Quantum Optics News

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Making Quantum Light Tuning at Room Temperature Possible

The ability to control the color, or emission wavelength, of light from quantum sources is central to the development of secure quantum communication networks and photonic-based computing.

2 Apr 2025

The Ticking of Thorium Nuclear Optical Clocks

In a perspective article recurrently published in the National Science Review, Dr Xin Tong (Innovation Academy for Precision Measurement Science and Technology, Chinese Academy of Sciences) and his colleagues delve into the exciting prospects and challenges surrounding the development of the thorium-229 (229Th) nuclear optical clock.

2 Apr 2025

USC Researchers Develop First-Ever Quantum Filter to Isolate Entangled States with High Precision

In a groundbreaking advance that could accelerate the development of quantum technologies, researchers at the USC Viterbi Ming Hsieh Department of Electrical and Computer Engineering and School of Advanced Computing have demonstrated the first optical filter capable of isolating and preserving quantum entanglement—a mysterious but powerful phenomenon at the heart of quantum computing, communication, and sensing.

2 Apr 2025

A Router for Photons

Applied physicists at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a photon router that could plug into quantum networks to create robust optical interfaces for noise-sensitive microwave quantum computers.

2 Apr 2025

Colt Completes Quantum Secured Encryption Trial Across Optical Network

Colt Technology Services (Colt), the global digital infrastructure company, today announced the successful completion of a groundbreaking quantum-secured encryption trial across its optical wave network.

21 Mar 2025

SLAC Researchers Achieve Breakthrough in Electron Beam Technology

Researchers carefully positioned lasers to compress billions of electrons together, creating a beam five times more powerful than ever before.

17 Mar 2025

Harnessing Light and Matter to Advance Quantum Information Science

As part of the Q-NEXT quantum research center, Randall Goldsmith of the University of Wisconsin-Madison studies the interplay of light and matter, harnessing it for quantum information technologies.

24 Feb 2025

Breakthrough Quantum Signal Transmission Achieved with No Downtime

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 Feb 2025

Creating a Stable and Scalable Quantum Register Using Many-Body Physics

Scientists at the University of Cambridge's Cavendish Laboratory have used the atoms inside a semiconductor quantum dot to create a functional quantum register in a revolutionary development for quantum technologies.

29 Jan 2025

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