Photodetection with active optical antennas
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 … 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 ...
Photodetection with active optical antennas
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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 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 …
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, 2024 · In this study, hot‐electron‐based GaAs active antenna devices are demonstrated, displaying photoresponses well below the bandgap at the …
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 ... 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 …
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 …
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 … dupli color cherry red pearlWebMay 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 … dupli color flat black spray paintWebGlauber 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 … duplicolor clear bed linerWebJan 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 duplicolor clear truck bed linerWebFeb 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 ... cryptids picsWebMay 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 … cryptids pinsWebJul 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, … cryptids podcast