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| Author |
Pile, David |
| Title |
How many bits can a photon carry |
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Journal Article |
| Year |
2012 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
6 |
Issue |
1 |
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14-15 |
| Keywords |
fromIPMRAS |
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Quantum physics offers a way to enhance the amount of information a photon can carry, with potential applications in optical communication, lithography, metrology and imaging. |
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View from... OSA Frontiers in Optics 2011: How many bits can a photon carry? |
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RPLAB @ gujma @ |
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780 |
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Zhu, J.; Christensen, J.; Jung, J.; Martin-Moreno, L.; Yin, X.; Fok, L.; Zhang, X.; Garcia-Vidal, F. J. |
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A holey-structured metamaterial for acoustic deep-subwavelength imaging |
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Journal Article |
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2011 |
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Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
7 |
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1 |
Pages |
52-55 |
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fromIPMRAS |
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For classical waves such as light or sound, diffraction sets a natural limit on how finely the details of an object can be recorded on its image. Recently, various optical superlenses based on the metamaterials concept have shown the possibility of overcoming the diffraction limit. Similar two-dimensional (2D) acoustic hyperlens designs have also been explored. Here we demonstrate a 3D holey-structured metamaterial that achieves acoustic imaging down to a feature size of λ/50. The evanescent field components of a subwavelength object are efficiently transmitted through the structure as a result of their strong coupling with Fabry-Pérot resonances inside the holey plate. This capability of acoustic imaging at a very deep-subwavelength scale may open the door for a broad range of applications, including medical ultrasonography, underwater sonar and ultrasonic non-destructive evaluation. |
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RPLAB @ gujma @ |
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809 |
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Xu, XinAn; Wong, Chee Wei |
| Title |
Quantum optics: Correlations on a chip |
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Journal Article |
| Year |
2012 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
6 |
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75-76 |
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fromIPMRAS |
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Researchers have developed a semiconductor structure capable of supporting quantum correlations between photons and strong single-photon nonlinearities, thus paving the way for the development of chip-based devices for quantum secure communications and quantum information processing. |
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RPLAB @ gujma @ |
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782 |
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Akalin, Tahsin |
| Title |
Terahertz sources: Powerful photomixers |
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Journal Article |
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2012 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
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6 |
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2 |
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81 |
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An efficient continuous-wave source of terahertz radiation that combines the outputs from two near-infrared semiconductor lasers in a novel photomixer looks set to benefit applications in spectroscopy and imaging. |
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RPLAB @ gujma @ |
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787 |
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Lu, Chao-Yang; Zhou, Xiao-Qi; Gühne, Otfried; Gao, Wei-Bo; Zhang, Jin; Yuan, Zhen-Sheng; Goebel, Alexander; Yang, Tao; Pan, Jian-Wei |
| Title |
Experimental entanglement of six photons in graph states |
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Journal Article |
| Year |
2007 |
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Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
3 |
Issue |
2 |
Pages |
91-95 |
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fromIPMRAS |
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Graph states-multipartite entangled states that can be represented by mathematical graphs-are important resources for quantum computation, quantum error correction, studies of multiparticle entanglement and fundamental tests of non-locality and decoherence. Here, we demonstrate the experimental entanglement of six photons and engineering of multiqubit graph states. We have created two important examples of graph states, a six-photon Greenberger-Horne-Zeilinger state, the largest photonic Schrödinger cat so far, and a six-photon cluster state, a state-of-the-art `one-way quantum computer'. With small modifications, our method allows us, in principle, to create various further graph states, and therefore could open the way to experimental tests of, for example, quantum algorithms or loss- and fault-tolerant one-way quantum computation. |
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RPLAB @ gujma @ |
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796 |
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