TIME BEHAVIOR OF EXCITON FORMATION AND LASER EMISSION IN Cd(SeS) PLATELETS

TIME BEHAVIOR OF EXCITON FORMATION AND LASER EMISSION IN Cd(SeS) PLATELETS

Ultrathin (∼ 1 μm) Cd(SeS) platelets are excited with a mode-locked He–Ne laser and are shown to lase with a measured time delay of ∼ 10−9 sec. The measured delay agrees with the time required to redistribute optically generated electron-hole pairs uniformly through the sample thickness and to the p...

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Veröffentlicht in:Applied physics letters 1969-02, Vol.14 (3), p.99-101
Hauptverfasser: Keune, D. L., Rossi, J. A., Gaddy, O. L., Merkelo, H., Holonyak, N.
Format: Artikel
Sprache:eng
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Zusammenfassung:Ultrathin (∼ 1 μm) Cd(SeS) platelets are excited with a mode-locked He–Ne laser and are shown to lase with a measured time delay of ∼ 10−9 sec. The measured delay agrees with the time required to redistribute optically generated electron-hole pairs uniformly through the sample thickness and to the proper density (1018/cm3) to form excitons.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.1652738