Photodetection with active optical antennas

Author: osib

August undefined, 2024

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. … 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 …

Densely Arrayed Active Antennas Embedded in Vertical

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 … 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 … impark seton calgary

Narrowband photodetection in the near-infrared with a plasmon …

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- WebAssistant Staff. MIT Lincoln Laboratory. Oct 2016 - May 20244 years 8 months. Lexington, MA. >> Mechanical engineer at Lincoln Space Surveillance Complex. >> Lead mechanical … 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 … listwanite rough

Photodetection with active optical antennas. - Europe PMC

Photodetection with Active Optical Antennas - NASA/ADS

WebOptical antennas consisting of plasmonic materials provide extreme light localization and small mode volumes, thereby boosting the sensitivity and signal- to-noise ratio in applications ranging from single photon sources to photodetection. Optical antennas can also be employed to efficiently control and manipulate light on the nanometer scale ... 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 ... list walker exhaust pipe reducersWebHere we report a grating-based hot electron device with significantly larger photocurrent responsivity than previously reported antenna-based geometries. The grating geometry … listwa reflektorowa loris chrom e14 reality

"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 " - Photodetection with active optical antennas

Photodetection with active optical antennas

Optical Antennas – Photonics Laboratory ETH Zurich

WebPhotodetection 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 … WebAnalog Photonics is developing disruptive LiDAR and Optical Communications technology built on our proprietary silicon photonics platform to enable a future where people and …

Did you know?

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 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 … WebFeb 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 …

WebGlauber started from the quantum theory of light detection by considering the process of photoionization in which a photodetector is triggered by an ionizing absorption of 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., …

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 ...

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 … impark south street halifaxWebMay 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 … impark stock priceWebA 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 ... listwa festoolWebNov 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 … impark south streetWebSep 22, 2015 · Circularly polarized light (CPL) is utilized in various optical techniques and devices, ranging from quantum computation 1,2,3 and spin optical communication 4 to circular dichroism (CD ... listwa led na baterieWebKnight, M. W., Sobhani, H., Nordlander, P., & Halas, N. J. (2011). Photodetection with Active Optical Antennas. Science, 332(6030), 702–704. doi:10.1126/science.1203056 impark sudbury craWeb本論文旨在設計出可在室溫下操作的矽基(Silicon-based)熱載子式紅外光偵測器，同時也可作為熱載子種類之檢測平台。本論文中以超薄氧化鋅作為傳導電流的通道，以超薄摻鎵氧化鋅作為電極，並以銀作為收光材料。矽基光偵測器因結構簡單而備受關注，但若入射光子的能量小於矽的能隙，將無法貢獻 ... impark towing