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March 3, 2015 | People News

Exploring Quantum Physics IV

“Exploring Quantum Physics" (EQP) a massive open online course (MOOC) on Coursera, begins its fourth edition on March 30, 2015. The link is:

February 26, 2015 | PFC | Research News

Modular Entanglement Using Atomic Ion Qubits

JQI researchers demonstrated modular entanglement between two atomic systems, separated by one meter. Here, photons are the long distance information carriers entangling multiple qubit modules. Inside of a single module, quantized collective vibrations called phonons connect individual qubits. In the latest result, one module contains two qubits and a second module houses a single qubit.

February 23, 2015 | People News

JQI Fellows Manucharyan and Hafezi awarded prestigious Sloan Research Fellowship

Two JQI Fellows, Mohammad Hafezi and Vladimir Manucharyan, are among the four University of Maryland faculty members that have been awarded 2015 Sloan Research Fellowships. This award, granted by the Alfred P. Sloan Foundation, identifies 126 early-career scientists based on their potential to contribute fundamentally significant research to a wider academic community.

UMD’s 2015 Sloan Research Fellows are:

January 8, 2015 | Outreach | People News

Topology in Condensed Matter: Tying Quantum Knots

Jay Sau and colleagues will be teaching a new online course on topology in Condensed Matter. The course will start February 2015--visit to sign up! The course is a collaboration of researchers from UMD, TUDelft and QuTech.

November 14, 2014 | PFC | Research News

Best Quantum Receiver

Alan Migdall and Elohim Becerra and their colleagues at the Joint Quantum Institute have devised an optical detection scheme with an error rate 25 times lower than the fundamental limit of the best conventional detector. They did this by employing not passive detection of incoming light pulses. Instead the light is split up and measured numerous times.

November 14, 2014 | People News

Three JQI Fellows Win APS Awards

Three Fellows of the Joint Quantum Institute (JQI), a joint research partnership between the University of Maryland (UMD) and the National Institute of Standards and Technology (NIST), have won major awards from the American Physical Society, the nation’s largest professional organization of physicists. The scientists are Ian Spielman and Gretchen Campbell of NIST, and Christopher Monroe of UMD, each honored in a different category.

boson spin-hall thumb
October 20, 2014 | PFC | Research News

Restoring Order

Every electrical device is enabled by the movement of charge, or current. ‘Spintronics’ taps into a different electronic attribute, an intrinsic quantum property known as spin, and may yield devices that operate on the basis of spin-transport. JQI/CMTC theorists have been developing a model for what happens when spins are trapped in an optical lattice structure with a “double-valley” feature. This new result opens up a novel path for generating what’s known as the spin Hall effect, an important example of spin-transport.

Interfering Waves
October 10, 2014 | PFC | Research News

Getting sharp images from dull detectors

A new extreme for sub-wavelength interference has been achieved by JQI scientists using thermal light and small-photon-number light detection. Achieving this kind of sharp interference pattern could be valuable for performing a variety of high-precision physics and astronomy measurements.

October 8, 2014 | PFC | Research News

A cold-atom ammeter

JQI scientists have added an important technique to the atomtronics arsenal, a method for analyzing a superfluid circuit component called a ‘weak link’. The result, detailed in the online journal Physical Review X, is the first direct measurement of the current-phase relationship of a weak link in a cold atom system.

August 21, 2014 | PFC | Research News

On-chip Topological Light

JQI researchers led by Mohammad Hafezi report detailed measurements of the transmission (how much energy is lost) and delay for edge-state light and for bulk-route light on a photonic chip.

July 31, 2014 | People News

Two JQI undergraduates honored for their thesis work

Ike Uchenna Chukwu and Burkley Patterson were recently both named recipients of the 2014 IPST Monroe Martin Prize for Undergraduate Research in Physics. 

Burkley's work was titled "Construction and Experiments with a Cavity QED system." He will be continuing his work, now as a graduate student, in Luis Orozco's Cavity QED experiment, which is supported by NSF.