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000910865 1001_ $$0P:(DE-Juel1)125569$$aBuca, Dan$$b0$$eCorresponding author
000910865 245__ $$aRoom Temperature Lasing in GeSn Microdisks Enabled by Strain Engineering
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000910865 520__ $$aThe success of GeSn alloys as active material for infrared lasers could pave the way toward a monolithic technology that can be manufactured within mainstream silicon photonics. Nonetheless, for operation on chip, lasing should occur at room temperature or beyond. Unfortunately, despite the intense research in recent years, many hurdles have yet to be overcome. An approach exploiting strain engineering to induce large tensile strain in micro-disk made of GeSn alloy with Sn content of 14 at% is presented here. This method enables robust multimode laser emission at room temperature. Furthermore, tensile strain enables proper valence band engineering; as a result, over a large range of operating temperatures, lower lasing thresholds are observed compared to high Sn content GeSn lasers operating at similar wavelength.
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000910865 7001_ $$0P:(DE-HGF)0$$aBjelajac, Andjelika$$b1
000910865 7001_ $$0P:(DE-HGF)0$$aSpirito, Davide$$b2
000910865 7001_ $$0P:(DE-HGF)0$$aConcepción, Omar$$b3
000910865 7001_ $$0P:(DE-HGF)0$$aGromovyi, Maksym$$b4
000910865 7001_ $$0P:(DE-HGF)0$$aSakat, Emilie$$b5
000910865 7001_ $$0P:(DE-HGF)0$$aLafosse, Xavier$$b6
000910865 7001_ $$0P:(DE-HGF)0$$aFerlazzo, Laurence$$b7
000910865 7001_ $$0P:(DE-Juel1)161247$$avon den Driesch, Nils$$b8
000910865 7001_ $$0P:(DE-HGF)0$$aIkonic, Zoran$$b9
000910865 7001_ $$0P:(DE-Juel1)125588$$aGrützmacher, Detlev$$b10
000910865 7001_ $$0P:(DE-HGF)0$$aCapellini, Giovanni$$b11
000910865 7001_ $$0P:(DE-HGF)0$$aEl Kurdi, Moustafa$$b12
000910865 773__ $$0PERI:(DE-600)2708158-8$$a10.1002/adom.202201024$$gp. 2201024 -$$n22$$p2201024 -$$tAdvanced optical materials$$v10$$x2195-1071$$y2022
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