Room temperature direct-gap electroluminescence in Ge/SiGe quantum well waveguides

Papichaya Chaisakul; Delphine Marris-Morini; Giovanni Isella; Daniel Chrastina; Jacopo Frigerio; Mohamed-Saïd Rouifed; Nicolas Izard; Xavier Le Roux; Samson Edmond; Jean-René Coudevylle; Laurent Vivien

doi:10.1117/12.922008

11 May 2012 Room temperature direct-gap electroluminescence in Ge/SiGe quantum well waveguides

Papichaya Chaisakul, Delphine Marris-Morini, Giovanni Isella, Daniel Chrastina, Jacopo Frigerio, Mohamed-Saïd Rouifed, Nicolas Izard, Xavier Le Roux, Samson Edmond, Jean-René Coudevylle, Laurent Vivien

Author Affiliations +

Proceedings Volume 8431, Silicon Photonics and Photonic Integrated Circuits III; 843119 (2012) https://doi.org/10.1117/12.922008
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

Room temperature direct gap electroluminescence (EL) from a Ge/Si_0.15Ge_0.85 MQW waveguide was experimentally studied. The dependence of the EL intensity on the injection current and temperature was measured. The direct gap EL from Ge/SiGe MQWs was shown to be transverse-electric (TE) polarized, confirming that the EL originates from recombination with a HH state.

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Papichaya Chaisakul, Delphine Marris-Morini, Giovanni Isella, Daniel Chrastina, Jacopo Frigerio, Mohamed-Saïd Rouifed, Nicolas Izard, Xavier Le Roux, Samson Edmond, Jean-René Coudevylle, and Laurent Vivien "Room temperature direct-gap electroluminescence in Ge/SiGe quantum well waveguides", Proc. SPIE 8431, Silicon Photonics and Photonic Integrated Circuits III, 843119 (11 May 2012); https://doi.org/10.1117/12.922008

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