Gigahertz circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers

Gerhardt, N. C. and Li, M. and Jaehme, H. and Soldat, H. and Hofmann, M. R. and Ackemann, T. (2010) Gigahertz circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. In: Conference on Lasers and Electro-Optics CLEO/Quantum Electronics and Laser Science Conference (QELS), 2010-05-16 - 2010-05-21.

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Abstract

We analyze ultrafast circular polarization oscillations in a commercial vertical-cavity surface-emitting laser after spin injection at room temperature. The circular polarization exhibits faster dynamics than the intensity and longer persistence than the spin relaxation time.

ORCID iDs

Gerhardt, N. C., Li, M., Jaehme, H., Soldat, H., Hofmann, M. R. and Ackemann, T. ORCID logoORCID: https://orcid.org/0000-0003-2727-7395;