Výsledky vyhledávání - "Jacek Kasprzak"

Akademický článek

Destructive Photon Echo Formation in Six‐Wave Mixing Signals of a MoSe2 Monolayer

Autor: Thilo Hahn, Diana Vaclavkova, Miroslav Bartos, Karol Nogajewski, Marek Potemski, Kenji Watanabe, Takashi Taniguchi, Paweł Machnikowski, Tilmann Kuhn, Jacek Kasprzak, Daniel Wigger

Publikováno v: Advanced Science, Vol 9, Iss 1, Pp n/a-n/a (2022)

Abstract Monolayers of transition metal dichalcogenides display a strong excitonic optical response. Additionally encapsulating the monolayer with hexagonal boron nitride allows to reach the limit of a purely homogeneously broadened exciton system. O

Externí odkaz: https://doaj.org/article/bd0f3d7a2e244f60a7974403afe14736

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Akademický článek

Influence of local fields on the dynamics of four-wave mixing signals from 2D semiconductor systems

Autor: Thilo Hahn, Jacek Kasprzak, Paweł Machnikowski, Tilmann Kuhn, Daniel Wigger

Publikováno v: New Journal of Physics, Vol 23, Iss 2, p 023036 (2021)

In recent years the physics of two-dimensional semiconductors was revived by the discovery of the class of transition metal dichalcogenides. In these systems excitons dominate the optical response in the visible range and open many perspectives for n

Externí odkaz: https://doaj.org/article/ffdc56b4216f4eef9f1fadc249cf8165

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Coherent imaging and dynamics of excitons in MoSe2 monolayers epitaxially grown on hexagonal boron nitride

Autor: Karolina Ewa Połczyńska, Simon Le Denmat, Takashi Taniguchi, Kenji Watanabe, Marek Potemski, Piotr Kossacki, Wojciech Pacuski, Jacek Kasprzak

Publikováno v: Nanoscale. 15:6941-6946

Using four-wave mixing microscopy, we measure the coherent response and ultrafast dynamics of excitons and trions in MoSe$_2$ monolayers grown by molecular beam epitaxy on thin films of hexagonal boron nitride. We assess inhomogeneous and homogeneous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::81984b103a65c3d0194030c87b233597
https://doi.org/10.1039/d2nr04844b

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Controlled Coherent Coupling in a Quantum Dot Molecule Revealed by Ultrafast Four-Wave Mixing Spectroscopy

Semiconductor quantum dot molecules are considered as promising candidates for quantum technological applications due to their wide tunability of optical properties and coverage of different energy scales associated with charge and spin physics. Whil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae5eab6ae8bcbae74d11c5241b7f7b96
http://arxiv.org/abs/2304.10148

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Coherent Dynamics of a Single Mn-Doped Quantum Dot Revealed by Four-Wave Mixing Spectroscopy

Autor: Jacek Kasprzak, Daniel Wigger, Thilo Hahn, Tomasz Jakubczyk, Łukasz Zinkiewicz, Paweł Machnikowski, Tilmann Kuhn, Jean-François Motte, Wojciech Pacuski

Publikováno v: ACS Photonics. 9:1033-1041

For future quantum technologies the combination of a long quantum state lifetime and an efficient interface with external optical excitation are required. In solids, the former is for example achieved by individual spins, while the latter is found in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ffb4b49272300c51a25a174f05dc6833
https://doi.org/10.1021/acsphotonics.1c01981

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Controlled coherent-coupling and dynamics of exciton complexes in a MoSe2 monolayer

Autor: Aleksander Rodek, Thilo Hahn, James Howarth, Takashi Taniguchi, Kenji Watanabe, Marek Potemski, Piotr Kossacki, Daniel Wigger, Jacek Kasprzak

Publikováno v: 2D Materials. 10:025027

Quantifying and controlling the coherent dynamics and couplings of optically active excitations in solids is of paramount importance in fundamental research in condensed matter optics and for their prospective optoelectronic applications in quantum t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2389b9275fd03e2152cb5ff77faa11d6
https://doi.org/10.1088/2053-1583/acc59a

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Quantum dot molecule devices with optical control of charge status and electronic control of coupling

Autor: Frederik Bopp, Jonathan Rojas, Natalia Revenga, Hubert Riedl, Friedrich Sbresny, Katarina Boos, Tobias Simmet, Arash Ahmadi, David Gershoni, Jacek Kasprzak, Arne Ludwig, Stephan Reitzenstein, Andreas Wieck, Dirk Reuter, Kai Müller, Jonathan J. Finley

Tunnel-coupled pairs of optically active quantum dots - quantum dot molecules (QDMs) - offer the possibility to combine excellent optical properties such as strong light-matter coupling with two-spin singlet-triplet ($S-T_0$) qubits having extended c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46324261f0d5d77b1cc8b76d2f965ba9

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Destructive photon echo formation in six-wave mixing signals of a MoSe$_2$ monolayer

Autor: Takashi Taniguchi, Tilmann Kuhn, Kenji Watanabe, Miroslav Bartos, Diana Vaclavkova, Paweł Machnikowski, Karol Nogajewski, Thilo Hahn, Marek Potemski, Jacek Kasprzak, Daniel Wigger

Publikováno v: Advanced Science
Advanced Science, Wiley Open Access, 2022, 9 (1), pp.2103813. ⟨10.1002/advs.202103813⟩
Advanced Science, Vol 9, Iss 1, Pp n/a-n/a (2022)
Advanced Science, Wiley Open Access, 2021, pp.2103813
Advanced Science. 2022, vol. 9, issue 1, p. 1-13.

Monolayers of transition metal dichalcogenides display a strong excitonic optical response. Additionally encapsulating the monolayer with hexagonal boron nitride allows to reach the limit of a purely homogeneously broadened exciton system. On such a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::593a57e60f73567ae8396fae2d3cf7ea
http://arxiv.org/abs/2110.02633

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