Qingyun Liu

Title: Innovations by Qingyun Liu in Optical Networking

Introduction

Qingyun Liu is an accomplished inventor based in Round Rock, TX (US). She has made significant contributions to the field of optical networking, particularly in the development of technologies that enhance the functionality of reconfigurable optical add/drop multiplexer (ROADM) networks. With a total of 2 patents, her work is pivotal in addressing challenges within this advanced technology sector.

Latest Patents

Qingyun Liu's latest patents include innovative solutions for alarm correlation and ticketing in ROADM networks. The first patent focuses on creating a graph of ROADM network elements based on data from multiple components. This system allows a ROADM controller to retrieve and associate alarms with network elements, effectively identifying the root cause of failures by eliminating irrelevant alarms. The second patent introduces a mechanism to detect unstable wavelength channels, which limits their impact on the overall ROADM network. This method involves measuring optical channel power, recording threshold crossing events, and removing unstable wavelengths when necessary.

Career Highlights

Qingyun Liu is currently employed at AT&T Intellectual Property I, LP, where she continues to innovate in the field of optical networking. Her expertise and dedication have led to advancements that improve network reliability and performance.

Collaborations

Qingyun has collaborated with notable colleagues, including Philip Wisseman and Balagangadhar Bathula, who have contributed to her research and development efforts.

Conclusion

Qingyun Liu's contributions to optical networking through her patents and work at AT&T Intellectual Property I, LP highlight her role as a leading inventor in this field. Her innovative solutions are essential for the advancement of ROADM technologies.