Photon echoes from (In,Ga)As quantum dots embedded in a Tamm-plasmon microcavity

M. Salewski, S.V. Poltavtsev, Y.V. Kapitonov, J. Vondran, D.R. Yakovlev, C. Schneider, M. Kamp, S. Höfling, R. Oulton, I.A. Akimov, A.V. Kavokin, M. Bayer, Physical Review B 95 (2017).

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Abstract
We report on the coherent optical response from an ensemble of (In,Ga)As quantum dots (QDs) embedded in a planar Tamm-plasmon microcavity with a quality factor of approximately 100. Significant enhancement of the light-matter interaction is demonstrated under selective laser excitation of those quantum dots which are in resonance with the cavity mode. The enhancement is manifested through Rabi oscillations of the photon echo, demonstrating coherent control of excitons with picosecond pulses at intensity levels more than an order of magnitude smaller as compared with bare quantum dots. The decay of the photon echo transients is weakly changed by the resonator, indicating a small decrease of the coherence time T2 which we attribute to the interaction with the electron plasma in the metal layer located close (40 nm) to the QD layer. Simultaneously we see a reduction of the population lifetime T1, inferred from the stimulated photon echo, due to an enhancement of the spontaneous emission by a factor of 2, which is attributed to the Purcell effect, while nonradiative processes are negligible, as confirmed from time-resolved photoluminescence.
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Journal Title
Physical Review B
Volume
95
Issue
3
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Salewski M, Poltavtsev SV, Kapitonov YV, et al. Photon echoes from (In,Ga)As quantum dots embedded in a Tamm-plasmon microcavity. Physical Review B. 2017;95(3). doi:10.1103/physrevb.95.035312
Salewski, M., Poltavtsev, S. V., Kapitonov, Y. V., Vondran, J., Yakovlev, D. R., Schneider, C., … Bayer, M. (2017). Photon echoes from (In,Ga)As quantum dots embedded in a Tamm-plasmon microcavity. Physical Review B, 95(3). https://doi.org/10.1103/physrevb.95.035312
@article{Salewski_Poltavtsev_Kapitonov_Vondran_Yakovlev_Schneider_Kamp_Höfling_Oulton_Akimov_et al._2017, title={Photon echoes from (In,Ga)As quantum dots embedded in a Tamm-plasmon microcavity}, volume={95}, DOI={10.1103/physrevb.95.035312}, number={3}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Salewski, M. and Poltavtsev, S. V. and Kapitonov, Yu. V. and Vondran, J. and Yakovlev, D. R. and Schneider, C. and Kamp, M. and Höfling, S. and Oulton, R. and Akimov, I. A. and et al.}, year={2017} }
Salewski, M., S. V. Poltavtsev, Yu. V. Kapitonov, J. Vondran, D. R. Yakovlev, C. Schneider, M. Kamp, et al. “Photon Echoes from (In,Ga)As Quantum Dots Embedded in a Tamm-Plasmon Microcavity.” Physical Review B 95, no. 3 (2017). https://doi.org/10.1103/physrevb.95.035312.
M. Salewski et al., “Photon echoes from (In,Ga)As quantum dots embedded in a Tamm-plasmon microcavity,” Physical Review B, vol. 95, no. 3, 2017.
Salewski, M., et al. “Photon Echoes from (In,Ga)As Quantum Dots Embedded in a Tamm-Plasmon Microcavity.” Physical Review B, vol. 95, no. 3, American Physical Society (APS), 2017, doi:10.1103/physrevb.95.035312.

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