Researchers have designed a new device that can efficiently create multiple frequency-entangled photons, a feat that cannot be achieved with today's optical devices. The new approach could open a path ...

Quantum entanglement happens when two particles become interconnected and share a single state. Scientists have measured how ...

The technology’s applications span secure communications with multiple simultaneous channels, faster quantum computing ...

A research team affiliated with UNIST has unveiled a quantum device, capable of ultra-fast operation, a key step toward ...

Key result A six-year-long research effort has seen researchers in Canada build a chip-scale device that can generate multiphoton entangled states. (Courtesy: Ultrafast Optical Processing Group) ...

Quantum frequency transducer (QFT) is a lead edge technology born from nonlinear optics, which is a basic tool in quantum information technology. QFT is a technology that the wavelength of a photonic ...

Long-range couplings between lattice sites algorithmically speed up the efficiency of quantum walks. Scientists in China ...

Despite these challenges, frequency-bin pairs -- two qudits in the form of photons that are entangled in their frequencies -- are well suited to carrying quantum information because they can follow a ...

Alphabet made a breakthrough in late 2024 with its Willow chip, which was able to exponentially reduce errors as it added ...