Physics - Quantum Physics news

Tunable quantum cascade laser

(PhysOrg.com) -- One of the issues associated with lasers is their tunability. In many cases, if you want to produce a particular wavelength, you have to build a laser to accomplish this. In order to get another wavelength, ...

Jul 07, 2010 feature
4.6 / 5 (20) 1 | with audio podcast

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 ...

May 04, 2010 feature
4.4 / 5 (18) 1

Using degrees of freedom to get hyperentanglement

(PhysOrg.com) -- One of the biggest challenges scientists are grappling with today is the creation of an efficient quantum computer. There are a number of models out there, and hundreds of scientists and researchers around ...

Jan 27, 2010 feature
4.6 / 5 (19) 2 | with audio podcast