Reduced threshold microdisk lasers from GeSn/SiGeSn heterostructures

Daniela Stange,N. von den Driesch,T. Zabel,F. Armand-Pilon,B. Marzban,Denis Rainko,J. M. Hartmann,Giovanni Capellini,T. Schroeder,H. Sigg,Jeremy Witzens,Detlev Grützmacher,D. Buca

Reduced threshold microdisk lasers from GeSn/SiGeSn heterostructures

2017

Daniela Stange
N. von den Driesch
T. Zabel
F. Armand-Pilon
B. Marzban
Denis Rainko
J. M. Hartmann
Giovanni Capellini
T. Schroeder
H. Sigg
Jeremy Witzens
Detlev Grützmacher
D. Buca

We present optically pumped lasing from group IV GeSn/SiGeSn heterostructures. A comparison between double heterostructure and multi-quantum-well microdisk cavities reveals advantages of the multi-well design. Strongly reduced lasing thresholds compared to values from bulk devices are observed.

Keywords:

Optoelectronics
Heterojunction
Laser
Photonics
Optics
Physics
Double heterostructure
Lasing threshold
Temperature measurement
Silicon

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