Tuning of the exciton-photon coupling in semiconductor quantum microcavities by external electric and magnetic fields

T. A. Fisher; Maurice S. Skolnick; A. M. Afshar; D. M. Whittaker; P. Kinsler; John Stuart Roberts; Geoff Hill; M. A. Pate

doi:10.1117/12.238386

19 April 1996 Tuning of the exciton-photon coupling in semiconductor quantum microcavities by external electric and magnetic fields

T. A. Fisher, Maurice S. Skolnick, A. M. Afshar, D. M. Whittaker, P. Kinsler, John Stuart Roberts, Geoff Hill, M. A. Pate

Author Affiliations +

Proceedings Volume 2694, Quantum Well and Superlattice Physics VI; (1996) https://doi.org/10.1117/12.238386
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Tuning of the vacuum Rabi exciton-photon coupling in semiconductor quantum microcavity structures by external electric and magnetic fields is presented. Contrasting effects due to the two external perturbations are found, principally due to the decrease of exciton oscillator strength in electric field and increase of oscillator strength in magnetic field. The strong coupling limit is easily achieved in these high quality structures with line widths on resonance as small as 1 meV. In addition to the tuning phenomena, the effects of exciton Zeeman splitting on the spectra and unexpected linewidth narrowing phenomena on resonance are reported.

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T. A. Fisher, Maurice S. Skolnick, A. M. Afshar, D. M. Whittaker, P. Kinsler, John Stuart Roberts, Geoff Hill, and M. A. Pate "Tuning of the exciton-photon coupling in semiconductor quantum microcavities by external electric and magnetic fields", Proc. SPIE 2694, Quantum Well and Superlattice Physics VI, (19 April 1996); https://doi.org/10.1117/12.238386

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KEYWORDS

Excitons

Polaritons

Magnetism

Oscillators

Photons

Quantum wells

Reflectivity

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