Physicists have developed a spectral-filtering technique that strips away unwanted extra photons from quantum light sources, ...

A new study from the University of Portsmouth has outlined a possible way to improve how we distinguish between two closely spaced light sources, an issue that has long challenged classical imaging ...

A photonics research group co-led by Gregor Weihs of the University of Innsbruck has developed a new technique for generating multi-photon states from quantum dots that overcomes the limitations of ...

The nature of quantum particles has long puzzled scientists. While single-particle interference suggests that a photon can ...

Photon blockade is a quintessential phenomenon in quantum optics, wherein a strongly nonlinear system prevents the absorption of additional photons once a single photon is present, effectively ...

Add Yahoo as a preferred source to see more of our stories on Google. Novel quantum gate. A new heralded photonic gate entangles two four-level qudits, using orbital angular momentum instead of ...

Quantum radar leverages quantum entanglement for superior detection in noisy environments, surpassing classical systems with ...

Hiroshima University researchers develop a new experimental method to demonstrate that interference physically delocalizes ...

Laser spectroscopy is a powerful tool for atmospheric gas analysis, yet traditional methods face challenges due to atmospheric turbulence and significant energy loss. While dual-comb spectroscopy ...

A team of researchers of the University of Stuttgart and Julius-Maximilians-Universität Würzburg led by Stuttgart’s Prof. Stefanie Barz has demonstrated a source of single photons that combines ...

The new approach uses a purely optical technique called stimulated two-photon excitation to generate streams of photons in different polarization states directly from a quantum dot without requiring ...