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Author |
Home, Jonathan |
Title |
Quantum entanglement: Watching correlations disappear |
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Journal Article |
Year |
2010 |
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Nature Physics |
Abbreviated Journal |
Nat. Phys. |
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6 |
Issue |
12 |
Pages |
938-939 |
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fromIPMRAS |
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Engineered decoherence enables tracking of multipartite entanglement as a quantum state decays. |
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RPLAB @ gujma @ |
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832 |
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Author |
Saffman, Mark |
Title |
Quantum computing: A quantum telecom link |
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Journal Article |
Year |
2010 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
Volume |
6 |
Issue |
11 |
Pages |
838-839 |
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fromIPMRAS |
Abstract |
Converting data-carrying photons to telecommunication wavelengths enables distribution of quantum information over long distances. |
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RPLAB @ gujma @ |
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833 |
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Author |
Raussendorf, Robert |
Title |
Quantum computing: Shaking up ground states |
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Journal Article |
Year |
2010 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
Volume |
6 |
Issue |
11 |
Pages |
840-841 |
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fromIPMRAS |
Abstract |
Measurement-based quantum computation with an Affleck-Kennedy-Lieb-Tasaki state is experimentally realized for the first time. |
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RPLAB @ gujma @ |
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834 |
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Author |
Buchanan, Mark |
Title |
Body of evidence |
Type |
Manuscript |
Year |
2010 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
Volume |
6 |
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fromIPMRAS |
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RPLAB @ gujma @ |
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837 |
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Author |
Hoeffgen, S.K.; Kuhnhenn, J.; Weinand, U. |
Title |
High radiation sensitivity of chiral long period gratings |
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Journal Article |
Year |
2010 |
Publication |
IEEE Trans. Nucl. Sci. |
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57 |
Issue |
5 |
Pages |
2915 - 2922 |
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chiral fiber gratings, chiral gratings, chiral LPG, from chiralphotonics |
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The radiation sensitivity of chiral long period gratings was investigated for the first time. After a Co-60 gamma dose of 100 kGy they show radiation-induced changes of their transmission dip wavelength of up to 10 nm, which is 100 to 1000 times higher than the radiation-induced wavelength shift of different fiber Bragg grating types. They can therefore be used as radiation sensors down to doses of 10 Gy or even below, but not for accurate dose measurements since the size of the wavelength shift after a certain dose still depends on the radiation dose rate. Chiral gratings made of eight single mode fiber types with differences of their radiation-induced attenuation of several orders of magnitude were investigated in order to look for a correlation between dip wavelength shift and fiber attenuation. However, the dip wavelength curves do not show exactly the same order as the fiber attenuation curves. A theory that can exactly predict all properties of the chiral gratings might enable us to specify from our results an optimized fiber for the production of gratings that can also be used for radiation dosimetry. |
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848 |
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Author |
Doerr, C.R.; Zhang, C.; Winzer, P.J. |
Title |
Monolithic InP multi-wavelength coherent receiver |
Type |
Conference Article |
Year |
2010 |
Publication |
Conference on optical fiber communication, collocated national fiber optic engineers conference |
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Conf. OFC/NFOEC |
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1-3 |
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InP balanced detector, waveguide grating, polarization splitter, from chiralphotonics |
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We propose and demonstrate a novel four-channel monolithic polarization-diversity dual-quadrature coherent receiver with balanced detection in InP. It uses an interleave-chirped arrayed waveguide grating that acts simultaneously as a demultiplexer, 90° hybrid, and polarization splitter. |
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851 |
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Lee, B. G.; Doany, F. E.; Assefa, S.; Green, W.; Yang, M.; Schow, C. L.; Jahnes, C. V.; Zhang, S.; Singer, J.; Kopp, V. I.; Kash, J. A.; Vlasov, Y. A. |
Title |
20-μm-pitch eight-channel monolithic fiber array coupling 160 Gb/s/channel to silicon nanophotonic chip |
Type |
Conference Article |
Year |
2010 |
Publication |
Conf. OFC/NFOEC |
Abbreviated Journal |
Conf. OFC/NFOEC |
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1-3 |
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spot size converters, SSC, optical waveguides, optical fiber waveguides, ultra-dense silicon waveguide arrays, silicon waveguides, waveguide arrays, from chiralphotonics |
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A multichannel tapered coupler interfacing standard 250-μm-pitch low-NA polarization-maintaining fiber arrays with ultra-dense 20-μm-pitch high-NA silicon waveguides is designed, fabricated, and tested, demonstrating coupling losses below 1 dB and injection bandwidths of 160 Gb/s/channel. |
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Conference on optical fiber communication, collocated national fiber optic engineers conference |
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852 |
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Author |
Churikov, Victor M.; Kopp, Victor I.; Genack, Azriel Z. |
Title |
Chiral diffraction gratings in twisted microstructured fibers |
Type |
Journal Article |
Year |
2010 |
Publication |
Optics Letters |
Abbreviated Journal |
Opt. Lett. |
Volume |
35 |
Issue |
3 |
Pages |
342-344 |
Keywords |
chiral diffracion gratings, optical fiber gratings, from chiralphotonics |
Abstract |
We observed dips in transmission spectra of uniformly twisted pure-silica microstructured fibers. The spectral positions of the dips and their insensitivity to the surrounding medium are consistent with Bragg diffraction from the helical structure. The reproducibility of the variation of the dip wavelength with temperature up to 1000°C makes the chiral diffraction grating suitable for high-temperature sensing. |
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853 |
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Kataoka, T; Kajikawa, K.; Kitagawa, J.; Kadoya, Y; Takemura, Y. |
Title |
Improved sensitivity of terahertz detection by GaAs photoconductive antennas excited at 1560 nm |
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Journal Article |
Year |
2010 |
Publication |
Appl. Phys. Lett. |
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Appl. Phys. Lett. |
Volume |
97 |
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Pages |
201110 (1-3) |
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photoconductive antenna (PCA) |
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The terahertz detection by photoconductive antennas (PCAs) based on low-temperature grown (LTG) GaAs with 1.5 μm pulse excitation was revisited. We found that the detection efficiency can be improved by a factor of 10 (20 dB) by reducing the excitation spot size and the gap length of the PCA, maintaining the low noise feature of the PCA on LTG GaAs. As a result, the signal-to-noise ratio higher than 50 dB was obtained at a reasonable incident power of 9.5 mW, suggesting that the scheme is promising for the detection of terahertz waves in practical time domain systems. |
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904 |
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Author |
Diana Prado Lopes Aude |
Title |
Modeling superconductors using surface impedance technique |
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Book Whole |
Year |
2010 |
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MIT |
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MIT |
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homogeneous isotropic BCS superconductor complex conductivity superconductor surface impedance |
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938 |
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