Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Lorenc, Dušan"'
Autor:
Lorenc, Dusan, Volosniev, Artem G., Zhumekenov, Ayan A., Lee, Seungho, Ibáñez, Maria, Bakr, Osman M., Lemeshko, Mikhail, Alpichshev, Zhanybek
Dielectric breakdown of physical vacuum (Schwinger effect) is the textbook demonstration of compatibility of Relativity and Quantum theory. Although, the observation of this effect in its original static formulation is practically unachievable, it ha
Externí odkaz:
http://arxiv.org/abs/2406.05032
Converting a THz signal into the optical domain is of great interest for THz sensing and spectroscopy. Here intense broadband THz pulses with a central frequency of $\Omega$$_{THz}$ are mixed with an optical pump at $\omega$$_p$ and a signal is obser
Externí odkaz:
http://arxiv.org/abs/2405.10733
Lead halide perovskites have recently been reported to demonstrate an exceptionally high nonlinear (Kerr) refractive index n$_2$ of up to 10$^{-8}$ cm$^2$/W in CH$_3$NH$_3$PbBr$_3$. Other researchers however observe different, substantially more cons
Externí odkaz:
http://arxiv.org/abs/2312.04946
Autor:
Lorenc, Dusan, Alpichshev, Zhanybek
It is a basic principle that an effect cannot come before the cause. Dispersive relations that follow from this fundamental fact have proven to be an indispensable tool in physics and engineering. They are most powerful in the domain of linear respon
Externí odkaz:
http://arxiv.org/abs/2308.09216
Autor:
Lorenc, Dusan, Alpichshev, Zhanybek
Publikováno v:
App. Phys. Lett. 123, 091104 (2023)
We propose a simple method to measure nonlinear Kerr refractive index in mid-infrared frequency range that avoids using sophisticated infrared detectors. Our approach is based on using a near-infrared probe beam which interacts with a mid-IR beam via
Externí odkaz:
http://arxiv.org/abs/2306.09043
Autor:
Wei, Yujing, Volosniev, Artem G., Lorenc, Dusan, Zhumekenov, Ayan A., Bakr, Osman M., Lemeshko, Mikhail, Alpichshev, Zhanybek
Publikováno v:
J. Phys. Chem. Lett. 14, 6309 (2023)
A rotating organic cation and a dynamically disordered soft inorganic cage are the hallmark features of hybrid organic-inorganic lead-halide perovskites. Understanding the interplay between these two subsystems is a challenging problem but it is this
Externí odkaz:
http://arxiv.org/abs/2304.14198
Autor:
Volosniev, Artem G., Kumar, Abhishek Shiva, Lorenc, Dusan, Ashourishokri, Younes, Zhumekenov, Ayan A., Bakr, Osman M., Lemeshko, Mikhail, Alpichshev, Zhanybek
Publikováno v:
Phys. Rev. B 107, 125201 (2023)
We use general symmetry-based arguments to construct an effective model suitable for studying optical properties of lead-halide perovskites. To build the model, we identify an atomic-level interaction between electromagnetic fields and the spin degre
Externí odkaz:
http://arxiv.org/abs/2204.04022
Autor:
Volosniev, Artem G., Kumar, Abhishek Shiva, Lorenc, Dusan, Ashourishokri, Younes, Zhumekenov, Ayan A., Bakr, Osman M., Lemeshko, Mikhail, Alpichshev, Zhanybek
Publikováno v:
Phys. Rev. Lett. 130, 106901 (2023)
Lead-halide perovskites enjoy a number of remarkable optoelectronic properties. To explain their origin, it is necessary to study how electromagnetic fields interact with these systems. We address this problem here by studying two classical quantitie
Externí odkaz:
http://arxiv.org/abs/2203.09443
Akademický článek
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Autor:
Noskovičova, Eva, Lorenc, Dušan, Magdolen, Peter, Sigmundová, Ivica, Zahradník, Pavol, Velič, Dušan
Publikováno v:
In Chemical Physics Letters 16 May 2018 700:22-26
