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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