Photodetection with active optical antennas

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August undefined, 2024

WebMar 27, 2013 · This new type of Schottky photodetector enables a unique direct conversion of light captured by the antenna into an electrical signal: the tunability of the … 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 ...

Photodetection with Active Optical Nanoantennas

WebJan 28, 2024 · Synchronously wired infrared antennas for resonant single-quantum-well photodetection up to room temperature Nat Commun. 2024 Jan 28 ... Optical patch antennas sandwiching dielectrics between metal layers have been used as deep subwavelength building blocks of metasurfaces for perfect absorbers and thermal … WebPhotodetection with Active Optical Antennas. Nanoantennas are key optical components for light harvesting; photodiodes convert light into a current of electrons for … citichurch gold coast

Photodetection with Active Optical Antennas Semantic Scholar

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 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 … WebOptical antennas have in recent years become a back-bone of optics at subwavelength scales. Due to localized surface plasmon resonances arising from the collective motion of free electrons in metals, optical antennas have become useful for sensing, photodetection, heat transfer, and emission enhancement schemes [1–5]. More re- WebMultiple 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 … diaphragmatic hiccups

Enhancing the graphene photocurrent using surface plasmons and …

A carbon nanotube optical rectenna Nature Nanotechnology

WebThis 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 … WebSci-Hub Photodetection with Active Optical Antennas. Science, 332 (6030), 702–704 10.1126/science.1203056. . sci. hub. to open science. ↓ save. Knight, M. W., Sobhani, H., … citic hotel boracayWebFeb 6, 2014 · Photodetection by Hot Electrons or Hot Holes: A Comparable Study on Physics and Performances. ... Nonlinear Photon-Assisted Tunneling Transport in Optical Gap Antennas. Nano Letters 2014, 14 (5) , 2330-2338. DOI: 10.1021/nl404707t. ... Active coherent control of nanoscale light confinement: Modulation of plasmonic modes and … diaphragmatic indentation

"WebAssistant Staff. MIT Lincoln Laboratory. Oct 2016 - May 20244 years 8 months. Lexington, MA. >> Mechanical engineer at Lincoln Space Surveillance Complex. >> Lead mechanical … " - Photodetection with active optical antennas

Photodetection with active optical antennas

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WebJul 20, 2024 · Plasmonic antenna coupling to hyperbolic phonon-polaritons for sensitive and fast mid-infrared photodetection with graphene 25 September 2024 Sebastián Castilla, Ioannis Vangelidis, … WebJan 26, 2024 · We report the fabrication of a colloidal quantum dot based photodetector designed for the 3–5 μm mid infrared wavelength range incorporated with optical nano-antenna arrays to enhance the photocurrent. The fabricated arrays exhibit a resonant behavior dependent on the length of the nano-antenna rods, in good agreement with …

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WebMay 1, 2011 · Photodetection with active optical antennas. Knight MW, Sobhani H, Nordlander P, Halas NJ. Author information. Affiliations. All authors. 1. Department of Electrical and Computer Engineering, Rice University, Houston, TX 77005, USA. ... Nanoantennas are key optical components for light harvesting; photodiodes convert light … WebJan 26, 2024 · The decidedly retro Antennas Direct DB8e 8-Element Bowtie Antenna is very powerful. It features two panels (each with four elements and a reflector) that you can …

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 … WebMay 6, 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 · Using a deep-trench/thin metal (DTTM) active antenna, a metallic plasmonic structure, high photoresponsivities are achieved under zero bias at wavelengths of 1310 … 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 …

WebMay 6, 2011 · Optical antennas are key elements in the conversion of light from free space to ultrasmall, nanometer-scale volumes. The intense light-focusing properties of these structures are due to surface plasmons, oscillations of free electrons in metals that …

WebA plasmonic device possessing the DTTM active antenna structure for photodetection well below the semiconductor band edge. (a) Energy band diagram for plasmonically driven ‘hot’ electrons over ... citichurch cebuWebSep 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 ... citichurch onlineWebJan 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 citicic luoyang heavy machinery co. ltdWebNov 1, 2024 · Optical nano-antennas (ONAs) are designed for enhancing light-harvesting efficiency in wireless transmission of optical energy and/or signals, which are of great interests in photodetection or solar energy conversion, particularly in micro-/nanoscale systems such as micro-/nanorobots, implantable sensors, and nanoelectromechanical … diaphragmatic inflammationWebApr 4, 2024 · 1 Introduction. Photodetectors that convert incident light in the ultraviolet, visible and/or infrared spectral regions into electrical signals are important optoelectronic devices that have drawn intensive attention in the past few decades [1-3] for numerous applications such as imaging, [4-6] optical communications, [7-9] and scientific … diaphragmatic injury ctWebMay 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 … citic indexWebSep 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 ... citic inmotion