Demin Yao

Title: Demin Yao: Innovator in Optical Communication Technologies

Introduction

Demin Yao is a prominent inventor based in Ottawa, Canada, known for his significant contributions to the field of optical communication technologies. With a total of five patents to his name, Yao has developed innovative methods and systems that enhance the efficiency and reliability of digital subcarrier systems.

Latest Patents

Among his latest patents is the "Perturbative-based nonlinear compensation for digital subcarrier systems." This invention includes methods, systems, and apparatuses, including computer programs encoded on computer storage media, for applying non-linearity to digital subcarriers. The receiver in this system features a detector circuit that receives an optical signal carrying data, along with a carrier recovery estimation circuit that generates compensated data by correcting errors. Additionally, the invention includes a non-linear coefficient estimation circuit that estimates non-linear coefficients, which are then transmitted over an optical network to improve signal quality.

Another notable patent is the "Out-of-band communication channel for point-to-multi-point communications." This patent describes techniques for implementing an out-of-band communication channel used to exchange control channel information in sub-carrier-based optical communication systems. The transmitter in this system includes a laser, a digital signal processor, and modulator driver circuitry, which work together to supply modulated optical signals carrying both user data and control information.

Career Highlights

Demin Yao has worked with leading companies in the technology sector, including Huawei Technologies Co., Limited and Infinera Corporation. His experience in these organizations has allowed him to refine his expertise in optical communication and contribute to groundbreaking advancements in the field.

Collaborations

Throughout his career, Yao has collaborated with notable professionals, including Mahdi Zamani and Hossein Najafi. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Demin Yao's work in optical communication technologies exemplifies the impact of innovative thinking in enhancing digital communication systems. His patents reflect a commitment to advancing the field and improving the efficiency of data transmission.