| Records |
| Author |
Buchanan, Mark |
| Title |
Body of evidence |
Type |
Manuscript |
| Year |
2010 |
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Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
6 |
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no |
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RPLAB @ gujma @ |
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837 |
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| Author |
Buchanan, Mark |
| Title |
Nothing's impossible |
Type |
Manuscript |
| Year |
2011 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
7 |
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Pages |
5 |
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fromIPMRAS |
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no |
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RPLAB @ gujma @ |
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839 |
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| Author |
Vishveshwara, Smitha |
| Title |
Topological qubits: A bit of both |
Type |
Journal Article |
| Year |
2011 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
7 |
Issue |
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Pages |
450–451 |
| Keywords |
fromIPMRAS |
| Abstract |
'Standard' qubits have been implemented in diverse physical systems. Now, so-called topological qubits are coming into the limelight, and could potentially be used for decoherence-free quantum computing. Coupling these two types of qubit might enable devices that exploit the virtues of both. |
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no |
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RPLAB @ gujma @ |
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825 |
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| Author |
Shor, Peter W. |
| Title |
Quantum information theory: The bits don't add up |
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Journal Article |
| Year |
2009 |
Publication |
Nature Physics |
Abbreviated Journal |
Nat. Phys. |
| Volume |
5 |
Issue |
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Pages |
247 - 248 |
| Keywords |
fromIPMRAS |
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A counterexample to the 'additivity question', the most celebrated open problem in the mathematical theory of quantum information, casts doubt on the possibility of finding a simple expression for the information capacity of a quantum channel. |
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no |
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RPLAB @ gujma @ |
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800 |
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| Author |
Tang, Liang; Kocabas, Sukru Ekin; Latif, Salman; Okyay, Ali K.; Ly-Gagnon, Dany-Sebastien; Saraswat, Krishna C.; Miller, David A. B. |
| Title |
Nanometre-scale germanium photodetector enhanced by a near-infrared dipole antenna |
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Journal Article |
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2008 |
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Nature Photonics |
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2 |
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226-229 |
| Keywords |
optical antennas |
| Abstract |
A critical challenge for the convergence of optics and electronics is that the micrometre scale of optics is significantly larger than the nanometre scale of modern electronic devices. In the conversion from photons to electrons by photodetectors, this size incompatibility often leads to substantial penalties in power dissipation, area, latency and noise. A photodetector can be made smaller by using a subwavelength active region; however, this can result in very low responsivity because of the diffraction limit of the light. Here we exploit the idea of a half-wave Hertz dipole antenna (length approx 380 nm) from radio waves, but at near-infrared wavelengths (length approx 1.3 microm), to concentrate radiation into a nanometre-scale germanium photodetector. This gives a polarization contrast of a factor of 20 in the resulting photocurrent in the subwavelength germanium element, which has an active volume of 0.00072 microm3, a size that is two orders of magnitude smaller than previously demonstrated detectors at such wavelengths. |
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858 |
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