Location History:
- Crescent, CA (1996)
- Nepean, CA (1996 - 1998)
Company Filing History:
Years Active: 1996-1998
Title: Innovations of Chi Wu in Optical Filters
Introduction
Chi Wu is a prominent inventor based in Nepean, Canada, known for his significant contributions to the field of optical filters. With a total of nine patents to his name, he has made remarkable advancements in polarization insensitive multilayer planar reflection filters and grating resonator filters. His work has had a profound impact on optical technology and its applications.
Latest Patents
Chi Wu's latest patents include a polarization insensitive multilayer planar reflection filter. This innovative filter features strong sidelobe suppression, with levels ranging from -30 dB to -50 dB. It also ensures a minimum width of the filtered bandwidth for the specified sidelobe suppression level. The design is achieved through a multilayer stack, where the thickness of individual dielectric layers is varied throughout the stack. The universal design formula specifies layer values for a stack with an arbitrary number of layers, dielectric constant, incident angle, and wavelength. Additionally, he has developed a polarization independent grating resonator filter, which comprises a phase-shifted grating structure. This filter serves as a polarization independent optical wavelength filter with ultra-narrow bandwidth and fine tunability.
Career Highlights
Chi Wu has had a successful career at Northern Telecom Limited, where he has been instrumental in developing cutting-edge optical technologies. His expertise in the field has led to numerous innovations that enhance the performance of optical systems. His contributions have been recognized within the industry, establishing him as a leading figure in optical filter technology.
Collaborations
Chi Wu has collaborated with notable colleagues, including Brent Everett Little and Wei-Ping Huang. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas in the field of optical technology.
Conclusion
Chi Wu's work in the development of polarization insensitive optical filters has significantly advanced the field of optics. His innovative patents and collaborations highlight his dedication to enhancing optical technology. His contributions continue to influence the industry and pave the way for future advancements.