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🚨🇷🇺Russian scientists among first to master compressed light technology The compact on-chip source of quantum compressed light unlocks new advances in ultra-sensitive quantum sensing and computing 🔸 The advance enables compact, ultra-sensitive sensors based on ‘squeezed’ light 🔸 Squeezed light surpasses the standard quantum limit of classical light, enabling...

13,756 次观看 • 2 天前 •via X (Twitter)

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🚨 SCIENTISTS JUST TRAPPED A SINGLE ATOM ON A PHOTONIC CHIP AND IT COULD CHANGE QUANTUM COMPUTING FOREVER. Researchers at Quantum Source and the Weizmann Institute have successfully trapped a single rubidium atom just 150–200 nanometers from a photonic resonator on a chip. That’s close enough for the atom to directly interact with light flowing through the circuit. Why this matters: Quantum computing has always had two separate superpowers: • Neutral atoms → ultra-stable quantum states • Photonic chips → fast, scalable light-based circuits The problem? They’ve never played well together. Atoms are fragile near surfaces and photonic chips are tiny. Now they’ve cracked it with a new “single-stroke loading” technique: a carefully shaped optical field slows the atom down, catches it, and lets it communicate directly with photons inside the chip. The deeper implication is huge: This is the first real bridge between two of the most promising quantum platforms. It opens the door to: • chip-scale quantum networks • photonic quantum processors • ultra-secure quantum communication • quantum internet infrastructure • and scalable quantum systems built with semiconductor-style fabrication For the first time, a single atom isn’t just sitting near the chip it’s actively changing how photons behave inside the resonator. The two worlds of quantum computing are finally starting to merge. What happens when single atoms become programmable building blocks inside photonic processors? Follow for more frontier physics and future-tech discoveries.

TheNewPhysics

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🚨 SCIENTISTS JUST FOUND A WAY TO CONTROL QUANTUM LIGHT BY SIMPLY TWISTING ATOM-THIN LAYERS LIKE TUNING A GUITAR STRING. Researchers at the University of Technology Sydney have discovered that twisting and restacking layers of hexagonal boron nitride (hBN) gives them unprecedented control over quantum emitters tiny defects that produce single photons of light. By changing the twist angle between layers, they can significantly shift the color and wavelength of the quantum light being emitted. This level of tuning is much larger than what’s typically possible with other quantum materials. Why this matters: • Quantum emitters are essential building blocks for quantum computers, secure communication, and ultra-sensitive sensors • Until now, precisely controlling their properties has been extremely difficult • hBN’s natural layered structure allows researchers to repeatedly pick up, twist, and restack layers to fine-tune the emitters • The tuning achieved here is significantly stronger than in most other platforms The deeper implication: This approach turns a fundamental property of 2D materials (twistronics) into a practical tool for quantum photonics. Instead of trying to force hBN to behave like traditional materials like diamond or silicon carbide, the team leveraged its unique strength: its ability to be twisted and reassembled like atomic-scale LEGO. If this technique can be scaled and integrated into devices, it could accelerate the development of practical quantum technologies by giving engineers a simple, powerful way to control single-photon sources on demand. How important do you think precise control over quantum light sources will be for building real-world quantum computers and networks? Follow for more frontier quantum materials and photonics breakthroughs.

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18,762 次观看 • 12 天前