between non-neighbouring nodes in a quantum network" from QuTech and Kavli Institute of Nanoscience, Delft University of Technology, Delft, The Netherlands. Abstract "Future quantum internet applications will derive their power from the ability to share quantum information across the network. Quantum teleportation allows for the reliable transfer of q... » read more

Argonne & Univ. of Chicago: Using Quantum Computers to Simulate Quantum Materials
By Technical Paper Link - 24 May, 2022 - Comments: 0

Research study titled "Simulating the electronic structure of spin defects on quantum computers," by Argonne National Laboratory and the University of Chicago. Abstract: "We present calculations of the ground and excited state energies of spin defects in solids carried out on a quantum computer, using a hybrid classical/quantum protocol. We focus on the negatively charged nitrogen vacancy c... » read more

Circuit knitting Based On Quasiprobability Simulation
By Technical Paper Link - 10 May, 2022 - Comments: 0

New paper "Circuit knitting with classical communication, " from researchers at ETH Zurich and IBM Quantum. Abstract: "The scarcity of qubits is a major obstacle to the practical usage of quantum computers in the near future. To circumvent this problem, various circuit knitting techniques have been developed to partition large quantum circuits into subcircuits that fit on smaller devices,... » read more

Research Bits: May 3
By Jesse Allen - 03 May, 2022 - Comments: 0

Fingerprinting quantum noise Scientists from the University of Chicago and Purdue University propose a different method of understanding the effect of noise in quantum computers. Instead of trying to measure it directly, they created a 'fingerprint' of how the noise impacts a program run on the computer. “We wondered if there was a way to work with the noise, instead of against it,” sai... » read more

Parallel Circuit Execution & NISQ Computing
By Technical Paper Link - 02 May, 2022 - Comments: 0

Research from LIRMM, University of Montpellier, CNRS. Abstract "Quantum computing is performed on Noisy Intermediate-Scale Quantum (NISQ) hardware in the short term. Only small circuits can be executed reliably on a quantum machine due to the unavoidable noisy quantum operations on NISQ devices, leading to the under-utilization of hardware resources. With the growing demand to access quan... » read more

Current Knowledge & Future Development In 2D Magnetic Materials Research
By Technical Paper Link - 26 Apr, 2022 - Comments: 0

Abstract: "Magnetism in two-dimensional (2D) van der Waals (vdW) materials has recently emerged as one of the most promising areas in condensed matter research, with many exciting emerging properties and significant potential for applications ranging from topological magnonics to low-power spintronics, quantum computing, and optical communications. In the brief time after their discovery, 2D... » read more

Research Bits: April 26
By Jesse Allen - 26 Apr, 2022 - Comments: 0

Photonic quantum computers Researchers from Stanford University propose a simpler design method for photonic quantum computers. The proposed design uses a laser to manipulate a single atom that, in turn, can modify the state of the photons via a phenomenon called “quantum teleportation.” The atom can be reset and reused for many quantum gates, eliminating the need to build multiple distinc... » read more

Architecting Faster Computers
By Brian Bailey - 14 Apr, 2022 - Comments: 3

To create faster computers, the industry must take a major step back and re-examine choices that were made half a century ago. One of the most likely approaches involves dropping demands for determinism, and this is being attempted in several different forms. Since the establishment of the von Neumann architecture for computers, small, incremental improvements have been made to architectures... » read more

Quantum Machine Learning: Security Threats & Lines Of Defense
By Technical Paper Link - 12 Apr, 2022 - Comments: 0

New research paper from Pennsylvania State University explores quantum machine learning (QML) and its use in hardware security. Find the technical paper here. April 2022. Satwik Kundu and Swaroop Ghosh. 2022. Security Aspects of Quantum Machine Learning: Opportunities, Threats and Defenses (Invited). In Proceedings of the Great Lakes Symposium on VLSI 2022 (GLSVLSI ’22), June 6–8,... » read more

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