Photodetection with active optical antennas
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 … 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 …
Photodetection with active optical antennas
Did you know?
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 … 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 …
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 · 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 …
WebHere we report a grating-based hot electron device with significantly larger photocurrent responsivity than previously reported antenna-based geometries. The grating geometry … 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
WebSep 28, 2024 · Broadband near-infrared (NIR) luminescent materials have been continuously pursued as promising candidates for optoelectronic devices crucial for wide applications in night vision, environment monitoring, biological imaging, etc. Here, graded GexSi1−x (x = 0.1–0.3) alloys are grown on micro-hole patterned Si(001) substrates. Barn-like islands …
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 … five basic skills in playing basketballWebOptical 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 ... five basic principles of communicationWebMay 6, 2011 · Science. An active optical antenna-diode combines the functions of light-harvesting and excited-electron injection. Nanoantennas are key optical components for … five basic principles of coachingWebJan 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 … canine eyelid massWebMay 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 … five basic sources of lawWebApr 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 … canine eye specialist in savannah gaWebAnalog Photonics is developing disruptive LiDAR and Optical Communications technology built on our proprietary silicon photonics platform to enable a future where people and … canine eye specialist