New Protocol Achieving On-demand Single Photons; Realization of Optical Storage A New Theory for Trapping Light Particles Aims to Advance Development of Quantum Computers The proposed protocol can be used to realize “optical memories” and achieve on-demand storing and releasing of single photons. Quantum computers, […]
Stabilising quantum computers with ‘noise-cancelling headphones’ Excerpts and salient points ~ • Quantum entanglement is a delicate state that requires the particles used for computing, known as qubits, to be insulated from outside vibrations, electromagnetic waves, and kept at incredibly low temperatures… Interference not only […]
Two-Cavity System Generates High-Quality Single Photons Efficiently A new dual-cavity design for a quantum emitter, from the Massachusetts Institute of Technology (MIT), emits more high-quality single photons for carrying quantum information at room temperature than existing methods. The two-cavity system could make the development of […]
Quantum Physicists Pouring Photon Schnapps. A Still for Light Quanta. An atom in a cavity extracts highly pure single photons from weak laser light. Quantum physicists can now distil a kind of photon schnapps. When spirits are distilled, the alcohol content increases relative to the […]
U.S. Project Scaling Quantum Network from Local Area to Wide-Area. Quantum Goes the Distance. U.S. research team expands quantum network with successful long-distance entanglement experiment. Scientists from the U.S. Department of Energy’s Brookhaven National Laboratory, Stony Brook University, and DOE’s Energy Sciences Network (ESnet) are […]
Detecting Electrons from a Long Distance: 100+ Nanometers. A team of physicists at Leiden University in the Netherlands has detected a single electron, using a single molecule, with enough sensitivity to detect an electron from “hundreds of nanometers” apart. Physicists have been able to manipulate […]
Quantum Spin in Sheets of Hexagonal Boron Nitride are Reading Out Quantum States. The sheer volume of data held in a quantum bit vice a classical binary bit’s 1 or 0 is the strength behind quantum computing as a “revolutionary technology.” But to harness this […]
Translating Quantum Technology into Practice. In June 2018, researchers in the launched the U.K.’s first quantum network. The metro-area network provides secure quantum communications between Cambridge University’s Electrical Engineering Division in West Cambridge and Toshiba Research Europe Ltd (TREL). The network has since been extended to […]
Crystals Coupled with Current Fiber-optic Links for Low Loss Quantum Information Transfer. For the first time, researchers have demonstrated that crystals manufactured by lasers within a glass matrix maintain full ferroelectric functionality. What does this do for quantum computing? Applications for the technology include use […]
Quantum Key Distribution in the Holland Tunnel. The annual QKD market may demand $2 billion by 2024. The nascent technology promises to be nearly impossible to hack without discovery. Currently the technology is being tested throughoout the world. Unknown to nearly everyone, the cutting-edge quantum science […]
Quantum Entanglement Self-testing Protocol. Quantum entanglement is key to quantum information processing. With the fragile state of quantum bits, device-independent certification of entangled states demands self-testing. “The central aim of self-testing is to certify the state and measurements of quantum systems without any knowledge of their […]
Quantum Computing Cloud. Harvard’s John A. Paulson School of Engineering and Applied Sciences researchers have shifted the frequency of photons using microwaves. Using a molecule-like photonic system built with lithium niobate on a chip, the team demonstrated that light’s frequency and phase could be controlled by […]
Improved Quantum Sensing; Nears Heisenberg Limit. The U.S.’s Oak Ridge National Laboratory Quantum Information Science Group is in an on-going quest to reach the elusive edge of possible measurement at the quantum level – the Heisenberg limit. Recent work is considered to be a significant achievement […]
Turning Classic Computing Information Into Quantum States of Photons. Research conducted at Kazan Federal University is producing mathematical models useful to full-scale quantum computing. The quantum hashing is able to guard against error in computation. The team is part of a wider effort to enable […]
European Space Agency Sees Laser Communication as Next Revolution. With the use of satellites projected to double and spending to increase over $2B from 2020 to 2025, the ESA, views laser communication as the “basis for the next revolution in satcom.” This looks to be […]
Protecting Entanglement of Photons with Symmetry. Research conducted at the Karlsruhe Institute of Technology further proves quantum entanglement (quantum states) may be preserved when passing through nanoscale holes. The quantum computing nexus is the preservation of quantum information when passing through these waveguides. The […]
Silicon Photonic Chips: Solving Two Challenges for Quantum Computing. Silicon computer chips are the foundation for nearly all computing devices today. From your desktop, to the server room, back into your palm inside your smartphone, and circling Earth in the International Space Station, they’re everywhere. […]