SC DHS InGaAsP/InP lasers( =1.5-1.6 um) with above-threshold internal quantum efficiency nsti about 100%

Ilya S. Tarasov; Georgy G. Zegrya; G. V. Skrynnikov; Nikita A. Pikhtin; S. O. Slipchenko

doi:10.1117/12.514371

11 June 2003 SC DHS InGaAsP/InP lasers (λ = 1.5-1.6 μm) with above-threshold internal quantum efficiency η_i^st about 100%

Ilya S. Tarasov, Georgy G. Zegrya, G. V. Skrynnikov, Nikita A. Pikhtin, S. O. Slipchenko

Author Affiliations +

Proceedings Volume 5023, 10th International Symposium on Nanostructures: Physics and Technology; (2003) https://doi.org/10.1117/12.514371
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

InGaAsP/InP SC DHS lasers with different waveguide design were fabricated and studied. Extremely high values of internal quantum efficiency of stimulated emission η_i^st about 97% was demonstrated experimentally in structures with step-like waveguide design which is related to lowest leakage currents above threshold and reduced threshold carriers concentration. Theoretically was shown, that it is possible to create lasers emitting at λ = 1.5 μm, with an internal quantum efficiency of stimulated emission close to 100%. η_i^st for structure with different waveguide design was calculated and prove to be in good agreement with experimental data.

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Ilya S. Tarasov, Georgy G. Zegrya, G. V. Skrynnikov, Nikita A. Pikhtin, and S. O. Slipchenko "SC DHS InGaAsP/InP lasers (λ = 1.5-1.6 μm) with above-threshold internal quantum efficiency η_i^st about 100%", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); https://doi.org/10.1117/12.514371

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