News tagged with optical traps

Scientists move objects across meter-scale distances using only light (w/ Video)

(PhysOrg.com) -- For more than 40 years, scientists have been using the radiation pressure of light to move and manipulate small objects in space. But until now, the movements have always been restricted to ...

Physics / General Physics

created Sep 30, 2010 | popularity 4.8 / 5 (36) | comments 10 | with audio podcast feature

Physicists discover important step for making light crystals (w/Videos)

Ohio State University researchers have developed a new strategy to overcome one of the major obstacles to a grand challenge in physics.

Physics / General Physics

created Apr 09, 2009 | popularity 4.9 / 5 (13) | comments 3

Bouncing atoms may be the key to the future of gravimetry

(PhysOrg.com) -- When studying cold atoms, scientists often use magnetic or optical traps to keep the atoms in place. However, in some cases experimentalists want to study free atoms, avoiding the effects of a trap. "One ...

Physics / General Physics

created Apr 27, 2009 | popularity 4.2 / 5 (15) | comments 1 feature

From a classical laser to a 'quantum laser'

Rainer Blatt's and Piet Schmidt's research team from the University of Innsbruck have successfully realized a single-atom laser, which shows the properties of a classical laser as well as quantum mechanical ...

Physics / Quantum Physics

created Mar 31, 2010 | popularity 4.8 / 5 (13) | comments 0 | with audio podcast

First Bose-Einstein condensation of strontium

In an international first, scientists from the Institute of Quantum Optics and Quantum Information (IQOQI, Austria) produced a Bose-Einstein condensate of the alkaline-earth element strontium, thus narrowly ...

Physics / Quantum Physics

created Nov 09, 2009 | popularity 4.5 / 5 (11) | comments 5

Quantum Walk in Laboratory

A team of physicists headed by Christian Roos and Rainer Blatt from the Institute of Quantum Optics and Quantum Information of the Austrian Academy of Sciences realize a quantum walk in a quantum system with ...

Physics / Quantum Physics

created Mar 10, 2010 | popularity 4.5 / 5 (11) | comments 0 | with audio podcast

Capping A Two-Faced Particle Gives Duke Engineers Complete Control (w/ Video)

(PhysOrg.com) -- Scientists drew fittingly from Roman mythology when they named a unique class of miniscule particles after the god Janus, who is usually depicted as having two faces looking in opposite directions.

Nanotechnology / Nanomaterials

created Aug 12, 2009 | popularity 5 / 5 (8) | comments 3

Research group creates longer lived and more efficient quantum memory

(Phys.org) -- One of the main sticking points to creating a true quantum computer capable of performing meaningful work, is the problem of storing quantum state information in memory. Recent efforts have resulted in highly ...

Physics / Quantum Physics

created May 30, 2012 | popularity 5 / 5 (8) | comments 0 | with audio podcast report

Trapping giant Rydberg atoms for faster quantum computers

In an achievement that could help enable fast quantum computers, University of Michigan physicists have built a better Rydberg atom trap. Rydberg atoms are highly excited, nearly-ionized giants that can be ...

Physics / Quantum Physics

created May 06, 2010 | popularity 4.8 / 5 (8) | comments 2 | with audio podcast

Novel ion trap with optical fiber could link atoms and light in quantum networks

Physicists at the National Institute of Standards and Technology have demonstrated an ion trap with a built-in optical fiber that collects light emitted by single ions (electrically charged atoms), allowing ...

Physics / Quantum Physics

created Jul 08, 2010 | popularity 4.6 / 5 (8) | comments 0 | with audio podcast

Quantum quirk: Scientists pack atoms together to prevent collisions in atomic clock

In a paradox typical of the quantum world, JILA scientists have eliminated collisions between atoms in an atomic clock by packing the atoms closer together. The surprising discovery, described in the Feb. ...

Physics / Quantum Physics

created Feb 03, 2011 | popularity 4.6 / 5 (8) | comments 4 | with audio podcast

Tying the knot with computer-generated holograms: Winding optical path moves matter

In the latest twist on optical knots, New York University physicists have discovered a new method to create extended and knotted optical traps in three dimensions. This method, which the NYU scientists describe ...

Physics / Optics & Photonics

created Mar 15, 2011 | popularity 4.7 / 5 (7) | comments 0 | with audio podcast

Dance like a neutrino: Quantum scheme to simulate neutrino oscillations

The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...

Physics / Quantum Physics

created Mar 21, 2012 | popularity 4.8 / 5 (6) | comments 1

Efficient and tunable interface for quantum networks

(Phys.org) -- Quantum computers may someday revolutionize the information world. But in order for quantum computers at distant locations to communicate with one another, they have to be linked together in ...

Physics / Quantum Physics

created May 23, 2012 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Research looks at how light and matter behave around black holes, other celestial objects

Dr. Dentcho Genov, an assistant professor of physics and electrical engineering at Louisiana Tech University and a Louisiana Optical Network Initiative (LONI) Institute fellow, is featured in the most recent issue of Nature Ph ...

Physics / General Physics

created Jul 22, 2009 | popularity 3.4 / 5 (5) | comments 5