This inventor holds 2 USPTO granted patents and 1 published patent application. Top assignee: Shandong Normal University. Active years: 2023-2024.
Company Filing History:
Years Active: 2023-2024
Title: Innovations of Zhanghua Han in Nonlinear Waveguide Technology
Introduction
Zhanghua Han is a prominent inventor based in Jinan, China. He has made significant contributions to the field of nonlinear optics, particularly in the development of hybrid waveguide technologies. With a total of 2 patents, his work showcases innovative methods that enhance the capabilities of optical devices.
Latest Patents
Zhanghua Han's latest patents include a method for building an etching-free hybrid nonlinear waveguide composed of polymer and ion-implanted nonlinear crystal. This method involves pretreating a nonlinear crystal and subjecting it to ion implantation to create an ion-implanted nonlinear crystal. The process includes spin-coating the crystal with a photoresist, followed by electron beam exposure, heating, and developing, resulting in a hybrid optical waveguide.
Another notable patent is a method to build a monolithic ring-shape frequency converter on potassium titanyl phosphate (KTP) water. This invention outlines a six-step process for fabricating a KTP nonlinear racetrack micro-ring resonator. The method simplifies the procedure, reduces costs, and produces a micro-ring resonator with a significantly higher optical damage threshold compared to existing technologies. This innovation is particularly suitable for applications involving pulsed lasers.
Career Highlights
Zhanghua Han is affiliated with Shandong Normal University, where he continues to advance research in nonlinear optics. His work has garnered attention for its practical applications and innovative approaches to complex optical systems.
Collaborations
Zhanghua has collaborated with notable colleagues, including Chen Chen and Shengkun Yao, contributing to the advancement of research in their field.
Conclusion
Zhanghua Han's contributions to nonlinear waveguide technology reflect his dedication to innovation and research. His patents not only enhance the understanding of optical systems but also pave the way for future advancements in the field.