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Mineev, Vladimir P. |
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Title  |
Superfluid helium: Order in disorder |
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2012 |
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Nature Physics |
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Nat. Phys. |
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8 |
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253–254 |
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fromIPMRAS |
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Confining liquid 3He in porous silica aerogel prepared with strong anisotropy stabilizes a state of axial superfluidity. |
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RPLAB @ gujma @ |
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810 |
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Author |
Paiella, Roberto |
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Title |
Terahertz quantum cascade lasers: Going ultrafast |
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Journal Article |
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2011 |
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Nature Photonics |
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Nat. Photon. |
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5 |
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253–255 |
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fromIPMRAS |
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A new asynchronous coherent optical sampling method allows for the direct visualization of actively mode-locked quantum cascade laser pulses at terahertz wavelengths. |
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RPLAB @ gujma @ |
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774 |
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Author |
Akalin, Tahsin |
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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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fromIPMRAS |
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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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Vishveshwara, Smitha |
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Title |
Topological qubits: A bit of both |
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Journal Article |
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2011 |
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Nature Physics |
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Nat. Phys. |
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7 |
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450–451 |
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'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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RPLAB @ gujma @ |
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825 |
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Pris, Andrew D.; Utturkar, Yogen; Surman, Cheryl; Morris, William G.; Vert, Alexey; Zalyubovskiy, Sergiy; Deng, Tao; Ghiradella, Helen T.; Potyrailo, Radislav A. |
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Title |
Towards high-speed imaging of infrared photons with bio-inspired nanoarchitectures |
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Journal Article |
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2012 |
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Nature Photonics |
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Nat. Photon. |
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6 |
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3 |
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195-200 |
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fromIPMRAS |
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Existing infrared detectors rely on complex microfabrication and thermal management methods. Here, we report an attractive platform of low-thermal-mass resonators inspired by the architectures of iridescent Morpho butterfly scales. In these resonators, the optical cavity is modulated by its thermal expansion and refractive index change, resulting in `wavelength conversion' of mid-wave infrared (3-8 µm) radiation into visible iridescence changes. By doping Morpho butterfly scales with single-walled carbon nanotubes, we achieved mid-wave infrared detection with 18-62 mK noise-equivalent temperature difference and 35-40 Hz heat-sink-free response speed. The nanoscale pitch and the extremely small thermal mass of individual `pixels' promise significant improvements over existing detectors. Computational analysis explains the origin of this thermal response and guides future conceptually new bio-inspired thermal imaging sensor designs. |
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RPLAB @ gujma @ |
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785 |
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