An international team from LMU, Harvard University and the Institute of Materials Science in Japan has successfully demonstrated the detection of individual photons in the infrared spectrum by utilizing a revolutionary material called magic-angle twisted bilayer graphene. This discovery represents a significant step towards extending superconducting single-photon detection to longer-wavelength photons. The results are featured in Science Advances.

Researchers from Fujitsu and QuTech have developed new and ultra-cold electronic circuits to control diamond-based quantum bits. As a result of their joint research project, it becomes possible to build larger quantum computers, through overcoming the ‘wiring bottleneck’, while maintaining high quality performance. In fact, both the quantum bits and the control electronics can be conveniently operated in a single compact cryogenic refrigerator. The researchers publish their results at IEEE’s ISSCC.

Now a team led by Nadj-Perge that includes Lingyuan Kong, AWS quantum postdoctoral scholar research associate, and other colleagues at Caltech has discovered a new superconducting state—a finding that provides a new piece of the puzzle behind this mysterious but powerful phenomenon. A paper about the work was published on March 19 in the journal Nature.

The Center Nanoelectronic Technologies (CNT) at Fraunhofer IPMS has recently acquired new cryostats for the research on qubits and the qualification of superconducting systems. The cryogenic measuring devices, which are particularly useful for analyzing quantum systems, are now in full operation. The provision of the equipment was funded by the Saxon State Ministry for Science, Culture and Tourism (SMWK).

Scholars at the School of Engineering of the Hong Kong University of Science and Technology (HKUST) have unveiled an innovation that brings artificial intelligence (AI) closer to quantum computing – both physically and technologically.

The University of Basel and the University of Bern are setting up a new research center to enable the construction of superconducting quantum units. The Werner Siemens Foundation is supporting the project with a total of CHF 15 million over the next eleven years.

University of Texas at Dallas scientists are investigating how structures made from several layers of graphene stack up in terms of their fundamental physics and their potential as reconfigurable semiconductors for advanced electronics.

In a new development that could help redefine the future of technology, a team of physicists has uncovered a fundamental insight into the upper limit of superconducting temperature.

Microsoft’s topological qubit is constructed of indium arsenide and aluminum, which becomes a superconductor at very low temperatures. It is the result of nearly two decades’ work by a Microsoft team led by Chetan Nayak, Microsoft technical fellow and professor at the University of California at Santa Barbara. In this edited conversation, Nayak, who got his start in physics as a Harvard College undergraduate in the late 1980s and early 1990s, spoke with the Gazette about the advance and about his experience treading the sometimes-difficult path of discovery.

Quantum spin liquids are unusual states of matter where the spins stay actively in motion even at extremely low temperatures. These spins show a fascinating behavior called fractionalization, where particles seem to break into smaller parts. Purdue University researchers seek spin excitation modes, which are key in finding fractionalization using optical tools.