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qubits News
Photon Source Lighting the Way for Quantum Computing
CORK CITY, Ireland, Nov. 18, 2016 — As today's computers show fundamental limitations in calculation capacity for future use, a scalable, electrically driven photon source could make quantum computing a reality sooner than expected.
Manfra Chosen to Lead Microsoft’s Station Q Purdue
WEST LAFAYETTE, Ind., April 22, 2016 — Professor Michael Manfra at Purdue University has been selected to lead Station Q Purdue, an elite team assembled by Microsoft’s Station Q to pursue quantum computing. Mathematician and Fields Medal winner Michael Freedman leads Microsoft...
Nanofiber Fabrication Boosts Quantum Computing
COLLEGE PARK, Md., June 19, 2014 — A new approach to fabricating optical nanofibers could enable the next generation of quantum computing. These ultra-high-transmission fibers, developed by researchers at the University of Maryland’s Joint Quantum Institute, could act as...
The Incremental Quest for Quantum Computing
Jun 5, 2014 — Researchers are on the threshold of building feasible quantum computers, with a few architectures inching ahead. Will we soon see a quantum leap in their progress? For more than two decades, one of the holy grails of physics has been to build a...
Qubits’ Quantum State Controlled by Laser Light
SANTA BARBARA, Calif., May 3, 2013 — The quantum state of a single atomic-sized defect in diamond — known as the nitrogen-vacancy (NV) center — can be manipulated with laser light, providing more unified control and versatility than conventional processes. The discovery opens up the...
Light’s polarization states measured directly
ROCHESTER, N.Y., and OTTAWA, Ontario, Canada – There may be a way around Heisenberg’s famous Uncertainty Principle, a law of the quantum world that says precise measurement is impossible. The solution could be a method developed at the universities of Rochester and Ottawa that directly...
Light’s Polarization States Measured Directly
ROCHESTER, N.Y., and OTTAWA, Ontario, Canada, March 4, 2013 — There may be a way around Heisenberg’s famous Uncertainty Principle, a law of the quantum world that says precise measurement is impossible.
One Step Closer to a Quantum Internet
GARCHING, Germany, April 11, 2012 — Communications networks are vital for our day-to-day lives, and now the first prototype of a quantum one has been developed based on interfaces between single atoms and photons. For a quantum network to be useful, the exchange of quantum...
Quantum Physics Enables Secure Cloud Computing
VIENNA, Feb. 2, 2012 — By combining quantum computing with quantum cryptography, a perfectly secure cloud computing environment was achieved, addressing one of the many challenges facing the current trend of storing information remotely.
Universal digital simulator holds promise for quantum computers
INNSBRUCK, Austria – A new digital approach enables universal quantum simulation in a system of trapped ions that can in principle simulate any physical system efficiently, allowing researchers to explore the dynamics of quantum computers. Previously, quantum...
Universal Digital Quantum Simulation Realized
INNSBRUCK, Austria, Sept. 2, 2011 — Using a digital approach instead of the previous analog approach, physicists have successfully achieved universal quantum simulation in a system of trapped ions that can, in principle, simulate any physical system efficiently. The mathematical...
Two Atoms Entangled Using Microwaves
BOULDER, Colo., Aug. 15, 2011 — For the first time NIST physicists have linked the quantum properties of two separated ions by manipulating them with microwaves instead of the usual array of laser beams. The development could pave the way for miniaturized, easy-to-commercialize...
Shedding Light on the Private Lives of Electrons
PRINCETON, N.J, July 1, 2011 — Using laser light, scientists have peered into the complex relationship between a single electron and its environment known as a Kondo state. The results not only yield insights into a long-standing quandary in theoretical physics but may also...
Quantum cloning: Radiometry on a small scale
GENEVA – Measuring the luminous power of light is a basic task in physics laboratories and telecom applications. Until recently, however, measuring light energy in an absolute manner has required the complex equipment and techniques available only in...
Single photons retain character as wavelength changes
GAITHERSBURG, Md. – The wavelength of a single photon can be changed significantly without destroying its fundamental quantum character, researchers have reported. This finding has application in the developing field of quantum information science, which includes...
Tiny Laser Show Lights Up Quantum Computing
WASHINGTON, Dec. 9, 2010 — A new laser-beam steering system that aims and focuses bursts of light onto single atoms for use in quantum computers has been demonstrated by collaborating researchers from Duke University and the University of Wisconsin-Madison. Described in the...
Lasers Cool, Control Molecules
NEW HAVEN, Conn., Sept. 22, 2010 — While laser cooling techniques that produce ultracold atoms have been around for decades, it has not extended to molecules because of their complex internal structure. Now physicists at Yale University are cooling molecules down to a temperature...
Quantum Optical Chip Ramps Up Computing
BRISTOL, England, Sept. 16, 2010 — A new approach to computing that uses a quantum optical chip could soon be used to perform complex calculations that cannot be done by today’s computers, according to an international research group led by scientists from the University of...
Optical Fiber Ion Trap Collects Light
GAITHERSBURG, Md., July 14, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have demonstrated an ion trap with a built-in optical fiber that collects light emitted by single ions (electrically charged atoms), allowing quantum information stored in the...
Regarding Optical Constructions of CNOT Gate
Apr 20, 2010 — This post is based on a presentation made by S. Balakrishnan and R. Sankaranarayanan from the Department of Physics, National Institute of Technology, Tiruchirapalli, India, at the recently held APW 2010 in Cochin. According to the authors, it...
Combing a Qubit
COLLEGE PARK, Md., April 8, 2010 — By adapting an optical frequency comb researchers have found a way to manipulate quantum bits (qubits). According to physicists at the University of Maryland, this discovery will be vital for the future of quantum computers. Conventional methods for...
Ion Trap for Quantum Computing
GAITHERSBURG, Md., April 7, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have built and tested a device for trapping electrically charged atoms (ions) that potentially could process dozens of ions at once with the most versatile control of any trap...
Quantum Computing Circuit Created
MADISON, Wis., March 2, 2010 – In a move that may help quantum computing become a reality, physicists have created an atomic circuit by exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity. Quantum computing...
Crystals Curb Qubit Errors
GAITHERSBURG, Md., April 23, 2009 – A technique for efficiently suppressing errors in quantum computers has been realized by researchers at the National Institute of Standards and Technology (NIST). According to the researchers, this advance could eventually make it much easier to...
A Quantum Memory Boost
ATLANTA, Ga., Dec. 9, 2008 – Physicists have taken a significant step toward creation of quantum networks by establishing a new record for the length of time that quantum information can be stored in and retrieved from an ensemble of very cold atoms. Though the information...
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May 2024
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