vertical-cavity surface emitting laser

Geometry and Thermal Engineering of VCSELs for Enhanced Performance

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B2 R5209

This thesis presents a comprehensive approach to enhancing VCSEL performance through geometry engineering and passive thermal management to enable next-generation high-power and high-speed photonic systems, such as speckle-free imaging and ultrafast random number generation.

Wenbo Yan

Wenbo Yan's research focuses on coherence engineering and laser dynamics in vertical-cavity surface-emitting lasers (VCSELs) to enable multifunctional photonic devices for speckle-free imaging and ultrafast random number generation.

Kazuhiro Ohkawa

Professor Ohkawa is a highly regarded researcher, widely recognized for his contributions to electrical engineering and applied physics, particularly for his pioneering work in refining the metalorganic vapor-phase epitaxy technique for novel wide bandgap semiconductors.

Hsin-Hung Yao

Postdoctoral Research Fellow, Advanced Semiconductor Laboratory
Hsin-Hung Yao was a Postdoctoral Fellow working under the supervision of Prof. Xiaohang Li at the Advanced Semiconductor Laboratory at King Abdullah University of Science and Technology (KAUST). Research Interests Dr. Yao’s research interests are the application of nitride-based semiconductor materials. They include novel devices design, device structure growth (Epitaxy by MOCVD system), fabrication and characteristic measurement of a device. Recently, his interests include super-wide materials (Al-rich material, and so on) growth by MOCVD system on various substrates (Sapphire, SiC, and Si)