| Issue |
EPJ Web Conf.
Volume 161, 2017
XI International Symposium on Photon Echo and Coherent Spectroscopy (PECS-2017)
|
|
|---|---|---|
| Article Number | 03007 | |
| Number of page(s) | 2 | |
| Section | Poster talks | |
| DOI | https://doi.org/10.1051/epjconf/201716103007 | |
| Published online | 31 October 2017 | |
https://doi.org/10.1051/epjconf/201716103007
Long–lived femtosecond photon echo in thin films on localized exciton states at room temperature
1
Volga State Technological University, 3 Lenin sq. Yoshkar-Ola, 424001, Russia
2
Institute of Spectroscopy of the Russian Academy of Sciences, 5 Fizicheskaya str, Troitsk, Moscow, 108840 Russia
3
St. Petersburg National Research University of Information Technologies, Mechanics and Optics, 49 Kronverksky Prospect, St. Petersburg 197101 Russia
* Corresponding author: Popov@volgatech.net
Published online: 31 October 2017
Long–lived femtosecond photon echo was excited at room temperature in a two–photon regime on the charged exciton states (trion type) localized on the surface defects of a three–layer textured ZnO/Si(B)/Si(P) film with the thickness of each layer at 100 nm in a longitudinal uniform magnetic field. The irreversible longitudinal relaxation time T1 for the long–lived photon echo regime was of the order of 40 ps, whereas when measured with the help of the stimulated photon echo generated in the single–photon mode, the value was found not to exceed 600 fs.
© The Authors, published by EDP Sciences, 2017
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