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pro vyhledávání: '"Lammers, Christian"'
Autor:
Stein, Markus, Lammers, Christian, Springer, Phillip, Richter, Philipp-Henrik, Koch, Stephan W., Kira, Mackillo, Koch, Martin
Publikováno v:
Phys. Rev. B 95, 155207 (2017)
Optical pump-THz probe spectroscopy is used to investigate the exciton formation dynamics and its intensity dependence in bulk Ge. Associated with the intra-excitonic 1s-2p transition, the gradual build-up of an absorption peak around 3.1 meV (0.75 T
Externí odkaz:
http://arxiv.org/abs/1611.06117
Autor:
Lammers, Christian, Stein, Markus, Berger, Christian, Möller, Christoph, Fuchs, Christian, Perez, Antje Ruiz, Rahimi-Iman, Arash, Hader, Jörg, Moloney, Jerome, Stolz, Wolfgang, Koch, Stephan W., Koch, Martin
Using optical pump-white light probe spectroscopy the gain dynamics is investigated for a VECSEL chip which is based on a type-II heterostructure. The active region the chip consists of a GaAs/(GaIn)As/Ga(AsSb)/(GaIn)As/GaAs multiple quantum well. Fo
Externí odkaz:
http://arxiv.org/abs/1608.05250
In the year 1947 the three physicists John Bardeen, William Bradford Shockley and Walter Houser Brattain connected two metal wires to a germanium platelet. Doing so, they were able to change the conductivity of the p-conducting zone by changing the e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18a73994e5a50bcb3756449516f28608
Autor:
Dietz, Roman, Brahm, Anika, Velauthapillai, Ajanth, Wilms, Annika, Lammers, Christian, Globisch, Bernd, Koch, Martin, Notni, Gunther, Tünnermann, Andreas, Göbel, Thorsten, Schell, Martin
We investigate properties of MBE grown photoconductive terahertz (THz) antennas based on the InGaAs/InAlAs/InP material system aimed for an excitation wavelength of approx. 1060 nm. Therefore, we analyze several different approaches concerning growth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______610::1851f89a541e849c8d570e759c05ee90
https://publica.fraunhofer.de/handle/publica/239089
https://publica.fraunhofer.de/handle/publica/239089
Akademický článek
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Autor:
Lammers, Christian, Stein, Markus, Fey, Melanie, Moller, Christoph, Fuchs, Christian, Perez, Antje Ruiz, Berger, Christian, Rahimi-Iman, Arash, Hader, Jorg, Moloney, Jerome V., Koch, Stephan W., Stolz, Wolfgang, Koch, Martin
Publikováno v:
2016 Conference on Lasers & Electro-Optics (CLEO); 2016, p1-2, 2p
