Quantum teleportation is essential for many quantum information technologies, including long-distance quantum networks. Using fiber-coupled devices, including state-of-the-art low-noise superconducting nanowire single-photon detectors and off-the-shelf optics, scientists from Fermilab, Caltech, ATT, NASA’s Jet Propulsion Laboratory, the University of Calgary, and Harvard University have demonstrated sustained, long-distance (44 km of fiber) …
Read More »Reversal Optical Waves
An international team of experimental physicists from the University of Queensland and Nokia Bell Labs has generated time reversed optical waves with a device capable of independently controlling all of light’s classical degrees of freedom simultaneously. Mounaix et al. develop a new technique to demonstrate the time reversal of optical …
Read More »Transport of Stored Light
Controlled manipulation, storage, and retrieval of quantum information are essential for quantum communication and computing. Quantum memories for light, realized with cold atomic samples as the storage medium, are prominent for their high storage efficiencies and lifetime. A team of experimental physicists from the Johannes Gutenberg-Universität Mainz and Beihang University …
Read More »Physicists Demonstrate Existence of Tetraneutron
An Iowa State University-led team of physicists has demonstrated the quasi-stable existence of a tetraneutron, a subatomic structure once thought unlikely to exist. Tetra-neutron system produced in double-charge exchange reaction 4He(8He,8Be). Image credit: Susumu Shimoura / University of Tokyo. On their own, neutrons are very unstable and will convert into …
Read More »Physicists Demonstrate Existence of Two States of Liquid Water
There are two states of liquid water, says an international team of physicists led by Oxford University’s Dr. Laura Maestro. L.M. Maestro et al find that two states of liquid water play an important role in the thermal and optical properties of nanomedical systems; the team’s preliminary findings also suggest …
Read More »Scientists Demonstrate that Diets of Organisms Can Affect Their DNA
In a study on eukaryotic and bacterial parasites, a duo of researchers at the University of Oxford has detected differences in DNA sequences that could be attributed to the composition of their food. Trypanosoma cruzi, a parasite of the order Kinetoplastida. Image credit: Myron Schultz / CDC. “Organisms construct their …
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