Company Filing History:
Years Active: 2003-2010
Title: Yifei Li: Innovator in Optical Technologies
Introduction
Yifei Li is a prominent inventor based in Norwood, PA (US), known for his contributions to optical technologies. He holds a total of 4 patents, showcasing his innovative approach to solving complex problems in the field.
Latest Patents
One of his latest patents is titled "Optical domain frequency down-conversion of microwave signals." This invention features a linear phase demodulator/down-converter that includes an optical amplitude modulator, a photo-detector, a loop filter, and an optical phase modulator. The system allows for optical down conversion and up conversion, performing linear phase demodulation entirely in the optical domain. Another significant patent is the "Photonic phase locked loop detector/discriminator." This invention enables the optical transmission of electromagnetic signals with high sensitivity and an extremely high dynamic range, surpassing the capabilities of current optical intensity modulated systems. Information is encoded on an optical carrier using phase modulation or frequency modulation, which is then demodulated into an accessible form through the PPLL.
Career Highlights
Yifei Li has worked with notable organizations such as F&H Applied Science Associates, Inc. and Drexel University. His experience in these institutions has contributed to his expertise in optical technologies and innovations.
Collaborations
Some of his notable coworkers include Peter R Herczfeld and David K Yoo, who have collaborated with him on various projects in the field of optical engineering.
Conclusion
Yifei Li's work in optical technologies has led to significant advancements in the field, as evidenced by his patents and collaborations. His innovative spirit continues to drive progress in optical communications and related technologies.