quantum network
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A compact, fiber-connected quantum networking node
Researchers build a compact, fiber-connected quantum networking node that efficiently collects photons while creating high-quality atom-photon entanglement. The reproducible, cavity-free design could help scale future quantum networks and repeaters. Read More
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Three Illinois faculty named Sloan Foundation fellows
From the University of Illinois Urbana-Champaign: Q-NEXT collaborator Jacob Covey of UIUC is recognized for his work in quantum physics, quantum communications and quantum information by studying atoms with tweezers made of focused laser beams. Read More
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Public Quantum Network receives inaugural award from World Quantum Day
From the University of Illinois Urbana-Champaign: The Public Quantum Network is awarded the Continental Quantum City Prize for North & Central America at the closing ceremony of the United Nations International Year of Quantum Science and Technology. Read More
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Connecting with commercial networks through erbium
Erbium ions are great for quantum networks: They emit and absorb light at telecom frequencies. Q-NEXT researchers show that erbium spins in thin films of doped cerium oxide stay coherent for tens of microseconds and even longer with special techniques. Read More
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Sharing quantum entanglement through a noisy network
Scientists at the University of Illinois have studied a practical version of entanglement distribution: a central source creates an entangled state and sends each piece through a separate noisy quantum channel to different receivers. Read More
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Telecom-wavelength entanglement with ytterbium
Researchers at the University of Illinois Urbana-Champaign create high-quality quantum entanglement between ytterbium atoms and photons at telecom wavelengths, eliminating the need for conversion. Read More
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Quantum networks can probe general relativity on Earth
From the University of Illinois Urbana-Champaign: A study co-authored by Jacob Covey shows how a network of quantum computers employing optical clocks can probe gravitational effects on quantum systems. Read More
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Low-noise qubits for quantum communication
Qubits made of erbium ions in cerium dioxide are compatible with fiber-optic networks and have long relaxation and coherence times — making them a promising candidate for quantum networking. Read More
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Vanadium in silicon carbide for scalable quantum networks
Researchers show improved relaxation times for qubits made from vanadium in silicon carbide, demonstrating the material as a promising one for quantum communication devices. Read More
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Building the quantum economy - Chicago style
From HPCWire: HPCwire talks with Q-NEXT Director David Awschalom about the evolution of the quantum information technology market, the prospects for quantum computing sensing and communication, the Illinois Quantum and Microelectronics Park, current messaging on a quantum future, quantum startups, and the quantum workforce. Read More
In the News
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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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Neutral atom computers: the physics of Rydberg quantum gates | Mark Saffman
From 632nm: Mark Saffman, professor at the University of Wisconsin–Madison and chief scientist at Infleqtion, discusses the physics of optical tweezers and Rydberg gates, how neutral atoms perform quantum logic and create entanglement, and why this platform offers advantages in connectivity and scalability. Read More
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Prof. Giulia Galli appointed CNRS Fellow-Ambassador
From the University of Chicago: With the appointment, Galli joins a prestigious cohort of leading figures from the world’s scientific community. Read More
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Tuning into quantum sounds
From Caltech: Researchers at Caltech and Stanford University, including Stanford's Amir Safavi-Naeini, create tiny vibrating devices that can naturally display quantum behavior without needing an external quantum circuit. By harnessing microscopic defects already present in the material, the team achieved single-phonon nonlinear effects that could enable simpler quantum sensors capable of detecting and studying individual molecules with extraordinary sensitivity. Read More
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Illinois touts growing quantum workforce as state shows industry leadership
From NPR Illinois: Q-NEXT Workforce Development Lead Emily Easton discusses the growing quantum education and workforce ecosystem in Illinois. Read More