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001033871 1001_ $$0P:(DE-HGF)0$$aSeidel, Lukas$$b0
001033871 245__ $$aContinuous-wave electrically pumped multi-quantum-well laser based on group-IV semiconductors
001033871 260__ $$a[London]$$bNature Publishing Group UK$$c2024
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001033871 520__ $$aOver 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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001033871 65017 $$0V:(DE-MLZ)GC-120-2016$$2V:(DE-HGF)$$aInformation and Communication$$x0
001033871 7001_ $$0P:(DE-Juel1)186980$$aLiu, Teren$$b1
001033871 7001_ $$0P:(DE-Juel1)188576$$aConcepción, Omar$$b2
001033871 7001_ $$0P:(DE-HGF)0$$aMarzban, Bahareh$$b3
001033871 7001_ $$0P:(DE-Juel1)180877$$aKiyek, Vivien$$b4
001033871 7001_ $$0P:(DE-HGF)0$$aSpirito, Davide$$b5
001033871 7001_ $$0P:(DE-HGF)0$$aSchwarz, Daniel$$b6
001033871 7001_ $$0P:(DE-HGF)0$$aBenkhelifa, Aimen$$b7
001033871 7001_ $$0P:(DE-HGF)0$$aSchulze, Jörg$$b8
001033871 7001_ $$0P:(DE-HGF)0$$aIkonic, Zoran$$b9
001033871 7001_ $$0P:(DE-HGF)0$$aHartmann, Jean-Michel$$b10
001033871 7001_ $$0P:(DE-HGF)0$$aChelnokov, Alexei$$b11
001033871 7001_ $$0P:(DE-HGF)0$$aWitzens, Jeremy$$b12
001033871 7001_ $$0P:(DE-HGF)0$$aCapellini, Giovanni$$b13
001033871 7001_ $$0P:(DE-HGF)0$$aOehme, Michael$$b14
001033871 7001_ $$0P:(DE-Juel1)125588$$aGrützmacher, Detlev$$b15
001033871 7001_ $$0P:(DE-Juel1)125569$$aBuca, Dan$$b16$$eCorresponding author
001033871 773__ $$0PERI:(DE-600)2553671-0$$a10.1038/s41467-024-54873-z$$gVol. 15, no. 1, p. 10502$$n1$$p10502$$tNature Communications$$v15$$x2041-1723$$y2024
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