English
Related papers

Related papers: Light-field control of real and virtual charge car…

200 papers

Optical driving of materials has emerged as a versatile tool to control their properties, with photo-induced superconductivity being among the most fascinating examples. In this work, we show that light or lattice vibrations coupled to an…

The high flexibility of organic molecules offers great potential for designing the optical properties of light-active materials for the next generation of optoelectronic and photonic applications. However, despite successful implementations…

Modern light generation technology offers extraordinary capabilities for sculpting light pulses, with full control over individual electric field oscillations within each laser cycle. These capabilities are at the core of lightwave…

Optics · Physics 2020-11-25 Á. Jiménez-Galán , R. E. F. Silva , O. Smirnova , M. Ivanov

Efficient transport and harvesting of excitation energy under low light conditions is an important process in nature and quantum technologies alike. Here we formulate a quantum optics perspective to excitation energy transport in…

Quantum Physics · Physics 2024-03-06 Raphael Holzinger , Jonah Peter , Stefan Ostermann , Helmut Ritsch , Susanne Yelin

The laser excitation of an ion crystal to high lying and long-lived electronic states is a genuine many-body process even if in fact only a single ion is excited. This is a direct manifestation of the strong coupling between internal and…

Atomic Physics · Physics 2012-01-16 Weibin Li , Igor Lesanovsky

The equilibration of electronic carriers in metals after excitation by an ultra-short laser pulse provides an important class of non-equilibrium phenomena in metals and allows measuring the effective electron-phonon coupling parameter.…

Materials Science · Physics 2022-10-06 Peter Kratzer , Laurenz Rettig , Irina Yu. Sklyadneva , Evgueni V. Chulkov , Uwe Bovensiepen

Evolution of the nonequilibrium carriers excited in the process of decay of surface plasmon polaritons in metal is described for each step, from the carrier generation to their extraction from the metal. The relative importance of various…

Optics · Physics 2020-10-22 Jacob B Khurgin

The theoretical and experimental study of energy transfer in photosynthesis has revealed an interesting transport regime, which lies at the borderline between classical transport dynamics and quantum-mechanical interference effects.…

Biological Physics · Physics 2014-02-13 Tobias Kramer , Christoph Kreisbeck

Exploring nonequilibrium hot carriers from plasmonic metal nanostructures is a dynamic field in optoelectronics, driving photochemical reactions such as solar fuel generation. The hot carrier injection mechanism and the reaction rate are…

We applied low temperature diffraction limited confocal optical microscopy to spatially resolve, and spectroscopically study photoluminescence from single self-assembled semiconductor quantum dots. Using selective wavelength imaging we…

Strongly Correlated Electrons · Physics 2009-10-31 E. Dekel , D. Gershoni , E. Ehrenfreund , J. M. Garcia , P. M. Petroff

When a high electron mobility transistor is illuminated, the absorbed photons excite electron-hole pairs. The generated pairs are separated by the built in field in such a way that the electrons end up in the quantum well generating a…

Applied Physics · Physics 2019-03-25 Yury Turkulets , Ilan Shalish

The temporal dynamics of charge carriers determines the speed with which electronics can be realized in condensed matter, and their direct manipulation with optical fields promises electronic processing at unprecedented petahertz…

An electron mobility enhancement is the very important phenomenon of an electron in the electronic device, where the high electronic device performance has the good electron mobility, which is obtained by the overall electron drift velocity…

Optics · Physics 2016-12-13 N. Pornsuwancharoen , P. Youplao , I. S. Amiri , J. Ali , P. Yupapin

We analyze electronically excited nuclear wave functions and their coherence when subjecting a molecule to the action of natural, pulsed incoherent solar-like light, and to that of ultrashort coherent light assumed to have the same center…

Quantum Physics · Physics 2015-06-12 Alex C. Han , Moshe Shapiro , Paul Brumer

The capture of photoexcited deep-band hot carriers, excited by photons with energies far above the bandgap, is of significant importance for photovoltaic and photoelectronic applications since it is directly related to the quantum…

Materials Science · Physics 2021-03-18 Jin Zhang , Hao Hong , Jincan Zhang , Chunchun Wu , Hailin Peng , Kaihui Liu , Sheng Meng

Two-dimensional transition metal dichalcogenides (TMDCs) are promising materials for next-generation optoelectronic devices, yet their implementation is hindered by limited sample stability and challenges in forming reliable electrical…

Photo-excitation in solids can trigger a cascade in which multiple particle-hole excitations are generated. We analyze the carrier multiplication cascade of impact excitation processes in graphene and show that the number of pair…

Mesoscale and Nanoscale Physics · Physics 2013-04-24 Justin C. W. Song , Klaas J. Tielrooij , Frank H. L. Koppens , Leonid S. Levitov

A physically transparent unified theory of optically and plasmon induced hot carrier generation in metals is developed with all the relevant mechanisms included. Analytical expressions that estimate the carrier generation rates, their…

Optics · Physics 2019-06-19 Jacob B Khurgin

Transport of charge carriers can be controlled by doping through chemical and physical means. Unlike chemical doping, physical doping is carried out by a special technique through gate voltages in a field-effect transistor geometry. This…

Superconductivity · Physics 2007-05-23 M. P. Das , F. Green

We review theoretical foundations and some recent progress related to the quest of controlling the motion of charge carriers with intense laser pulses and optical waveforms. The tools and techniques of attosecond science enable detailed…

Mesoscale and Nanoscale Physics · Physics 2017-03-10 Vladislav S. Yakovlev , Stanislav Yu. Kruchinin , Tim Paasch-Colberg , Mark I. Stockman , Ferenc Krausz
‹ Prev 1 4 5 6 7 8 10 Next ›