Paper
13 November 2014 Exciton-polariton laser diodes
M. Amthor, J. Fischer, I. G. Savenko, I. A. Shelykh, A. Chernenko, A. Rahimi-Iman, V. D. Kulakovskii, S. Reitzenstein, N. Y. Kim, M. Durnev, A. V. Kavokin, Y. Yamamoto, A. Forchel, M. Kamp, C. Schneider, S. Höfling
Author Affiliations +
Abstract
Despite their name polariton lasers do not rely on stimulated emission of cavity photons. The less stringent threshold conditions are the cause that bosonic polariton lasers can outperform standard lasers in terms of their threshold currents. The part-light and part-matter quasiparticles called polaritons, can undergo a condensation process into a common energy state. The radiated light from such a system shares many similarities with the light emitted from a conventional photon laser, even though the decay of the polaritons out of the finite lifetime cavity is a spontaneous process. We discuss properties of polariton condensates in GaAs based microcavities. The system’s response to an external magnetic field is used as a reliable tool to distinguish between polariton laser and conventional photon laser. In particular, we will discuss the realization of an electrically pumped polariton laser, which manifests a major step towards the exploitation of polaritonic devices in the real world.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M. Amthor, J. Fischer, I. G. Savenko, I. A. Shelykh, A. Chernenko, A. Rahimi-Iman, V. D. Kulakovskii, S. Reitzenstein, N. Y. Kim, M. Durnev, A. V. Kavokin, Y. Yamamoto, A. Forchel, M. Kamp, C. Schneider, and S. Höfling "Exciton-polariton laser diodes", Proc. SPIE 9277, Nanophotonics and Micro/Nano Optics II, 92770Q (13 November 2014); https://doi.org/10.1117/12.2074122
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Cited by 2 scholarly publications.
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KEYWORDS
Polaritons

Magnetism

Optical microcavities

Photons

Gallium arsenide

Quantum wells

Semiconductor lasers

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