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Article Dans Une Revue Nanotechnology Année : 2022

GaAs membrane PhC lasers threshold reduction using AlGaAs barriers and improved processing

Résumé

Active suspended membranes are an ideal test-bench for experimenting with novel laser geometries and principles. We show that adding thin AlGaAs barrier near the top and bottom Air/GaAs interfaces of the membrane signicantly reduces the carriers non-radiative recombinations and decreases the threshold of test photonic crystal test lasers. We review the existing literature on photonic crystal membrane fabrication and propose an overview of the signicant defects that can be induced by each fabrication step. Finally we propose a complete processing scheme that overcome most of these defects.
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Dates et versions

hal-03812858 , version 1 (13-10-2022)

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Sergio Iván Flores Esparza, Aurélie Lecestre, Pascal Dubreuil, Alexandre Arnoult, Adnen Mlayah, et al.. GaAs membrane PhC lasers threshold reduction using AlGaAs barriers and improved processing. Nanotechnology, 2022, 34 (1), pp.015303. ⟨10.1088/1361-6528/ac9685⟩. ⟨hal-03812858⟩
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