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Photodetection with active optical antennas

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 … 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 - Wikipedia

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 … WebApr 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 … knight owl security https://gftcourses.com

Narrowband photodetection in the near-infrared with a plasmon …

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. … 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 … 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 ... knight ox9

Densely Arrayed Active Antennas Embedded in Vertical

Category:Plasmonic Enhanced Optoelectronic Devices SpringerLink

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Photodetection with active optical antennas

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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 6, 2011 · We fabricated a Si Schottky photodiode that consists of an active area of 300 nm in diameter and a surface plasmon antenna to generate the carrier within the active …

Photodetection with active optical antennas

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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 … 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

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

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 … 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 ...

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 ...

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 … red cliff early childhood centerWebOptical 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 ... knight owl security camera websiteWebSci-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., … knight owl children\u0027s book