The use of a specially designed cavity to enhance the intensity of femtosecond ultraviolet pulses dramatically increases the rate at which non-classical states of light can be produced.
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Quantum optics - Wikipedia, the free encyclopedia Quantum optics is a field of research in physics, dealing with the application of quantum mechanics to phenomena involving light and its interactions with matter.
George Sudarshan - Wikipedia, the free encyclopedia Ennackal Chandy George Sudarshan (born 16 September 1931), also E.C.G. Sudarshan, is a prominent Indian American physicist, author, and professor at The University of Texas at ...
History of optics - Wikipedia, the free encyclopedia Optics began with the development of lenses by the ancient Egyptians and Mesopotamians, followed by theories on light and vision developed by ancient Greek and Indian ...
Quantum theory - Wikipedia, the free encyclopedia Quantum theory may mean: In science: Quantum mechanics: a subset of quantum physics explaining the physical behaviours at atomic and sub-atomic levels
Wolfgang Ketterle - Wikipedia, the free encyclopedia Wolfgang Ketterle (born 21 October 1957) is a German physicist and professor of physics at the Massachusetts Institute of Technology (MIT). His research has focused on ...
Photonics - Wikipedia, the free encyclopedia The science of photonics includes the generation, emission, transmission, modulation, signal processing, switching, amplification, detection and sensing of light.
John C. Baez - Wikipedia, the free encyclopedia John Carlos Baez (born June 12, 1961) is an American mathematical physicist and a professor of mathematics at the University of California, Riverside (UCR) in Riverside, California
optics: Definition from Answers.com optics n. (used with a sing. verb) The branch of physics that deals with light and vision, chiefly the generation, propagation, and detection of
proton: Definition from Answers.com proton ( ) n. ( Abbr. p ) A stable, positively charged subatomic particle in the baryon family having a mass 1,836 times that of the electron
black body: Definition from Answers.com black body In meteorology , a body reflecting no electromagnetic radiation. Black body radiation is the theoretical maximum amount of radiant energy
Time travel: Definition from Answers.com time travel This staple of science fiction is sometimes argued to harbour a contradiction. If the time traveller goes back to an earlier time, then he
physics: Definition from Answers.com physics n. (used with a sing. verb) The science of matter and energy and of interactions between the two, grouped in traditional fields such as
Speed Limit on the Quantum Highway Physicists at the Max Planck Institute of Quantum Optics have measured the propagation velocity of quantum signals in a many-body system. A quantum computer based on quantum particles instead of classical bits, can in principle outperform any classical computer.
Speed limit on the quantum highway: Physicists measure propagation velocity of quantum signals in a many-body system A quantum computer based on quantum particles instead of classical bits, can in principle outperform any classical computer. However, it still remains an open question, how fast and how efficient quantum computers really may be able to work. A critical limitation will be given by the velocity with which a quantum signal can spread within a processing unit. For the first time, a group of ...
With single laser pulses on single molecules Physicists at MPQ succeed in resolving the internal dynamics of individual molecules using UV femtosecond laser pulses Nowadays, large laser systems provide ultra-short light pulses of very high intensity which in principle allow the imaging of matter and its dynamics on atomic scales, down to a single molecule or a virus.
Forget transparent aluminum: researchers make iron invisible to X-rays Transparency is generally a property of a material's density or crystal structure, and varies depending on the wavelength of light. However, transparency can also be achieved by exploiting quantum interference between energy level transitions in atoms. Up until now, such transparency has been confined to optical wavelengths, due to the typical energies of atomic transitions. Transitioning ...
Leading Exoplanet Hunters Awarded Science Prize Winners are the astronomers behind La Silla’s world-leading HARPS instrument World-renowned Swiss astronomers Michel Mayor and Didier Queloz of the Geneva Observatory have been awarded the 2011 BBVA Foundation Frontiers of Knowledge Award in Basic Sciences for their work on exoplanets. The foundation recognized their groundbreaking efforts in developing “new astronomical instruments and ...
Quantum mechanics enables perfectly secure cloud computing Researchers have succeeded in combining the power of quantum computing with the security of quantum cryptography and have shown that perfectly secure cloud computing can be achieved using the principles of quantum mechanics. They have performed an experimental demonstration of quantum computation in which the input, the data processing, and the output remain unknown to the quantum computer. The ...
Perfectly secure cloud computing possible thanks to quantum physics As numerous companies continue their push to get us to entrust our data to the cloud, there are many still justifiably concerned about the security of cloud computing-based services. Now an international team of scientists have demonstrated that perfectly secure cloud computing is possible by combining the power of quantum computing with the security of quantum cryptography. They carried out ...