Zobrazeno 1 - 10
of 381
pro vyhledávání: '"Semiconductor Bloch equations"'
Autor:
Parks, Andrew
The semiconductor Bloch equations (SBEs) are an insightful and well-established formalism for studying light-matter interactions in solids. When Coulomb interactions between electrons are omitted, the SBEs are simplified to a single particle model. T
Externí odkaz:
http://hdl.handle.net/10393/44307
A systematic study of microscopic many-body dynamics is used to analyze a strategy for how to generate ultrashort mode locked pulses in the vertical external-cavity surface-emitting lasers with a saturable absorber mirror. The field propagation is si
Externí odkaz:
http://hdl.handle.net/10150/625513
http://arizona.openrepository.com/arizona/handle/10150/625513
http://arizona.openrepository.com/arizona/handle/10150/625513
Publikováno v:
Optical Review. 28:342-348
In this letter, the high-order harmonic generation (HHG) of wurtzitic and hexagonal boron nitride (h-BN) under ultrafast intense laser field was studied by solving an extended multiband semiconductor Bloch equations (SBEs). The results showed that fo
Autor:
Kuhn, Eduard
In dieser Dissertation werden verschiedene Methoden zur Simulation der Dynamik der optischen Moden einer Fabry-Pérot-Laserdiode diskutiert. Experimentell lässt sich hierbei der Effekt des Modenrollens oder Modenhüpfens beobachten. Hier sind zu ein
Publikováno v:
Physical Review A. 104
We theoretically investigate the ellipticity dependence of high-order harmonic generation in graphene driven by the midinfrared laser field. The ellipticity dependence of the harmonic yield in the experiment [N. Yoshikawa, T. Tamaya, and K. Tanaka, S
Publikováno v:
Physical Review A. 104
We investigate the orientation dependence of high-order harmonic generation (HHG) in graphene by solving the semiconductor Bloch equations. The tight-binding approximation including up to the third-nearest-neighbor atoms is used to model the graphene
Autor:
Gan Wang, Tao-Yuan Du
Publikováno v:
Physical Review A. 103
For the high-order harmonic generation (HHG) from solids, the dephasing process induced by many-body interactions has been discussed extensively in the studies of using the semiconductor Bloch equations (SBEs). However, the role of dephasing in solid
Autor:
Willem Boutu, A. Hamdou, Viktoria Nefedova, Francisco Navarrete, Nicolas Tancogne-Dejean, Uwe Thumm, Patrick Georges, Gaëtan Jargot, Dominik Franz, Shatha Kaassamani, Hamed Merdji, Sven Fröhlich, Rana Nicolas, Marc Hanna, Marcelo F. Ciappina, D. Gauthier
Publikováno v:
Applied Physics Letters
Applied Physics Letters, 2021, 118 (20), pp.201103. ⟨10.1063/5.0047421⟩
Applied Physics Letters, American Institute of Physics, 2021, 118 (20), pp.201103. ⟨10.1063/5.0047421⟩
Applied Physics Letters, 2021, 118 (20), pp.201103. ⟨10.1063/5.0047421⟩
Applied Physics Letters, American Institute of Physics, 2021, 118 (20), pp.201103. ⟨10.1063/5.0047421⟩
International audience; High-order harmonic generation (HHG) from crystals is emerging as a new ultrashort source of coherent extreme ultraviolet (XUV) light. Doping the crystal structure can offer a new way to control the source properties. Here, we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6f86ce7819be8e57b9b3b0c76d3c826
https://hdl.handle.net/21.11116/0000-0008-A166-F21.11116/0000-0008-A168-D21.11116/0000-0008-A169-C
https://hdl.handle.net/21.11116/0000-0008-A166-F21.11116/0000-0008-A168-D21.11116/0000-0008-A169-C
Autor:
Christoph Lienau, David Cahen, Alexander Steinhoff, Daniel Timmer, Antonietta De Sio, Frank Jahnke, Yevgeny Rakita, Xuan Trung Nguyen
Publikováno v:
The Journal of Physical Chemistry Letters. 10:5414-5421
Halide perovskites are promising optoelectronic materials. Despite impressive device performance, especially in photovoltaics, the femtosecond dynamics of elementary optical excitations and their interactions are still debated. Here we combine ultraf
Publikováno v:
Physical Review B. 103
In order to realize the significant potential of optical materials such as metal halides, computational techniques which give accurate optical properties are needed, which can work hand-in-hand with experiments to generate high efficiency devices. In