Abstract
It is shown that in order to achieve lasing in structures with CdSe submonolayers inserted in a ZnSe matrix, no additional optical confinement of the active region using thick wide-gap layers is required. The high oscillator strength of the excitons trapped at CdSe islands modulates the permittivity and thus produces a natural exciton-induced waveguiding effect.
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Pis’ma Zh. Tekh. Fiz. 23, 33–38 (January 12, 1997)
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Krestnikov, I.L., Ledentsov, N.N., Maksimov, M.V. et al. Lasing in submonolayer CdSe structures in a ZnSe matrix without external optical confinement. Tech. Phys. Lett. 23, 23–25 (1997). https://doi.org/10.1134/1.1261607
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DOI: https://doi.org/10.1134/1.1261607