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We propose a novel method to control the frequency of semiconductor lasers. The new technique allows fabricating three-terminal lasers with fast frequency tuning and the possibility to implement intrinsically the linearization of laser…

Applied Physics · Physics 2025-01-07 B. Laikhtman , G. Belenky , S. Suchalkin

Electrodynamical processes induced in complex systems like semiconductors by strong electromagnetic fields, have traditionally/conventionally been described using semi-classical approaches. Although these approaches, allowed the…

Inserting molecular monolayers within metal / semiconductor interfaces provides one of the most powerful expressions of how minute chemical modifications can affect electronic devices. This topic also has direct importance for technology as…

Materials Science · Physics 2017-03-17 Ayelet Vilan , David Cahen

A new perspective on how to manipulate molecules by means of very strong laser pulses is emerging with insights from the so-called light-induced potentials, which are the adiabatic potential energy surfaces of molecules severely distorted…

Chemical Physics · Physics 2016-03-03 Bo Y. Chang , Ignacio R. Sola , Seokmin Shin

The Stark effect provides a powerful method to shift the spectra of molecules, atoms and electronic transitions in general, becoming one of the simplest and most straightforward way to tune the frequency of quantum emitters by means of a…

We investigate the nuclear Stark effect induced in hydrogen-like atomic nuclei under super-intense laser fields. Since laser wavelengths are generally larger than nuclear dimensions, direct laser-nucleus interaction is unfeasible. Instead,…

Nuclear Theory · Physics 2025-02-19 Ali Raza Mirza , Rizwan Abbas , Atif Shahbaz

While experiments with one or two quantum emitters have become routine in various laboratories, scalable platforms for efficient optical coupling of many quantum systems remain elusive. To address this issue, we report on chip-based systems…

Conical intersections are crossing points or lines between two or more adiabatic electronic potential energy surfaces in the multi-dimensional coordinate space of colliding atoms and molecules. Conical intersections and corresponding…

Atomic Physics · Physics 2023-04-19 Hui Li , Ming Li , Alexander Petrov , Eite Tiesinga , Svetlana Kotochigova

The direct interaction of super-intense laser fields in the optical frequency domain with nuclei is studied. As main observable, we consider the nuclear AC-Stark shift of low-lying nuclear states due to the off-resonant excitation by the…

Nuclear Theory · Physics 2009-11-11 Thomas J. Buervenich , Joerg Evers , Christoph H. Keitel

Electron transfer (ET) at molecule-metal or molecule-semiconductor interfaces is a fundamental reaction that underlies all electro-chemical and molecular electronic processes as well as substrate-mediated surface photochemistry. In this…

Chemical Physics · Physics 2023-06-21 Yu Wang , Wenjie Dou

Laser-based preparation, manipulation, and readout of the states of quantum particles has become a powerful research tool that has enabled the most precise measurements of time, fundamental constants, and electromagnetic fields. Laser…

Quantum Physics · Physics 2018-12-12 O. Schwartz , J. J. Axelrod , S. L. Campbell , C. Turnbaugh , R. M. Glaeser , H. Müller

A laser pulse, several meV red-detuned from the excitonic line of a quantum well, has been shown to induce an almost instantaneous and rigid shift of the lower and upper polariton branches. Here we demonstrate that through this shift,…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Emiliano Cancellieri , Alex Hayat , Aephraim Steinberg , Elisabeth Giacobino , Alberto Bramati

Energy and charge transfer across metal-semiconductor interfaces are the fundamental driving forces for a broad range of applications, such as computing, energy harvesting, and photodetection. However, the exact roles and physical…

Understanding how a spin current flows across metal-semiconductor interfaces at pico- and femtosecond timescales has implications for ultrafast spintronics, data processing and storage applications. However, the possibility to directly…

An improved quantum trajectory Monte Carlo method involving the Stark shift of the initial state, Coulomb potential, and multielectron polarization-induced dipole potential is used to revisit the origin of the low-energy interference…

Atomic Physics · Physics 2021-05-12 Weifeng Yang , Jie Li , Wenbin Jia , Hongdan Zhang , Xiwang Liu , Ming Zhu , Xiaohong Song , Jing Chen

Resonant transfer of energy between excited states in a system of two semiconductor quantum dots is studied theoretically. The model Hamiltonian has been formulated, which allowed describe the impact on the dynamics of the resonant laser…

Mesoscale and Nanoscale Physics · Physics 2013-06-03 P. A. Golovinski

Manipulation of quantum systems is the basis for many promising quantum technologies. However, how quantum mechanical principles can be used to manipulate the dynamics of quantum dissipative systems remains unanswered because of strong…

Mesoscale and Nanoscale Physics · Physics 2019-02-27 Nguyen Thanh Phuc , Akihito Ishizaki

Nonlinear interactions between ultrashort optical waveforms and solids can be used to induce and steer electric current on a femtosecond (fs) timescale, holding promise for electronic signal processing at PHz frequencies [Nature 493, 70…

Metal/semiconductor interfaces govern the operation of semiconductor devices through the formation of charge injection barriers that can be controlled by tuning the metal work function. However, the controlling ability is typically limited…

Materials Science · Physics 2014-01-14 Ryo Nouchi , Masanori Shigeno , Nao Yamada , Tomoaki Nishino , Katsumi Tanigaki , Masahiko Yamaguchi

We demonstrate how dynamic Stark control (DSC) can be achieved on molecular photodissociation in the dipole limit, using single-cycle (FWHM) laser pulses in the terahertz (THz) regime. As the laser-molecule interaction follows the…

Chemical Physics · Physics 2020-03-25 A. Tóth , A. Csehi , G. J. Halász , Á. Vibók
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