Optical-field-induced current in dielectrics
WebI0 is the corresponding peak intensity of the optical pulse. Data from our model have been multiplied by the effective crosssection, Aeff , of the metal–dielectric interfaces confining the active volume of the dielectric (main text). - "Optical-field-induced current in dielectrics" WebJan 3, 2013 · A few-cycle optical waveform reversibly increases--free from breakdown--the a.c. conductivity of amorphous silicon dioxide (fused silica) by more than 18 orders of …
Optical-field-induced current in dielectrics
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WebWe demonstrate theoretically that when well-below-the-bandgap femtosecond optical pulses propagate through a dielectric or semiconductor, DC current and charges are … WebNov 30, 2015 · The electric current has been switched in diamond by a dual-laser field with an attosecond pulse train and a femtosecond laser, respectively serving to excite and drive electrons. The optical-induced current is simulated by the developed method based on the time-dependent density functional theory.
WebOct 26, 2024 · Dielectric polarization is the term given to describe the behavior of a material when an external electric field is applied on it. A simple picture can be made using a capacitor as an example. Figure shows an example of a dielectric material in between two conducting parallel plates. The charges in the material will have a response to the ... WebFeb 3, 2016 · We propose a theory of optically-induced currents in dielectrics and wide-gap semiconductors exposed to a non-resonant ultrashort laser pulse with a stabilized carrier …
WebMar 20, 2014 · DOI: 10.1038/nature13077 Corpus ID: 4453698; Addendum: Optical-field-induced current in dielectrics @article{Schiffrin2014AddendumOC, title={Addendum: Optical-field-induced current in dielectrics}, author={Agustin Schiffrin and Tim Paasch‐Colberg and Nicholas Karpowicz and Vadym M. Apalkov and Daniel Gerster and … http://fulltext.calis.edu.cn/nature/nature/493/7430/nature11567.pdf
WebFeb 28, 2024 · This Special Issue aims to highlight the recent progress in the field of optical nanomaterials-based bio/chemical sensors, categorised by materials such as plasmonics, dielectrics and semiconductors, metamaterials, metasurfaces, 2D materials, hybrid nanoparticles, quantum dots, and nanopores. We invite the submission of papers, relevant …
WebLaser-Induced Ultrafast Currents in Dielectrics Enhanced by Iridium Nanoparticles We investigate the possibilities of enhancement of CEP dependent currents in dielectrics. We observed an order of magnitude enhancement of current yield by regulating the concentration of iridium nanoparticles in Al2O3 composite systems. cityside business parkWebWe demonstrate theoretically that when -belowwell-the-bandgap femtosecond optical pulses propagate through a dielectric or semiconductor, DC current and charges are produced even though no real carriers are excited in the bands. cityside brighton maWebThe conductivity of a dielectric is reversibly increased by several orders of magnitude on a femtosecond timescale by exploiting the instantaneous electric field of intense few-cycle near-infrared laser pulses leading to measurable ultrafast electric currents. © 2013 Optical Society of America PDF Article More Like This cityside by alexa bloomingtonWebFeb 3, 2016 · Investigating a theoretical model of the optical-field-induced current in dielectrics driven by strong few-cycle laser pulses, we propose an asymmetric conducting of the current by forming a heterojunction made of two distinct dielectrics with a low hole mass (m_{h}^{*}≪m_{e}^{*}) and low electron mass (m_{e}^{*}≪m_{h}^{*}), respectively. cityside churchWebDec 20, 2012 · A team of physicists at the Max Planck Institute have shown that ultrashort light pulses of extremely high intensity can induce electric currents in otherwise insulating dielectric materials, turning fused silica (quartz) from an insulator to a conductor and back again within quadrillionths of a second. doubledividendstocks.comWebField-effect transistors1–3,5,6 are able to control currents at frequencies of the order of or higher than 100gigahertz, but electric interconnects may hamper progress... double divas showWebThe conductivity of a dielectric is reversibly increased by several orders of magnitude on a femtosecond timescale by exploiting the instantaneous electric field of intense few-cycle … cityside by e and s