Optics & Photonics
Nov 30, 2010
Nano-diamond qubits and photonic crystals
Quantum information processing is arguably one of the most fascinating facets of modern quantum physics.
Search results for qubits
Quantum Physics
May 4, 2010
Physicists set guidelines for qubit candidates
(PhysOrg.com) -- To build a quantum computer, it's essential to be able to quickly and efficiently manipulate the quantum states of qubits. The qubits, which are the basic unit of quantum information, can be composed of many ...
General Physics
Oct 22, 2008
Memoirs of a qubit: Hybrid memory solves key problem for quantum computing
An international team of scientists has performed the ultimate miniaturisation of computer memory: storing information inside the nucleus of an atom. This breakthrough is a key step in bringing to life a quantum computer ...
General Physics
Jul 3, 2008
Qubits and Branes Share Surprising Features
What do black holes and entangled particles have in common? Until about a year ago, physicists thought that the two entities existed in completely separate worlds. Then, in 2007, physicist Michael Duff from Imperial College ...
General Physics
Feb 26, 2008
Physicists Demonstrate Qubit-Qutrit Entanglement
For the first time, physicists have entangled a qubit with a “qutrit” – the 3D version of the 2D qubit. Qubit-qutrit entanglement could lead to advantages in quantum computing, such as increased security and more efficient ...
General Physics
Jun 14, 2007
2 qubits in action, new step towards the quantum computer
Researchers at Delft University of Technology have succeeded in carrying out calculations with two quantum bits, the building blocks of a possible future quantum computer. The Delft researchers are publishing an article about ...
General Physics
May 3, 2007
NEC, JST and RIKEN demonstrate world's first controllably coupled qubits
NEC Corp., Japan Science and Technology Agency (JST) and the Institute of Physical and Chemical Research (RIKEN) have together successfully demonstrated the world's first quantum bit (qubit) circuit that can control the strength ...
General Physics
Oct 26, 2006
Qubit Noise Matters More Than Expected
“What we have noticed,” J.H. Eberly tells PhysOrg.com, “is that noise is more important than it appears anyone expected. Widely understood, long-known features of the effect of noise on quantum systems fail to be true ...
General Physics
Jun 20, 2006
Measuring single qubits
“In a quantum system,” explains Alexander Korotkov at the University of California, Riverside, “the result of a measurement can change the system so that it moves in the same direction as the result.” Testing this ...
General Physics
May 8, 2006
12-qubits reached in quantum information quest
In the drive to understand and harness quantum effects as they relate to information processing, scientists in Waterloo and Massachusetts have benchmarked quantum control methods on a 12-Qubit system. Their research was performed ...
