Zobrazeno 1 - 10
of 154
pro vyhledávání: '"Postava, Kamil"'
Autor:
Koleják, Pierre, Lezier, Geoffrey, Vala, Daniel, Mathmann, Baptiste, Halagačka, Lukáš, Gelnárová, Zuzana, Dusch, Yannick, Lampin, Jean-François, Tiercelin, Nicolas, Postava, Kamil, Vanwolleghem, Mathias
Spintronic Terahertz Emitters (STE) represent a significant advancement in source technology, exploiting the ultrafast demagnetization process of spin-electrons to unveil a 30THz wide, gapless spectrum, accessible through femtosecond lasers across th
Externí odkaz:
http://arxiv.org/abs/2402.05833
Autor:
Hemmat, Minoosh, Ayari, Sabrine, Micica, Martin, Vergnet, Hadrien, Shasha, Guo, Arfaoui, Mehdi, Yu, Xuechao, Vala, Daniel, Wright, Adrien, Postava, Kamil, Mangeney, Juliette, Carosella, Francesca, Jaziri, Sihem, Wang, Qi Jie, Zheng, Liu, Tignon, Jerome, Ferreira, Robson, Baudin, Emmanuel, Dhillon, Sukhdeep
Platinum diselenide (PtSe2) is a promising two-dimensional (2D) material for the terahertz (THz) range as, unlike other transition metal dichalcogenides (TMDs), its bandgap can be uniquely tuned from a semiconductor in the near-infrared to a semimeta
Externí odkaz:
http://arxiv.org/abs/2304.02070
Autor:
Mičica Martin, Wright Adrien, Koleják Pierre, Lezier Geoffrey, Postava Kamil, Hawecker Jacques, De Vetter Anna, Tignon Jerome, Mangeney Juliette, Jaffres Henri, Lebrun Romain, Tiercelin Nicolas, Vanwolleghem Mathias, Dhillon Sukhdeep
Publikováno v:
Nanophotonics, Vol 13, Iss 10, Pp 1899-1907 (2024)
Spintronic terahertz emitters (STEs), based on optical excitation of nanometer thick ferromagnetic/heavy metal (FM/HM) heterojunctions, have become important sources for the generation of terahertz (THz) pulses. However, the efficiency of the optical
Externí odkaz:
https://doaj.org/article/1ff053090225486a8fab675b5be64492
Autor:
Koleják, Pierre, Lezier, Geoffrey, Postava, Kamil, Lampin, Jean-François, Tiercelin, Nicolas, Vanwolleghem, Mathias
Publikováno v:
ACS Photonics (2022)
Polarization control of THz light is of paramount interest for the numerous applications offered in this frequency range. Recent developments in THz spintronic emitters allow for a very efficient broadband emission, and especially unique is their abi
Externí odkaz:
http://arxiv.org/abs/2111.07118
Akademický článek
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Autor:
Chochol, Jan, Postava, Kamil, Čada, Michael, Vanwolleghem, Mathias, Halagačka, Lukáš, Vignaud, Dominique, Lampin, Jean-François, Pištora, Jaromír
Magneto-optical permittivity tensor spectra of undoped InSb, n-doped and p-doped InSb crystals were determined using the terahertz time-domain spectroscopy (THz-TDS) and the Fourier transform far-infrared spectroscopy (far-FTIR). A Huge polar magneto
Externí odkaz:
http://arxiv.org/abs/1609.01158
We present diagonal and off-diagonal elements of the permittivity and conductivity tensor up to the second order in magnetization for cubic crystals. We express all tensor elements as a function of a general sample orientation, for arbitrary magnetiz
Externí odkaz:
http://arxiv.org/abs/1210.5737