Continuous-wave electrically pumped multi-quantum-well laser based on group-IV semiconductors
Over the last 30 years, group-IV semiconductors have been intensely investigated in the quest for a fundamental direct bandgap semiconductor that could yield the last missing piece of the Si Photonics toolbox: a continuous-wave Si-based laser. Along this path, it has been demonstrated that the electronic band structure of the GeSn/SiGeSn heterostructures can be tuned into a direct bandgap quantum structure providing optical gain for lasing. In this paper, we present a versatile electrically pumped, continuous-wave laser emitting at a near-infrared wavelength of 2.32 µm with a low threshold current of 4 mA. It is based on a 6-periods SiGeSn/GeSn multiple quantum-well heterostructure. Operation of the micro-disk laser at liquid nitrogen temperature is possible by changing to pulsed operation and reducing the heat load. The demonstration of a continuous-wave, electrically pumped, all-group-IV laser is a major breakthrough towards a complete group-IV photonics technology platform.
Authors
- Davide Spirito (ORCID: https://orcid.org/0000-0002-6074-957X)
- A. Chelnokov (ORCID: https://orcid.org/0000-0002-2771-4199)
- Daniel Schwarz (ORCID: https://orcid.org/0000-0003-2702-4697)
- Omar Concepción (ORCID: https://orcid.org/0000-0001-8197-7523)
- Lukas Seidel (ORCID: https://orcid.org/0000-0002-9147-7300)
- Z. Ikonić (ORCID: https://orcid.org/0000-0003-4645-377X)
- Teren Liu (ORCID: https://orcid.org/0000-0003-1060-3350)
- Dan Buca (ORCID: https://orcid.org/0000-0002-3692-5596)
- Vivien Kiyek (ORCID: https://orcid.org/0000-0001-9360-9541)
- Michael Oehme (ORCID: https://orcid.org/0000-0002-1637-1338)
- Jeremy Witzens (ORCID: https://orcid.org/0000-0002-2896-7243)
- Detlev Grützmacher (ORCID: https://orcid.org/0000-0001-6290-9672)
- Bahareh Marzban (ORCID: https://orcid.org/0000-0003-3041-6384)
- Jörg Schulze (ORCID: https://orcid.org/0000-0003-3621-7888)
- Giovanni Capellini (ORCID: https://orcid.org/0000-0002-5169-2823)
- Aimen Benkhelifa
- Jean-Michel Hartmann
Institutions
- University of Stuttgart (DE)
- Roma Tre University (IT)
- University of Leeds (GB)
- Forschungszentrum Jülich (DE)
- Friedrich-Alexander-Universität Erlangen-Nürnberg (DE)
- Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
- Basque Center for Materials, Applications and Nanostructures (ES)
- CEA Grenoble (FR)
- ETH Zurich (CH)
- Laboratoire d'Électronique des Technologies de l'Information (FR)
- RWTH Aachen University (DE)
- Université Grenoble Alpes (FR)
- Leibniz Institute for High Performance Microelectronics (DE)
Publication Details
- Journal
- Nature Communications
- Published
- 2024-12-03
- DOI
- https://doi.org/10.1038/s41467-024-54873-z
- Citations
- 20
- Primary Topic
- Photonic and Optical Devices
- Type
- article
- Field-Weighted Citation Impact
- 4.17
Funders
- European Commission
- Deutsche Forschungsgemeinschaft