Difeng Zhu is a prominent inventor based in San Diego, CA, known for his significant contributions to the field of photonics. With a total of 5 patents to his name, Zhu has made remarkable advancements in integrated circuits and photodetectors.

Latest Patents

Zhu's latest patents include the "Tunable in-pool waveguide and method," which describes a photonics integrated circuit featuring a first and second waveguide. The first waveguide has a cladding with a specific refractive index, while the second waveguide has a different refractive index. This innovation also includes a test circuit that can determine and tune waveguide losses. Another notable patent is the "Silicon nitride hard mask for epitaxial germanium on silicon." This patent outlines a method for fabricating a germanium-on-silicon photodetector by forming a silicon oxide layer and a silicon nitride layer, followed by a precise etching process that prevents damage to the underlying silicon layer.

Career Highlights

Throughout his career, Difeng Zhu has worked with notable companies such as Newport Fab, LLC and Intel Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of photonics.

Collaborations

Zhu has collaborated with esteemed colleagues, including Edward J Preisler and Razi Dehghannasiri, contributing to a rich exchange of ideas and advancements in technology.

Conclusion

Difeng Zhu's work in photonics and integrated circuits showcases his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the efficiency and functionality of photonic devices.

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