Lijing Cheng

Title: Lijing Cheng: Innovator in Raman Fiber Amplification

Introduction

Lijing Cheng is a prominent inventor based in Wuhan, China. He has made significant contributions to the field of optical fiber technology, particularly in the area of Raman fiber amplifiers. With a total of two patents to his name, Cheng's work focuses on enhancing the performance and control of these amplifiers.

Latest Patents

Cheng's latest patents include a "Method and system for controlling Raman fiber amplifier" and a "Method, device and system for dynamically controlling gain of Raman optical fiber amplifier." The first patent outlines a method that involves calculating expected output power and actual output power of a pump, utilizing a combination of feedforward and multi-closed loop feedback control to improve control precision and response speed. The second patent describes a method for dynamically controlling the gain of a Raman optical fiber amplifier, ensuring quick response to changes in input optical signals while maintaining gain stability.

Career Highlights

Lijing Cheng is currently employed at Accelink Technologies Co., Ltd., where he continues to innovate in the field of optical communications. His work has been instrumental in advancing the technology behind Raman fiber amplifiers, which are crucial for enhancing signal strength in optical networks.

Collaborations

Cheng has collaborated with notable colleagues such as Hao Kai Zhang and Chengpeng Fu. Their combined expertise has contributed to the successful development of advanced technologies in optical fiber amplification.

Conclusion

Lijing Cheng's contributions to the field of Raman fiber amplification demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of optical technology and a drive to improve communication systems.