Zobrazeno 1 - 10
of 1 672
pro vyhledávání: '"Bayer M"'
Autor:
Evers, E., Kopteva, N. E., Nedelea, V., Kors, A., Kaur, R., Reithmaier, J. P., Benyoucef, M., Bayer, M., Greilich, A.
We report measurements of the longitudinal and transverse spin relaxation times of holes in an ensemble of self-assembled InAs/InAlGaAs quantum dots (QDs), emitting in the telecom spectral range. The spin coherence of a single carrier is determined u
Externí odkaz:
http://arxiv.org/abs/2311.03047
Crystals spontaneously break the continuous translation symmetry in space, despite the invariance of the underlying energy function. This has triggered suggestions of time crystals analogously lifting translational invariance in time. Originally sugg
Externí odkaz:
http://arxiv.org/abs/2303.15989
Autor:
Harkort, C., Kudlacik, D., Kopteva, N. E., Yakovlev, D. R., Karzel, M., Kirstein, E., Hordiichuk, O., Kovalenko, M., Bayer, M.
The class of Ruddlesden-Popper type (PEA)$_2$PbI$_4$ perovskites comprises two-dimensional (2D) structures whose optical properties are determined by excitons with a large binding energy of about 260 meV. It complements the family of other 2D semicon
Externí odkaz:
http://arxiv.org/abs/2302.02349
Autor:
Grisard, S., Trifonov, A. V., Rose, H., Reichhardt, R., Reichelt, M., Schneider, C., Kamp, M., Höfling, S., Bayer, M., Meier, T., Akimov, I. A.
Coherent control of ensembles of light emitters by means of multi-wave mixing processes is key for the realization of high capacity optical quantum memories and information processing devices. In this context, semiconductor quantum dots placed in opt
Externí odkaz:
http://arxiv.org/abs/2302.02480
Autor:
Kopteva, N. E., Yakovlev, D. R., Kirstein, E., Zhukov, E. A., Kudlacik, D., Kalitukha, I. V., Sapega, V. F., Dirin, D. N., Kovalenko, M. V., Baumann, A., Höcker, J., Dyakonov, V., Crooker, S. A., Bayer, M.
The photovoltaic and optoelectronic properties of lead halide perovskite semiconductors are controlled by excitons, so that investigation of their fundamental properties is of critical importance. The exciton Land\'e or g-factor g_X is the key parame
Externí odkaz:
http://arxiv.org/abs/2301.12775
Autor:
Kirstein, E., Smirnov, D. S., Zhukov, E. A., Yakovlev, D. R., Kopteva, N. E., Dirin, D. N., Hordiichuk, O., Kovalenko, M. V., Bayer, M.
Coherent many-body states are highly promising for robust and scalable quantum information processing. While far-reaching theoretical predictions have been made for various implementations, direct experimental evidence of their appealing properties c
Externí odkaz:
http://arxiv.org/abs/2301.11460
Autor:
Shamirzaev, T. S., Shumilin, A. V., Smirnov, D. S., Kudlacik, D., Nekrasov, S. V., Kusrayev, Yu. G., Yakovlev, D. R., Bayer, M.
The exciton recombination and spin dynamics in (In,Al)As/AlAs quantum dots (QDs) with indirect band gap and type-I band alignment are studied. The negligible (less than $0.2~\mu$eV) value of the anisotropic exchange interaction in these QDs prevents
Externí odkaz:
http://arxiv.org/abs/2301.11138
Quantum measurement back action is fundamentally unavoidable when manipulating electron spins. Here we demonstrate that this back action can be efficiently exploited to tune the spin relaxation of localized electrons induced by the hyperfine interact
Externí odkaz:
http://arxiv.org/abs/2212.07995
Autor:
Smirnova, O. O., Kalitukha, I. V., Rodina, A. V., Dimitriev, G. S., Sapega, V. F., Ken, O. S., Korenev, V. L., Kozyrev, N. V., Nekrasov, S. V., Kusrayev, Yu. G., Yakovlev, D. R., Dubertret, B., Bayer, M.
We report on the experimental and theoretical studies of optical alignment and optical orientation effects in an ensemble of core/shell CdSe/CdS colloidal nanoplatelets. The dependences of three Stokes parameters on the magnetic field applied in the
Externí odkaz:
http://arxiv.org/abs/2212.06134
Autor:
Godejohann, F., Akhmadullin, R. R., Kavokin, K. V., Yakovlev, D. R., Akimov, I. A., Namozov, B. R., Kusrayev, Yu. G., Karczewski, G., Wojtowicz, T., Bayer, M.
A trion magnetic polaron formed by the exchange interaction of a positively charged exciton (trion) with localized spins of Mn$^{2+}$ ions is found experimentally in a 4\,nm wide Cd$_{0.98}$Mn$_{0.02}$Te/Cd$_{0.78}$Mn$_{0.02}$Mg$_{0.2}$Te quantum wel
Externí odkaz:
http://arxiv.org/abs/2208.05943