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Research News

May 10, 2021 | Research News

JQI Researchers Generate Tunable Twin Particles of Light

Identical twins might seem “indistinguishable,” but in the quantum world the word takes on a new level of meaning. While identical twins share many traits, the universe treats two indistinguishable quantum particles as intrinsically interchangeable. This opens the door for indistinguishable particles to interact in unique ways—such as in quantum interference—that are needed for quantum computers.

A red beam with packets of photons represented as dots passes through a cloud of atoms represented by a cluster of blue spheres.
April 26, 2021 | Research News

Two (Photons) is Company, Three’s a Crowd

Photons—the quantum particles of light—normally don’t have any sense of personal space. A laser crams tons of photons into a tight beam, and they couldn’t care less that they are packed on top of each other. Two beams can even pass through each other without noticing.

Data in the form of a rainbow laid out around a central point next to a whorl of hair on a baby's head.
March 3, 2021 | Research News

Researchers Comb Atoms into a Novel Swirl

When you brush your hair in the morning, there’s a pretty good chance you’re not thinking about quantum physics. But the way your hair swirls as you brush is actually related to some features of the quantum world.

January 6, 2021 | Research News

A Frankenstein of Order and Chaos

Normally the word “chaos” evokes a lack of order: a hectic day, a teenager’s bedroom, tax season. And the physical understanding of chaos is not far off. It’s something that is extremely difficult to predict, like the weather. Chaos allows a small blip (the flutter of a butterfly wing) to grow into a big consequence (a typhoon halfway across the world), which explains why weather forecasts more than a few days into the future can be unreliable.

December 8, 2020 | Research News

Proposal Shows How Noisy Qubits Might Correct Themselves

One of the chief obstacles facing quantum computer designers—correcting the errors that creep into a processor’s calculations—could be overcome with a new approach proposed by physicists from JQI and the California Institute of Technology. The team, who are all affiliated with the National Institute of Standards and Technology, may have found a way to design quantum memory switches that will self-correct. 

December 7, 2020 | Research News

Enhanced Frequency Doubling Adds to Photonics Toolkit

The digital age has seen electronics, including computer chips, shrink in size at an amazing rate, with ever tinier chips powering devices like smartphones, laptops and even autonomous drones. In the wake of this progress, another miniature technology has been gaining steam: integrated photonics.

Stars in the night sky
October 21, 2020 | Research News

A Billion Tiny Pendulums Could Detect the Universe’s Missing Mass

Researchers at JQI and their colleagues have proposed a novel method for finding dark matter, the cosmos’s mystery material that has eluded detection for decades. Dark matter makes up about 27% of the universe; ordinary matter, such as the stuff that builds stars and planets, accounts for just 5% of the cosmos. (A mysterious entity called dark energy, accounts for the other 68%.)

October 7, 2020 | Research News

Mind and Space Bending Physics on a Convenient Chip

Thanks to Einstein, we know that our three-dimensional space is warped and curved. And in curved space, normal ideas of geometry and straight lines break down, creating a chance to explore an unfamiliar landscape governed by new rules. But studying how physics plays out in a curved space is challenging: Just like in real estate, location is everything.

Slide announcing the launch of the NSF's second Convergence Accelerator cohort
September 29, 2020 | People News | Research News

UMD to Lead $1M NSF Project to Develop a Quantum Network

Quantum technology is expected to be a major technological driver in the 21st century, with significant societal impact in various sectors. A quantum network would revolutionize a broad range of industries, including computing, banking, medicine and data analytics. The internet has transformed virtually every aspect of our lives by enabling connectivity between people across the globe; a quantum internet could have a similar transformational potential for quantum technology. 

September 24, 2020 | Research News

Quantum Matchmaking: New NIST System Detects Ultra-Faint Communications Signals Using the Principles of Quantum Physics

Researchers at the National Institute of Standards and Technology (NIST), the Department of Physics at the University of Maryland (UMD) and JQI have devised and demonstrated a system that could dramatically increase the performance of communications networks while enabling record-low error rates in detecting even the faintest of signals. The work could potentially decrease the total amount of energy required for state-of-the-art networks by a factor of 10 to 100. 

August 26, 2020 | Research News

New $115 Million Quantum Systems Accelerator to Pioneer Quantum Technologies for Discovery Science

The Department of Energy (DOE) has awarded $115 million over five years to the Quantum Systems Accelerator (QSA), a new research center led by Lawrence Berkeley National Laboratory (Berkeley Lab) that will forge the technological solutions needed to harness quantum information science for discoveries that benefit the world. It will also energize the nation’s research community to ensure U.S. leadership in quantum R&D and accelerate the transfer of quantum technologies from the lab to the marketplace. Sandia National Laboratories is the lead partner of the center.