This inventor holds 3 USPTO granted patents. Top assignees: Agere Systems Inc., Lsi Corporation, Triquint Technology Holding Co.. Active years: 2004-2008.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:



Years Active: 2004-2008
Title: The Innovative Contributions of Jianjun Yu
Introduction
Jianjun Yu is a notable inventor based in Murray Hill, NJ (US). He has made significant contributions to the field of optical data transmission and switching, holding a total of 3 patents. His work has advanced the technology used in fiber optics, enhancing the efficiency and effectiveness of data transmission.
Latest Patents
Jianjun Yu's latest patents include innovative methods and apparatus for optical data transmission over standard fiber. These methods improve optical signal transmission results by utilizing a combination of negative chirp, low extinction ratio, and self-phase modulation transmission techniques. The patents also describe the use of pre-transmission signal distortion, which can be introduced by controlling a modulator with a large symmetric AC signal or a smaller non-symmetric AC signal. This pre-transmission distortion helps counteract some of the distortion introduced during signal transmission over optical fiber.
Another significant patent by Yu involves methods and apparatus for optical switching. This invention describes a time slot switch that performs switching in the optical domain without the need for optical-electrical-optical (O-E-O) conversion. The time slot switching device can be part of a larger switching system capable of handling wavelength division multiplexing (WDM) and time division multiplexing (TDM) signals.
Career Highlights
Throughout his career, Jianjun Yu has worked with prominent companies such as Triquint Technology Holding Co. and LSI Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Jianjun Yu has collaborated with notable professionals in his field, including Keisuke Kojima and Naresh Chand. These collaborations have likely enriched his work and led to further advancements in optical technologies.
Conclusion
Jianjun Yu's contributions to optical data transmission and switching have made a significant impact on the field. His innovative patents and career achievements highlight his role as a leading inventor in optical technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile