The Laser Where Atoms Listen to Each Other ⚡ экспресс
Original: "Squeezed superradiant lasing of a quantum many-body emitter"
A new type of laser makes atoms interact to produce light with suppressed quantum noise.
Links in the knowledge graph 1
A regular laser is like a choir singing independently. But if the singers start listening to each other and tuning in, the sound becomes not only louder but also clearer. Physicists have created such a laser: its atoms interact, generating a special light without excess noise. This paves the way for ultra-precise measurements and quantum technologies.
🎯 Squeezed light is used in gravitational wave detectors like LIGO to capture space-time tremors thousands of times smaller than an atom.
\Delta x \Delta p \geq \frac{\hbar}{2}
Heisenberg's uncertainty principle: the more precisely you measure position, the greater the uncertainty in momentum. Squeezed light reduces the uncertainty in one quantity at the cost of increasing another.
Scientists
Christian DopplerD. B. McLaughlinDidier QuelozMichel MayorR. A. RossiterAlbert Einsteinspectroscopy
photometry
speed of light
entropyLaws
second law of thermodynamicsDoppler effectprinciple of constancy of the speed of lightBekenstein-Hawking entropymass–energy equivalenceMaxwell's equations