The PKU SPM group would like to congratulate Lei Wang, Feifei Hu, and Danhua Wu on their successful Ph. D thesis defense!
Lei Wang has been working on optical waveguide amplifiers using ErYb/Y silicates. A low loss Si3N4/ErYb silicate hybrid optical amplifier was also successfully developed.
Feifei Hu’s research explored new devices using Surface Plasmon Polaritons (SPPs). Plasmonic filters and demultiplexing structures based on plasmonic slot cavities were demonstrated through his work.
Danhua Wu worked on sub-wavelength gratings as a coupler. Experimental and simulation work was done to realize high coupling efficiencies.
We appreciate their significant contributions to the lab and anticipate more great things in their futures.


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