Guo P Li

Title: The Innovations of Inventor Guo P Li

Introduction

Guo P Li is a prominent inventor based in Ottawa, Canada, recognized for his significant contributions to the field of optoelectronic integrated circuits. With a total of four patents to his name, Li’s innovations showcase his expertise in developing advanced technologies that support various applications in the semiconductor industry.

Latest Patents

Li's latest patents reflect a strong focus on enhancing the performance and reliability of optoelectronic devices. One of his notable inventions is the "Thin Film Resistor for Optoelectronic Integrated Circuits." This patent describes a stable low resistance thin film resistor that comprises a bilayer of platinum on titanium. The design includes a dielectric protective layer, such as silicon dioxide or silicon nitride, aiming to mitigate degradation from humidity and high operating temperatures of 300°C or more. Additionally, he has contributed to a patent titled "Multi-Wavelength Gain-Coupled Distributed Feedback Laser Array with Fine Tuning," which involves a laser array featuring multiple gain-coupled distributed feedback ridge waveguide lasers. This innovation enables fine tuning of the central wavelengths through thermal power applied to selected waveguides via titanium thin film resistors, demonstrating a remarkable wavelength range of 9 nm with a sixteen element array.

Career Highlights

Throughout his career, Guo P Li has been associated with Northern Telecom Limited, a company that emphasizes advancements in telecommunications equipment and technology. His work at Northern Telecom has allowed him to collaborate with cutting-edge technologies and push the boundaries of optoelectronic circuit applications.

Collaborations

Li has collaborated with esteemed colleagues Toshi Makino and Toshihiko Makino, enhancing the depth and breadth of his research. These collaborations have fostered a dynamic environment for innovation, allowing for the integration of varied expertise that complements his inventive pursuits.

Conclusion

In conclusion, Guo P Li stands out as an influential inventor in the field of optoelectronic integrated circuits, with a robust portfolio of patents that underscore his commitment to technological advancement. His collaborations and career at Northern Telecom Limited reflect his dedication to fostering innovation in engineering and communications technology.