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| 001 | 1033871 | ||
| 005 | 20250203133226.0 | ||
| 024 | 7 | _ | |a 10.1038/s41467-024-54873-z |2 doi |
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| 100 | 1 | _ | |a Seidel, Lukas |0 P:(DE-HGF)0 |b 0 |
| 245 | _ | _ | |a Continuous-wave electrically pumped multi-quantum-well laser based on group-IV semiconductors |
| 260 | _ | _ | |a [London] |c 2024 |b Nature Publishing Group UK |
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| 520 | _ | _ | |a 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. |
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| 700 | 1 | _ | |a Concepción, Omar |0 P:(DE-Juel1)188576 |b 2 |
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| 700 | 1 | _ | |a Hartmann, Jean-Michel |0 P:(DE-HGF)0 |b 10 |
| 700 | 1 | _ | |a Chelnokov, Alexei |0 P:(DE-HGF)0 |b 11 |
| 700 | 1 | _ | |a Witzens, Jeremy |0 P:(DE-HGF)0 |b 12 |
| 700 | 1 | _ | |a Capellini, Giovanni |0 P:(DE-HGF)0 |b 13 |
| 700 | 1 | _ | |a Oehme, Michael |0 P:(DE-HGF)0 |b 14 |
| 700 | 1 | _ | |a Grützmacher, Detlev |0 P:(DE-Juel1)125588 |b 15 |
| 700 | 1 | _ | |a Buca, Dan |0 P:(DE-Juel1)125569 |b 16 |e Corresponding author |
| 773 | _ | _ | |a 10.1038/s41467-024-54873-z |g Vol. 15, no. 1, p. 10502 |0 PERI:(DE-600)2553671-0 |n 1 |p 10502 |t Nature Communications |v 15 |y 2024 |x 2041-1723 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/1033871/files/2024%20Nat%20Comm%20-GeSn%20CW%20laser%20.pdf |y OpenAccess |
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