Company Filing History:
13 out of 84 
2 out of 115 
1 out of 851 
Years Active: 1996-2004
Title: The Innovative Contributions of Jingyu Xu
Introduction
Jingyu Xu is a prominent inventor based in San Jose, California, known for his significant contributions to optical technology. With a total of 16 patents to his name, Xu has made remarkable advancements in the field of optics, particularly in the development of devices that enhance signal processing and transmission.
Latest Patents
Among his latest inventions is the Loop Optical Circulator, which features a four-port design that allows for the efficient routing of optical beams. This device incorporates a walk-off crystal that generates vertical optical path displacement for vertically polarized beams while maintaining the path for horizontally polarized beams. Additionally, it includes a vertical displacement device that shifts the optical path along a vertical direction, ensuring precise control over the transmitted beams.
Another notable invention is the Miniature Variable Attenuator, which provides an improved method for filtering optical signals. This device utilizes a single GRIN lens to expand and collimate the optical signals, passing them through a variable filter before reflecting them back through the lens. The attenuation level can be easily adjusted and monitored using a potentiometer, making it a versatile tool for optical applications.
Career Highlights
Jingyu Xu has worked with several reputable companies throughout his career, including E-Tek Dynamics, Inc. and Oplink Communications, Inc. His experience in these organizations has allowed him to refine his skills and contribute to cutting-edge optical technologies.
Collaborations
Throughout his career, Xu has collaborated with notable colleagues such as Jing-Jong J Pan and Ming M Shih. These partnerships have fostered innovation and have led to the development of advanced optical solutions.
Conclusion
Jingyu Xu's contributions to the field of optics are significant and impactful. His inventions, particularly the Loop Optical Circulator and Miniature Variable Attenuator, showcase his expertise and commitment to advancing optical technology. As an inventor, Xu continues to inspire future innovations in the industry.