2024 Photodetection with active optical antennas

Photodetection with active optical antennas

Author: vpmt

August undefined, 2024

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- 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 ...

Photodetection with Active Optical Antennas - NASA/ADS

WebSep 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 ... 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 … sphct1.6

Enhanced and Selective Photodetection Using Graphene

WebAnalog Photonics is developing disruptive LiDAR and Optical Communications technology built on our proprietary silicon photonics platform to enable a future where people and … 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 … Web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 ... sphc steel yield strength

Silicon-based broadband antenna for high responsivity and

Sci-Hub Photodetection with Active Optical Antennas. Science, …

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 ... sphc ssWebMay 1, 2024 · In this study, hot‐electron‐based GaAs active antenna devices are demonstrated, displaying photoresponses well below the bandgap at the … sphcto

"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 … " - Photodetection with active optical antennas

Photodetection with active optical antennas

Gallium Arsenide‐Based Active Antennas for Optical …

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., … 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 …

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WebSep 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 ... WebKnight, 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

WebMay 5, 2011 · Science – Photodetection with Active Optical Antennas Nanoantennas are key optical components for light harvesting; photodiodes convert light into a current of … WebHere we report a grating-based hot electron device with significantly larger photocurrent responsivity than previously reported antenna-based geometries. The grating geometry …

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 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 …

WebFeb 11, 2014 · We demonstrate the photodetection ability of 3D deep-trench-based active antenna structures, which effectively generate ‘hot’ electron through plasmon decay to …

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 … sphc sus304 溶接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 … sph cuny emailWebJan 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 … sphc sus 強度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 … sph cumminsWebPhotodetection 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 … sph customer service numberWebNanoantennas 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 energetic, “hot” electrons … sphc ss400 単価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 ... sph customer service