Quantum Computing News

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New Quantum Algorithm for Data Analysis

A new quantum algorithm for data analysis has been demonstrated by a team of researchers.

13 Aug 2012

Study Proves Incompleteness and Limit of Security Theory in Quantum Cryptography

A team of scientists from the Quantum ICT Research Institute of Tamagawa University in Japan has reported that the researchers have demonstrated the limit and incompleteness of the security theory in quantum cryptography or quantum key distribution.

7 Aug 2012

Researchers Achieve Significant Progress Towards Quantum Information Processing

A research team from the National Physical Laboratory (NPL) has developed a first-of-its-kind monolithic three-dimensional (3D) ion microtrap array that may be scaled up to confine several tens of ion-based quantum bits (qubits).

25 Jul 2012

New Technique Reliably Assesses Information on Quantum Computing and Cryptography

A research team comprising Filippo Miatto and other physicists from the University of Strathclyde, Glasgow, UK, has discovered a new technique to reliably evaluate the information carried by photon pairs utilized for quantum computing and cryptography applications.

13 Jul 2012

Researchers Illustrate First Silicon-Based Heralded Single Photon Source

Scientists from the National Institute of Standards and Technology (NIST), the Politecnico di Milano, and the University of California (UC), San Diego, have shown the first heralded single photon source generated from silicon, a significant step towards the realization of more realistic quantum information processing.

29 Jun 2012

Quantum Adiabatic Computation for Ranking Websites

A team of researchers that include Silvano Garnerone, an IQC postdoctoral fellow, has shown a quantum speed-up to the PageRank algorithm, a key algorithm utilized by Google for ranking webpages based on their importance in the webgraph.

12 Jun 2012

Researchers Take Step Towards Realization of Quantum Computers

Mike Thewalt of Simon Fraser University and researchers at Oxford University and in Germany are one step closer towards the realization of quantum computers by harnessing the novel properties of their ultrapure and highly enriched silicon.

8 Jun 2012

New Project Aims to Develop Fullerene-Based Quantum Computer

The Volkswagen Foundation is financing a materials science project, being conducted under the aegis of Johannes Gutenberg University Mainz, to demonstrate the technical feasibility of a quantum computer on the basis of e...

18 May 2012

Error-Correction Breakthrough Represents Significant Step Towards Powerful Quantum Computing

Hector Bombin, Helmut Kraztgraber and Miguel Angel Martin-Delgado, researchers from the QUITEMAD Scientific Consortium (Technologies Program R & D, funded by the Community of Madrid) together with an international gr...

14 May 2012

New Paper From CQT Finds Phases of Matter With Differing Computational Power

A study has turned upside down a typical way of looking at the connection between physics and information in quantum systems — with results that could lead to new insight into quantum computation.

9 May 2012