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 ...

For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise ...

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) ...

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 ...

Breakthrough paves the way for interconnecting quantum computers over vast distances by leveraging existing fiber optic infrastructure COLLEGE PARK, Md.--(BUSINESS WIRE)-- IonQ (NYSE: IONQ), the ...

A wafer-thin flake of bismuth telluride can act a little like a one-way street for electricity, even when the push comes from ...

A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

QUBT rides on booming TFLN demand with $1.5B raised and strong customer traction - but is its 600x sales valuation too rich to ignore?

While the basic form of QKD enables information to be transmitted securely, it does have some weak points. One of them is ...