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Quantum memory for light

Researchers successfully transfer the quantum state of a light pulse onto a set of atoms, demonstrating quantum memory. The experiment achieved a 70% coincidence rate, which is higher than what can be obtained by measuring the polarization of the photons directly.

SourceMax-Planck-Gesellschaft·JournalNature·DateDec 3, 2004

Physics tip sheet #42

Researchers have developed a technique to improve electromagnetic signal transmission in complex environments using time reversal, which may enhance cell phone communications. Additionally, studying competition dynamics in noisy systems reveals that flexible competitors can increase their prosperity by adjusting their adaptation rate. ...

SourceAmerican Physical Society·JournalPhysical Review Letters·DateMay 24, 2004

Physics tip sheet #9 – April 17, 2002

Researchers have made significant breakthroughs in photon entanglement, attosecond camera technology, and molecular conductivity. Maximally entangled photons can be used for quantum teleportation, while the attosecond camera allows for the observation of electron dynamics within atoms. Additionally, a team has demonstrated controlled s...

SourceAmerican Physical Society·JournalPhysical Review Letters·DateApr 17, 2002