All Quantum Sensing & Metrology Posts
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China's Quantum Ambition
China’s Quantum Sensing Ecosystem: From Deep-Sea Diamonds to Drone-Mounted Submarine Hunters
In April 2025, a team from the University of Science and Technology of China published what might be the most consequential quantum sensing result of the decade — and almost nobody in the Western security community noticed. They had taken a nitrogen-vacancy center diamond magnetometer, packaged it into a ruggedized housing, and lowered it to the floor of the South China Sea aboard the manned…
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Quantum Sensing
Rydberg Atom Sensors: The Quantum Technology That Could Rewrite the Rules of Electronic Warfare
In April 2024, a startup nobody outside Beijing's quantum corridor had heard of quietly incorporated in Zhongguancun. Kewei Quantum (spun out of the Beijing Academy of Quantum Information Sciences) completed its first funding round within months of founding and began marketing two product lines: atomic clocks and Rydberg atom electromagnetic detection systems. That second product line deserves attention far beyond what it has received. Rydberg…
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Quantum Sensing
Quantum Sensing and AI for Drone and Nano-Drone Detection
Quantum sensing technologies are emerging as powerful tools to detect and track UASs, including small and nano-drones that often evade conventional sensors. These quantum sensors, such as quantum radars, quantum LiDARs, atomic magnetometers, and Rydberg RF detectors, exploit phenomena like entanglement, squeezing, and extreme sensitivity of quantum states to reveal faint drone signatures beyond classical limits. However, raw data from both quantum and classical sensors…
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Quantum Sensing
AI and Quantum Sensing: A Perfect Synergy
AI and quantum sensing complement each other perfectly. Quantum sensors provide the rich, nuanced data about physical reality at its smallest scales; AI provides the means to interpret and act on that data in real time. This synergy is already evident in cutting-edge projects – from AI algorithms cleaning up quantum microscope images to autonomous navigation systems using quantum sensors plus AI to chart their…
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Quantum Sensing
Quantum Sensing – Key Use Cases
At its core, quantum sensing goes beyond classical measurement limits. Traditional sensors – from thermometers to microphones – are ultimately constrained by thermal noise, electronic noise, and even the fundamental “shot noise” of particles. Quantum sensors break past these limits by exploiting the quirky properties of quantum mechanics, like superposition and entanglement. In a quantum sensor, particles (atoms, electrons, photons) are prepared in delicate quantum…
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Quantum Sovereignty
Quantum Sensing and Navigation as Sovereignty
Quantum sensing leverages quantum phenomena (entanglement, superposition, etc.) to achieve measurement precision beyond classical limits. Importantly, many quantum sensors are nearing deployable maturity, unlike quantum computers that remain experimental. Atomic clocks, quantum optical gyroscopes, gravity sensors and the like are transitioning from labs to real-world pilots. This means a nation that leads in quantum PNT and sensing could secure strategic benefits sooner than one betting…
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Quantum Sensing
Quantum LiDAR vs. Quantum Radar
Quantum radar and quantum LiDAR are no longer science fiction – they are emerging reality, albeit in early stages. They differ in technology and likely timelines: expect to hear more about quantum LiDAR in commercial products soon, while quantum radar will continue to be a strategic project for defense and require further breakthroughs to reach its full promise. Both, however, underscore the transformative power of…
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Quantum Sensing
Ethical and Privacy Implications of Quantum Sensing
Quantum sensing sits at a crossroads of promise and peril. On one hand, it embodies the awe-inspiring potential of quantum technology – offering us new eyes and ears to perceive the world in richer detail than ever before. It could save lives by finding disaster survivors behind rubble, improve medical diagnostics by monitoring vitals without contact, and enable scientific discoveries by observing nature’s tiniest forces.…
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