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New Ion Crystal Clock Achieves Unprecedented Accuracy

Recent research published in Physical Review Letters by PTB (Physikalisch-Technische Bundesanstalt) details the development of a new indium-ytterbium crystal optical clock, which achieves an accuracy 1000 times better than current cesium clocks.

20 Jan 2025

Protecting Quantum Signals: ORNL Partnership with EPB Tests New Method for Protecting Quantum Networks

Researchers at the Department of Energy’s Oak Ridge National Laboratory joined forces with EPB of Chattanooga and the University of Tennessee at Chattanooga to demonstrate the first transmission of an entangled quantum signal using multiple wavelength channels and automatic polarization stabilization over a commercial network with no downtime.

14 Jan 2025

Study Compares Throughput in Conventional and Quantum Networks

In quantum networks, the entangled quantum bits per second (ebps) indicates the network's throughput. Scientists have developed theories to estimate the capacity of quantum connections and the maximum achievable ebps.

27 Dec 2024

Quantum Sensors Used to Move Prosthetics

For controlling prosthetics, the body’s signals must be detected to move the artificial limb. At the moment, implanting electrodes is the most common technique but this is invasive and electrodes can deteriorate or move position.

4 Dec 2024

Molten Salt Enables the Growth of Novel Quantum Dot Materials

Researchers from the University of Chicago, University of California Berkeley, Northwestern University, the University of Colorado Boulder, and Argonne National Laboratory have pioneered a technique using molten salt to grow new types of quantum dots, offering an efficient way to create nanocrystals that were previously inaccessible due to high temperature requirements.

28 Oct 2024

Mode Hybridization Expands Nonlinear Bandwidth on Photonic Chips

Researchers utilized birefringent mode hybridization on thin-film lithium niobate to achieve broadband second-harmonic generation in micro-racetrack resonators. This advancement in chip-scale nonlinear bandwidth conversion holds promise for quantum light sources and other photonic applications

22 Oct 2024

Enhancing Spin-Orbit Coupling in Graphene

According to a study published in ACS Nano, a Spanish-German team discovered that inserting a few monolayers of the ferromagnetic element cobalt between graphene and the heavy metal (in this case, iridium) significantly enhances these effects.

23 Sep 2024

Q-CTRL’s Fire Opal Among First Qiskit Functions Delivering Utility-Scale Performance to the Global Quantum Developer Community

Q-CTRL, the global leader in quantum infrastructure software, today announced that it offers two services via IBM’s new Qiskit Functions Catalog to simplify application development and performance management services.

17 Sep 2024

Quantum Techniques Advance Future Network Security

This article reviews advancements in quantum communication technologies, specifically joint detection receivers (JDRs) and entanglement-assisted (EA) communication.

9 Sep 2024

Quantum Tunneling Enables Single Atom X-Ray Characterization

According to a study published in Nature, researchers have successfully used X-ray spectroscopy to determine the element of a single atom at a time, for the first time since X-rays were discovered in 1895.

2 Sep 2024