Xu Yi

Title: Xu Yi: Innovator in Microwave-Frequency Technology

Introduction

Xu Yi is a prominent inventor based in Pasadena, California. He has made significant contributions to the field of microwave-frequency technology, holding a total of 2 patents. His work focuses on developing advanced systems that enhance the performance and stability of microwave-frequency sources.

Latest Patents

One of Xu Yi's latest patents is a stabilized microwave-frequency source. This innovative device comprises a dual optical-frequency reference source, an electro-optic sideband generator, an optical bandpass filter, an optical detector, a reference oscillator, an electrical circuit, and a voltage-controlled oscillator (VCO). The sideband generator modulates dual optical reference signals to generate sideband signals. The bandpass filter transmits these sideband signals, while the optical detector generates a beat note. The processed signals create a loop-filtered error signal that is input to the VCO, ultimately producing a stable microwave-frequency output signal. This technology significantly reduces phase noise, enhancing the reliability of microwave-frequency applications.

Career Highlights

Xu Yi has worked with prestigious organizations, including the California Institute of Technology and the Government of the United States of America, as represented by the Secretary of Commerce. His experience in these institutions has allowed him to develop and refine his innovative technologies.

Collaborations

Some of Xu Yi's notable coworkers include Kerry J. Vahala and Scott A. Diddams. Their collaboration has contributed to advancements in the field of microwave-frequency technology.

Conclusion

Xu Yi's contributions to microwave-frequency technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for future innovations.