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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper QMC6

Gain and stimulated emission in II-VI microcavities

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Abstract

The large oscillator strength of excitons in ZnSe-based quantum wells leads to exciton-photon normal mode splittings in microcavities in excess of 10 meV per quantum well (QW).1 As a consequence also of the robustness of the excitons in terms of binding energy, these QW heterostructure-microcavities can probe aspects of cavity electrodynamics under high injection (carrier density) conditions that are not attainable, e,g,, by Ga As-based microcavities. The microcavity concept is of potential importance in the blue-green lasers since, as we show here, in wide bandgap materials gain appears before photon-exciton oscillator is bleached, contrary to the situation in usual III-V micro cavities.

© 1997 Optical Society of America

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