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Articles by Thomas Lettau
Strong field spectroscopy of many-body interactions in solids
Abstract High-order harmonic generation (HHG) in solids offers a promising route to compact ultrafast sources of quantum light, but its efficiency and coherence are limited by ultrafast dephasing of laser-driven electron–hole polarization. Although widely described by a phenomenological coherence time, the microscopic origin of this dephasing has remained unresolved.
Austria
Market Intelligence Published October 2023 Lexology GTDT: Market Intelligence provides a unique perspective on evolving legal and regulatory landscapes in major jurisdictions around the world. Through engaging, easily comparable interviews, the series provides the legal profession's thought leaders with a platform for sharing their views on current market conditions and developments in the law.
Nonlinear All‐Optical Coherent Generation and Read‐Out of Valleys in Atomically Thin Semiconductors
Sample Fabrication and Characterization WSe2 monolayer samples were prepared by mechanical exfoliation from a bulk crystal (HQGraphene) using an adhesive tape (Nitto) and deposited on a fused silica substrate. Monolayer regions were identified by optical microscopy and confirmed by micro-photoluminescence spectroscopy.
An interview with bpv Hügel Rechtsanwälte GmbH discussing M&A in Austria
This article is an extract from GTDT Market Intelligence M&A 2022. Click here for the full guide. 1 What trends are you seeing in overall activity levels for mergers and acquisitions in your jurisdiction during the past year or so?
Two-particle tight-binding description of higher-harmonic generation in semiconductor nanostructures
Abstract We develop a quantum mechanical theory to describe the optical response of semiconductor nanostructures with a particular emphasis on higher-order harmonic generation. Based on a tight-binding approach we take all two-particle correlations into account thus describing the creation, evolution, and annihilation of electrons and holes. In the limiting case of bulk materials, we obtain the same precision as that achieved by solving the well-established semiconductor Bloch equations.
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