VCSELs and Optical Interconnects
![[Translate to english:] Bonded laser chip [] Bonded laser chip](/fileadmin/website_uni_ulm/iui.inst.140/Bilder/VCSEL/Titelbilder/VCSEL_1.jpg)
apl. Prof. Dr.-Ing. Rainer Michalzik
- Vertical-cavity surface-emitting lasers (VCSELs)
- Optical interconnect devices and systems
- VCSEL-based optical sensing
GaN-based Electronics and Optoelectronics
![[Translate to english:] GaN nanotubes [] GaN nanotubes](/fileadmin/_processed_/c/8/csm_GaN_1_5bbabd0f2a.png)
- Epitaxy of AlGaInN heterostructures
- Short wavelength light emitters and lasers
- GaN high electron mobility transistors
High-Power Semiconductor Lasers
![[Translate to english:] VECSEL [] VECSEL](/fileadmin/website_uni_ulm/iui.inst.140/Bilder/HighPowerLaser/Titelbilder/HP_1.png)
- Optically-pumped semiconductor disk lasers
- High-power diode lasers and amplifiers
- Monolithic integration using etched mirrors