quantum simulation
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Combining trapped atoms and photonics for new quantum devices
From the University of Chicago: Researchers have discovered how to combine two powerful technologies — trapped atom arrays and photonic devices — to yield advanced systems for quantum computing, simulation and networking. The new combination will allow the construction of large quantum systems which can be easily scaled up, by leveraging photonics to interconnect individual atom arrays. Read More
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Advanced computation for chemical reaction studies
Scientists use for the first time a specific modeling method to study a chemical reaction that is expected to be useful for materials development in quantum technologies. Read More
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High-reliability measurements of quantum code and noise
Scientists introduce a metric for measuring the performance of any quantum code and noise, showing that the metric is more computationally efficient than traditional methods that rely on complex optimization. Read More
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Crossdisciplinary collaboration in quantum simulation
by Eric Chitambar The Simulations and Systems Thrust is helping Q-NEXT to advance our understanding of complex physical systems and to identify important new applications for quantum information hardware. The simulation work of this thrust focuses in two complementary directions. The first studies how quantum… Read More
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Quantum algorithms for entangled-state preparation
Scientists compare two ways of preparing the quantum state of molecular fragments before loading the input to an algorithm. One is better for smaller fragments; the other is more efficient for larger fragments. Read More
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QuTree for running quantum computer simulations
Scientists introduce QuTree, a C++ library designed for tree tensor network methods. To showcase its capabilities, the team used QuTree to run simulations of random circuits on a simulated quantum computer. Read More
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Two-qubit-operation analysis
Researchers analyze potential errors in a two-qubit setup and demonstrate that it's more resilient to experimental errors compared to previous methods, resulting in higher fidelity. Read More
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Optimizing the spin of nitrogen vacancy centers
Scientists create a theoretical model to improve the performance of nitrogen vacancy centers in diamond, a type of qubit that is promising for quantum communication and sensing. Read More
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Simulations reveal the atomic-scale story of qubits
From the University of Chicago: Researchers led by Giulia Galli at the University of Chicago report a computational study that predicts the conditions to create specific spin defects in silicon carbide. Their findings, published online in Nature Communications, represent an important step towards identifying fabrication parameters for spin defects useful for quantum technologies. Read More
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Women of Quantum Technology: Dr. Laura Gagliardi of the University of Chicago
From Inside Quantum Technology: Laura Gagliardi of the University of Chicago and her research team perform quantum chemistry simulations to study renewable energies and predicts chemical systems as potential qubits for the next generation of quantum computers. Gagliardi is also deeply committed to fostering inclusivity in science. Read More
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David Awschalom wins global Breakthrough of the Year award
David Awschalom, Q-NEXT Chief Science Officer and the Liew Family Professor of Quantum Engineering and Physics at the University of Chicago, received the prestigious Falling Walls Science Breakthrough of the Year in Physical Sciences for a pioneering body of work that broke the wall between quantum technology, molecules, and proteins. Read More
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Helium lifts new quantum computing concept
A team led by Jacob Covey, who is part of Q-NEXT and is an Associate Professor at the University of Chicago, laid out a new concept that could turn helium’s light weight into the next generation of quantum computers. The design relies on helium-3, an isotope with different quantum properties than the helium-4 used to cool MRI machines and fill party balloons. Once built, the computer could use high-powered lasers as “optical tweezers” to capture and control individual atoms of helium. Read More
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Researchers make materials that support quantum technology
Researchers from the University of Illinois Urbana-Champaign who are part of Q-NEXT are engineering material systems that support quantum technology. Chris Anderson and his team are developing materials for quantum transduction — the conversion of quantum information from one form to another. Elizabeth Goldschmidt, Daniel Shoemaker, and colleagues are developing quantum memory technology that stores quantum information for extended periods of time. Read More
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Silicon Chip Offers New Way to Probe Quantum Materials in Strong Magnetic Fields
Scientists have created a silicon chip that can detect the electrical behavior of very small materials by using very high-frequency waves. The chip is made only from silicon and other non-superconducting materials and still performs very well when cooled from room temperature down to about 4 Kelvin. Read More
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Making quantum bits ready to use again much sooner
Scientists from the University of Wisconsin-Madison and Intel have found that a simple electrical pulse can quickly push a quantum dot qubit out of a latched state and return it to its starting condition with very high reliability. Read More
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Q-NEXT-developed open-source software receives 2026 R&D 100 award
SeQUeNCe, a free, open-source software developed by Argonne scientists with Q-NEXT support, is one of seven Argonne projects that received a 2026 R&D 100 Award. The SeQUeNCe software lets researchers test how quantum networks might work before building them. Read More
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Researchers generate spontaneous magnons that synchronize with external signals
Researchers at Argonne and the University of Illinois Urbana-Champaign demonstrate a method for generating stable ripples in magnetic materials called magnons. The work opens avenues for information processing in microelectronics and quantum devices. Read More
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Uncovering the hidden disorder in silicon quantum computers
From the U.S. Department of Energy: Q-NEXT researchers map the variation in materials to the atom level to scale up silicon qubits Read More
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Color centers in high-purity diamond
Researchers mapped how electron irradiation makes defects inside diamond, finding that creating more vacancies does not always produce more NV centers. Too many vacancies can form unwanted defects. This result can inform advances in quantum sensing. Read More
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Containing multitudes: SLAC scientist collaborates to create scalable qubits
At SLAC National Accelerator Laboratory, Q-NEXT collaborator Shannon Harvey develops quantum dots — a mass-producible type of qubit. Driven by curiosity about nature and how things work, Harvey draws on her facility for working at the nanoscale. Read More