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University of Innsbruck News
Quantum Entanglement Sent Over 50 Km of Optical Fiber
INNSBRUCK, Austria, Aug. 30, 2019 — A team from the University of Innsbruck and the Institute of Quantum Optics and Quantum Information of the Austrian Academy of Sciences has achieved what could be a record for the transfer of quantum entanglement between matter (a trapped ion) and light (a photon). The team sent quantum information over a distance of 50 km using fiber optic cables. “This is two orders of magnitude further than was previously possible and is a practical distance to start building intercity quantum
New Sensor Measures Light Particles Nondestructively
INNSBRUCK, Austria, May 8, 2019 — Researchers at the University of Innsbruck have demonstrated a method for measuring visible light particles nondestructively. The method could be used to investigate the quantum properties of light. The team placed an ionized calcium atom between...
New Red Phosphor Could Make LEDs More Energy-Efficient
INNSBRUCK, Austria, May 2, 2019 — A team at the University of Innsbruck, in cooperation with OSRAM Opto Semiconductors, has synthesized a new high-performing red phosphor for LEDs that could make LED lighting more energy-efficient. The new phosphor, called SALON by the researchers,...
Optical fibers may transport quantum information
INNSBRUCK, Austria – Optical fibers, which transport data around the world, now may be able to carry quantum information, according to new research. Rainer Blatt and Tracy Northup of the University of Innsbruck have directly transferred the quantum information stored in...
Optical Fibers May Transport Quantum Information
INNSBRUCK, Austria, Feb. 4, 2013 — Optical fibers, which transport data around the world, now may be able to carry quantum information, according to new research out of Austria.
Theoretical calculation proposes using heat to power QCLs
INNSBRUCK, Austria – Heat generated in a quantum cascade laser (QCL) – something that normally causes the lasing to turn off – could actually be used to power the device instead, according to a theoretical calculation developed at the University of...
Cirac, Zoller Share 2013 Wolf Prize in Physics
GARCHING, Germany, and INNSBRUCK, Austria, Jan. 10, 2013 — Theoretical physicists Ignacio Cirac and Peter Zoller are among eight scientists named recipients of the 2013 Wolf Prize from the Wolf Foundation in Israel.
Theorists Propose Using Heat to Power QCLs
INNSBRUCK, Austria, Nov. 14, 2012 — What if you could use the heat generated in a quantum cascade laser — something that normally causes the lasing to turn off — to power the device instead?
German Society Awards Physics Medal
Jun 1, 2012 — Rainer Blatt has received the Stern-Gerlach Medal of the German Physical Society for his work in the fields of metrology and quantum information processing with electromagnetically stored ions. He is the first Austrian scientist to receive the...
Efficient and Tunable Entanglement Method Developed
INNSBRUCK, Austria, May 25 — To construct a viable quantum network, individual computers will need a way to reliably transmit information to each other. This will require an understanding of how light and matter interact at a quantum level, an understanding that is now much...
German Society Awards Top Physics Medal to Blatt
INNSBRUCK, Austria, March 28, 2012 — Rainer Blatt has received the Stern-Gerlach Medal from the German Physical Society for his work in the fields of metrology and quantum information processing with electromagnetically stored ions. He is the first Austrian scientist to receive this...
Universal digital simulator holds promise for quantum computers
INNSBRUCK, Austria – A new digital approach enables universal quantum simulation in a system of trapped ions that can in principle simulate any physical system efficiently, allowing researchers to explore the dynamics of quantum computers. Previously, quantum...
Topological Properties Protect Quantum Memory, Computing
INNSBRUCK, Austria, Oct. 12, 2011 — Theoretical physicists have formulated a new concept for engineering so-called topological states of matter in quantum mechanical many-body systems. They linked concepts of quantum optics and condensed matter physics that eventually could lead to a...
Universal Digital Quantum Simulation Realized
INNSBRUCK, Austria, Sept. 2, 2011 — Using a digital approach instead of the previous analog approach, physicists have successfully achieved universal quantum simulation in a system of trapped ions that can, in principle, simulate any physical system efficiently. The mathematical...
Lasers Pin Atoms in Order
INNSBRUCK, Austria, July 29, 2010 — A fundamental physical phenomena, whereby an arbitrarily weak perturbation causes atoms to build an organized structure from an initially unorganized one, has been demonstrated for the first time. Physicists can observe quantum mechanical phase...
Physicists Confirm Born’s Rule
INNSBRUCK, Austria & WATERLOO, Ontario, Canada, July 22, 2010 — Using a single-photon source, Austrian and Canadian quantum physicists said they ruled out the existence of higher-order interferences experimentally and confirmed an axiom in quantum physics: Born’s rule.
Great balls of magnetism!
Jul 1, 2010 — You’ve no doubt heard of ball lightning – perhaps even experienced it firsthand. But although the phenomenon has been known for millennia, it happens infrequently enough that there have always been doubts about its validity. Physicists...
Single-Atom Laser Realized
INNSBRUCK, Austria, March 31, 2010 — Researchers in Austria have successfully realized a single-atom laser, an important step toward a fundamental understanding of laser operation in the few-atom limit, including syst...
Finding Life in Martian Ice
PASADENA, Calif., Nov. 11, 2009 – Doctors with the Kinohi Institute and the University of Innsbruck in Austria devised an imaging technique to detect bacteria in frozen Antarctic lakes, with the ultimate goal of using the technology to identify microbial life in the extreme...
Five-Photon Entanglement Could Benefit Quantum Communications
Aug 1, 2004 — Emerging strategies for distributed quantum information processing will require some type of teleportation protocol. One option is open-destination teleportation, where an unknown quantum state of a single particle is teleported onto a superposition...
Exploiting the Weird Quantum Behavior of Atoms
Jun 18, 2004 — GAITHERSBURG, Md., June 18 -- Physicists at the Commerce Department’s National Institute of Standards and Technology (NIST) have demonstrated "teleportation" by transferring key properties of one atom to another atom without using any physical link....
(21 results found)
April 2024
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