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quantum computing News
Nanophotonics Are at the Heart of Advancements in Quantum Computing, 5G, and More
Jul 20, 2021 — The increasing data traffic that has been stimulated by emerging services such as data center cloud services and 5G will require the use of technologies that can reduce power consumption, are cost-effective, and provide enhanced data security. In this context, the miniaturization provided by photonic integrated circuits (PICs) — small waveguides with nanometric dimensions — makes them the perfect technology to help achieve these results because they are fabricated on wafers using a standard...
Optical Power Limiter Pushes Attack-Proof Quantum Communication Forward
SINGAPORE, July 19, 2021 — Researchers from the National University of Singapore (NUS) developed two methods to enable quantum key distribution (QKD) communications to avoid side-channel attacks — instances in which attackers exploit weaknesses in the setup of the...
Team Develops Largest-of-Its-Kind Quantum Simulator
CAMBRIDGE, Mass., July 14, 2021 — A team of physicists from the Harvard-MIT Center for Ultracold Atoms and other universities has developed a special type of quantum computer known as a programmable quantum simulator capable of operating with 256 quantum bits, or...
Honeywell Quantum Solutions, Cambridge Quantum Computing to Merge
CHARLOTTE, N.C., June 9, 2021 — Honeywell Quantum Solutions and Cambridge Quantum Computing will merge, creating a powerhouse integrated quantum computing and technology company that will offer a full suite of fully integrated quantum hardware and software solutions. In separate...
Graphene-Based Josephson Junction Enables Single-Photon Detection
CAMBRIDGE, Mass., May 20, 2021 — Researchers at Raytheon BBN Technologies developed a method of single-photon detection based on a Josephson junction. The advancement, which is poised to spur development in sensor, communication, and quantum processing technology, features the...
Optical Device Tunes Light One Photon at a Time
STANFORD, Calif., April 26, 2021 — Stanford University researchers developed an optical device that enables the fine-tuning and changing of frequencies of individual photons in a stream of light, to virtually any mixture of colors. The new photonic architecture has potential...
Optical Fiber Brings Universal Quantum Computing Closer
GAITHERSBURG, Md., March 25, 2021 — Physicists at the National Institute of Standards and Technology (NIST) measured and controlled a superconducting qubit using optical fiber, rather than metal electrical wires. The work moves toward a universal quantum computer capable of solving...
Bonn Team’s Technology Brings Quantum Networks Closer to Reality
BONN, Germany, March 22, 2021 — Researchers from the University of Bonn demonstrated quantum entanglement between a stationary qubit and a photon with direct coupling to an optical fiber. The work represents a major step toward the realization of quantum networks and, from them,...
Indiana University Team First to Test Sandia’s Open-Access Quantum Computer
ALBUQUERQUE, N.M., March 19, 2021 — Sandia National Laboratories’ Quantum Scientific Computing Open User Testbed, or QSCOUT, is now operational and ready for public use. Scientists from Indiana University recently became the first team to use the system. QSCOUT aims to address...
EU Sets Sail for Large-Scale Quantum Computing
GRENOBLE, France, Feb. 25, 2021 — Stemming from the EU’s Quantum Flagship 10-year, $1.18 billion (€1 billion) research and development initiative program launched in 2018, 19 companies and research institutions have joined forces for the QLSI (Quantum Large Scale...
Scientists Follow the Dots to Quantum Optical Circuits
LOS ANGELES, Feb. 10, 2021 — Researchers at the University of Southern California (USC) developed a method that emits uniform single photons from precisely arranged quantum dots. The advancement benefits from an existing method for intentionally arranging quantum dots that USC...
Nearly Dissipationless Current Achieved Through Light-Induced Switch
AMES, Iowa, Jan. 21, 2021 — Researchers at the U.S. Department of Energy’s Ames Laboratory, along with collaborators from Brookhaven National Laboratory and the University of Alabama at Birmingham, have found a light-induced switch that twists the crystal lattice of the...
Crystals Doped with Rare-Earth Ions Drive Ultrafast Quantum Computing
TARTU, Estonia, Jan. 20, 2021 — Scientists at Estonia’s Institute of Physics at the University of Tartu are using rare earth ions as qubits in their development of a new variation of optical quantum computers. Qubits of microcrystals, synthesized on the basis of mixed...
Chip-Based Source Creates Entangled Photons 100x More Efficiently
HOBOKEN, N.J., Dec. 21, 2020 — In pursuit of a fast and efficient source of entangled photon pairs necessary for quantum computing and ultrafast communications, researchers from Stevens Institute of Technology have developed a chip-based source capable of producing entangled...
Researchers Claim New Record in Quantum Light Detection
BRISTOL, England, Nov. 12, 2020 — Researchers from the University of Bristol have claimed a new record for detecting squeezed light, using a newly developed balanced homodyne detector. The work could pave the way for higher-performance quantum computers and quantum communications....
Researchers Devise Method to Observe Atomic Interactions, Quantum Mechanics
PRINCETON, N.J., Nov. 12, 2020 — Researchers from Princeton University have formulated a method to control and measure atoms that are indistinguishable when observed with an optical lens. The work allows the researchers to observe atomic interactions and quantum mechanical...
UK and Canada Collaborate on Quantum Tech
SWINDON, England, Nov. 12, 2020 — United Kingdom Research and Innovation (UKRI) and the Natural Sciences and Engineering Research Council (NSERC) of Canada are backing eight projects that seek to commercialize quantum technologies. According to UKRI, the effort is the first...
Researchers Creep Closer to Stable Quantum Memory
ST. PETERSBURG, Russia, Nov. 2, 2020 — Researchers at ITMO have shown that individual atoms can be transformed into polaritons — quantum particles that are a mixture between matter and light, which are transmitted via optical fibers. The research may have applications in quantum...
CEA-Leti to Build Quantum Photonics Platform
GRENOBLE, France, Oct. 29, 2020 — CEA-Leti announced plans to build a quantum photonics platform to develop technologies for industries requiring ultrasecure data transmission. The project is funded by Carnot, a French multidisciplinary network. The three-year project aims to...
Quantum Theorists Rise Beyond Decades-Old Laser Limitation
NATHAN, Australia, Oct. 28, 2020 — Quantum theorists from Griffith University and Macquarie University, both in Australia, used quantum mechanics to overturn an assertion about laser coherence that has been the common belief for 60 years. The research shows that it is possible to...
Optical Wiring Enables Larger Quantum Computers
ZURICH, Oct. 27, 2020 — Researchers at ETH Zurich have demonstrated a method for the delivery of multiple laser beams precisely to their intended locations, from within the physical architecture of a single chip. The method is stable enough to allow for delicate quantum...
Light Stored and Transported in a Cloud of Atoms
MAINZ, Germany, Oct. 21, 2020 — Researchers at Johannes Gutenberg University Mainz (JGU) successfully transported light stored in a quantum memory over a distance of 1.2 mm. The technology, once refined, could have implications for quantum memory storage. To achieve high-level...
Refined Waveguide Quantum Electrodynamic Architecture Spurs Qubit Photon Generation
CAMBRIDGE, Mass., Oct. 14, 2020 — By connecting superconducting quantum bits to a microwave transmission line, MIT researchers demonstrated how qubits can generate, on demand, photons needed to support communication between quantum processors. The demonstration is a step toward...
Emitter Generates Identical Single Photons on Demand
BERKELEY, Calif., Oct. 12, 2020 — Researchers at Lawrence Berkeley National Laboratory have developed a method of generating single identical photons on demand, a crucial step in realizing quantum communication. The photon emitter is based on a common 2D semiconductor material...
Exploring the Role of High-Purity Laser Light in Quantum Technology
Oct 6, 2020 — A second quantum revolution is underway. The first revolution relied on an understanding of the wave-particle duality of electrons and photons, and led to the information age of smartphones, the internet, and supercomputers. Inventions of the second...
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June 2024
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