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| Author |
Kosako, Terukazu; Kadoya, Yutaka; Hofmann, Holger F. |
| Title |
Directional control of light by a nano-optical Yagi–Uda antenna |
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Journal Article |
| Year |
2010 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
4 |
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312 - 315 |
| Keywords |
optical antennas |
| Abstract |
The plasmon resonance of metal nanoparticles can direct light from optical emitters in much the same way that radiofrequency antennas direct the emission from electrical circuits. Recently, rapid progress has been made in the realization of single-element antennas for optical waves. Because most of these devices are designed to optimize the local near-field coupling between the antenna and an emitter, the possibility of modifying the spatial radiation pattern has not yet received as much attention. In the radiofrequency regime, a typical antenna design for high directivity is the Yagi–Uda antenna, which essentially consists of a one-dimensional array of antenna elements driven by a single feed element. By fabricating a corresponding array of nanoparticles, similar radiation patterns can be obtained in the optical regime. Here, we present the experimental demonstration of directional control of radiation from a nano-optical Yagi–Uda antenna composed of appropriately tuned gold nanorods. |
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RPLAB @ gujma @ |
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747 |
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Fazal, Furqan M.; Block, Steven M. |
| Title |
Optical tweezers study life under tension |
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Journal Article |
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2011 |
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Nature Photonics |
Abbreviated Journal |
Nat. Photon. |
| Volume |
5 |
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6 |
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318-321 |
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fromIPMRAS |
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Optical tweezers have become one of the primary weapons in the arsenal of biophysicists, and have revolutionized the new field of single-molecule biophysics. Today's techniques allow high-resolution experiments on biological macromolecules that were mere pipe dreams only a decade ago. |
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776 |
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| Author |
Wu, Ming C. |
| Title |
Optoelectronic tweezers |
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Journal Article |
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2011 |
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Nature Photonics |
Abbreviated Journal |
Nature Photon |
| Volume |
5 |
Issue |
6 |
Pages |
322-324 |
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fromIPMRAS |
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Using projected light patterns to form virtual electrodes on a photosensitive substrate, optoelectronic tweezers are able to grab and move micro- and nanoscale objects at will, facilitating applications far beyond biology and colloidal science. |
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775 |
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Takesue, Hiroki; Nam, Sae Woo; Zhang, Qiang; Hadfield, Robert H.; Honjo, Toshimori; Tamaki, Kiyoshi; Yamamoto, Yoshihisa |
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Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors |
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2007 |
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Nature Photonics |
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Nat. Photon. |
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1 |
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343-348 |
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quantum cryptography, SSPD, QKD, DSP |
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RPLAB @ akorneev @ |
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609 |
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Schwarz, Brent |
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Lidar: Mapping the world in 3D |
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Journal Article |
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2010 |
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Nature Photonics |
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Nat. Photon. |
| Volume |
4 |
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7 |
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429-430 |
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LIDAR |
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A high-definition LIDAR system with a rotating sensor head containing 64 semiconductor lasers allows the efficient generation of 3D environment maps at unprecedented levels of detail. |
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