Photodetection with active optical antennas
WebJan 30, 2016 · Knight MW, Sobhani H, Nordlander P, Halas NJ (2011) Photodetection with active optical antennas. Science 332:702–704. Article CAS Google Scholar Fang Z, Liu Z, Wang Y, Ajayan PM, Nordlander P, Halas NJ (2012) Graphene-antenna sandwich photodetector. Nano Lett 12:3808 WebMay 1, 2011 · Abstract. Nanoantennas are key optical components for light harvesting; photodiodes convert light into a current of electrons for photodetection. We show that these two distinct, independent functions can be combined into the same structure. Photons coupled into a metallic nanoantenna excite resonant plasmons, which decay into …
Photodetection with active optical antennas
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WebMay 6, 2011 · Science. An active optical antenna-diode combines the functions of light-harvesting and excited-electron injection. Nanoantennas are key optical components for … WebJan 9, 2024 · To further improve the photoresponsivities of active optical antenna-based devices, Lin et al. proposed a concept of using an embedded trench-like (ETL) antenna-based device for photodetection in ...
WebJun 15, 2024 · [5] Knight M W, Sobhani H, Nordlander P and Halas N J 2011 Photodetection with active optical antennas Science 332 702–4. Crossref Google Scholar [6] Knight M W, Wang Y, Urban A S, Sobhani A, Zheng B Y, Nordlander P and Halas N J 2013 Embedding plasmonic nanostructure diodes enhances hot electron emission Nano Lett. 13 1687–92. … WebSep 28, 2015 · In contrast to recent reports of photodetection based on hot electron decay in a plasmonic nanoscale antenna 7,8, a coherent optical antenna field appears to be rectified directly in our devices ...
WebMay 5, 2024 · Using a deep-trench/thin metal (DTTM) active antenna, a metallic plasmonic structure, high photoresponsivities are achieved under zero bias at wavelengths of 1310 … WebFeb 1, 2011 · Optical antennas, analogues of microwave and radiowave antennas, are a new concept in physical optics 1. They are an enabling technology for manipulating and controlling optical radiation at ...
WebMay 1, 2011 · Nanoantennas are key optical components for light harvesting; photodiodes convert light into a current of electrons for photodetection. We show that these two …
WebMay 5, 2024 · Although gallium arsenide (GaAs) is one of the most commonly used semiconductor substrate materials, its intrinsic bandgap of 1.42 eV hinders the use of GaAs photodetectors for optical communication. In this study, hot-electron-based GaAs active antenna devices are demonstrated, displaying photoresponses well below the bandgap at … opalite wholesaleWebPhotodetection with Active Optical Antennas Mark W. Knight, 1,2Heidar Sobhani, Peter Nordlander,1,2,3 Naomi J. Halas1,2,3* Nanoantennas are key optical components for light … opalithplättchen rotWebMultiple layered plasmonics use electronically responsive media to change and manipulate the plasmonic properties of plasmons.The properties typically being manipulated can include the directed scattering of light and light absorption. The use of these to use “changeable” plasmonics is currently undergoing development in the academic … opalite roughopal ivyWebSep 17, 2024 · Photodetection with Active Optical Antennas. Article. Full-text available. May 2011; SCIENCE; Mark W. Knight; Heidar Sobhani; ... Taking advantage of these ETL-based active antennas, we obtained ... opalized ammonite fossil ageWebHere we report a grating-based hot electron device with significantly larger photocurrent responsivity than previously reported antenna-based geometries. The grating geometry … iowa earthquake 2022WebThis paper investigates a 220 GHz quasi-optical antenna for millimeter-wave wireless power transmission. The quasi-optical antenna consists of an offset dual reflector, and fed by a … iowa earthquake 2023