Modeling and design of an electrically pumped SiGeSn microring laser
Marzban B, Seidel L, Kiyek V, Liu T, Zöllner M, Ikonic Z, Capellini G, Buca D, Schulze J, Oehme M, Witzens J (2022)
Publication Type: Conference contribution
Publication year: 2022
Journal
Publisher: SPIE
Book Volume: 12006
Conference Proceedings Title: Proceedings of SPIE - The International Society for Optical Engineering
Event location: Online
ISBN: 9781510648838
DOI: 10.1117/12.2609537
Abstract
We present a suspended SiGeSn microring laser design that enables strain relaxation of the material layer stack, electrical pumping and adequate heat sinking. Using both strain and composition as two degrees of freedom to engineer the band structure, a direct bandgap is obtained in the gain material of a double heterostructure layer stack, and the L- to Γ-valley energy difference increased to 78 meV, by 66% compared to a non-underetched structure. The temperature dependent current threshold is modeled for the designed device and determined to be 18 kA/cm2 at 50 K. The fabrication process is outlined and first experimental electroluminescence results indicating the effectiveness of our approach are reported. At the time this proceedings paper is being submitted, electrically pumped lasing has also been achieved with a similar structure, with results that will be reported in a future publication.
Authors with CRIS profile
Involved external institutions
Forschungszentrum Jülich / Research Centre Jülich (FZJ)
Germany (DE)
Leibniz-Institut für innovative Mikroelektronik / IHP GmbH - Innovations for High Performance Microelectronics
Germany (DE)
Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
Germany (DE)
University of Leeds
United Kingdom (GB)
Universität Stuttgart
Germany (DE)
Germany (DE)
Leibniz-Institut für innovative Mikroelektronik / IHP GmbH - Innovations for High Performance Microelectronics
Germany (DE)
Rheinisch-Westfälische Technische Hochschule (RWTH) Aachen
Germany (DE)
University of Leeds
United Kingdom (GB)
Universität Stuttgart
Germany (DE)
How to cite
APA:
Marzban, B., Seidel, L., Kiyek, V., Liu, T., Zöllner, M., Ikonic, Z.,... Witzens, J. (2022). Modeling and design of an electrically pumped SiGeSn microring laser. In Graham T. Reed, Andrew P. Knights (Eds.), Proceedings of SPIE - The International Society for Optical Engineering. Online: SPIE.
MLA:
Marzban, B., et al. "Modeling and design of an electrically pumped SiGeSn microring laser." Proceedings of the Silicon Photonics XVII 2022, Online Ed. Graham T. Reed, Andrew P. Knights, SPIE, 2022.
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