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Research News

October 23, 2013 | PFC | Research News

Nanofibers and Designer Light Traps

In this experiment, physicists squeeze combinations of higher modes of the light into a nanofiber with unprecedented efficiency and purity. This kind of control may translate into more control over evanescent atom traps

October 20, 2013 | PFC | Research News

Topological Light

In this week’s issue of Nature Photonics scientists at the Joint Quantum Institute (*) report the first observation of topological effects for light in two dimensions, analogous to the quantum Hall effect for electrons. To accomplish this, they built a structure to guide infrared light over the surface of a room temperature, silicon-on-insulator chip.

September 30, 2013 | Research News

Seeing Light in a New Light

Alexey Gorshkov, formerly of CalTech and Harvard, recently joined the JQI as a new Fellow. His research group can be found at http://groups.jqi.umd.edu/gorshkov/. This is a news item released earlier this week by Harvard University.

September 20, 2013 | PFC | Research News

Simulation sets atoms shivering

JQI researchers perform a quantum simulation of the 1D Dirac equation, by assembling an analogue system of neutral atoms in a Bose-Einstein condensate.

August 14, 2013 | PFC | Research News

Photons a la Mode

The photodetectors in Alan Migdall’s lab often see no light at all, and that’s a good thing since he and his JQI (*) colleagues perform physics experiments that require very little light, the better to study subtle quantum effects. Their latest achievement, described here, is to develop a new way of counting photons to understand the sources and modes of light in modern physics experiments.

August 6, 2013 | PFC | Research News

Resonant Exchange Qubits

Unfortunately, qubits are fragile; they dissipate in the face of interactions with their environment. A new JQI semiconductor-based qubit design ably addresses this issue of qubit robustness.

July 9, 2013 | Research News

A “Hot Spot” for Quantum Information

A JQI-theory/TU Delft-experimental collaboration has recently published results that could be used to rapidly and reliably reset a qubit stored in a semiconductor double quantum dot.

June 18, 2013 | PFC | Research News

Quantum Information in Low Light

JQI researchers in the lab of Alan Migdall, demonstrate how one category of photo-detection system can make highly accurate readings of incoming information at the single-photon level by allowing the detector in some instances not to give a conclusive answer.

June 5, 2013 | PFC | Research News

Spin Hall Effect in a Quantum Gas

JQI Researchers have reported* the first observation of the "spin Hall effect" in a Bose-Einstein condensate.This is a step toward applications in "atomtronics"—the use of ultracold atoms as circuit components.

June 3, 2013 | PFC | Research News

Entanglement in a Flash

JQI researchers under the direction of Chris Monroe have produced quantum entanglement between a single atom’s motion and its spin state thousands of times faster than previously reported, demonstrating unprecedented control of atomic motion.

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