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Years Active: 2017-2025
Title: Liqiang Yu: Innovator in Optical Signal Modulation
Introduction
Liqiang Yu is a prominent inventor based in Shenzhen, China. He has made significant contributions to the field of optical signal modulation, holding a total of 3 patents. His work focuses on enhancing the efficiency and performance of optical communication systems.
Latest Patents
Liqiang Yu's latest patents include an "Optical Signal Modulation Circuit and Apparatus" and a "Carrier Density-Based Tunable Filter." The optical signal modulation circuit features a laser (DFB), a modulator (EAM), and an operational amplifier. This innovative circuit generates a photon-generated current (i) and establishes a linear relationship between the second input voltage (V) and the photon-generated current (i) of the EAM, resulting in a high-linearity EML transmission curve. The carrier density-based tunable filter comprises a first distributed Bragg reflector (DBR) layer, a second DBR layer, and an intrinsic semiconductor layer. This design allows the optical filter to provide a passband wavelength based on the carrier density of the intrinsic semiconductor layer.
Career Highlights
Liqiang Yu has worked with notable companies such as Future Wei Technologies, Inc. and Huawei Technologies Co., Limited. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Some of his coworkers include Jianmin Gong and Xuejin Yan, who have collaborated with him on various projects in the field of optical signal modulation.
Conclusion
Liqiang Yu is a distinguished inventor whose work in optical signal modulation has paved the way for advancements in communication technologies. His patents reflect his commitment to innovation and excellence in the field.