Company Filing History:
Years Active: 2024
Title: Yusuke Shigeta: Innovator in Optical Communication Technology
Introduction
Yusuke Shigeta is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of optical communication technology, holding a total of 2 patents. His work focuses on enhancing the efficiency and functionality of optical receivers and transmitters.
Latest Patents
One of Yusuke Shigeta's latest patents is an optical receiver that includes an optical filter designed to transmit signal light from wavelength-multiplexed signal light. This invention features a light source that outputs local oscillation light, a 90-degree hybrid circuit for interference, a converter for transforming interference signal light into an electrical data signal, a spectrum detector for analyzing the frequency spectrum, and a controller that adjusts the optical filter's passband based on the frequency spectrum's shape.
Another notable patent is for an optical transmitter, which comprises an electro-optic modulator, a monitor circuit for output light, and a processor that manages the bias voltage of the modulator. This processor utilizes a monitoring result to superimpose two dither signals of different frequencies onto one bias voltage, calculates control errors, and determines the necessary control value for optimal performance.
Career Highlights
Yusuke Shigeta is currently employed at Fujitsu Corporation, where he continues to innovate in the field of optical communication. His work has been instrumental in advancing technologies that improve data transmission and communication efficiency.
Collaborations
Yusuke collaborates with talented coworkers, including Kosuke Komaki and Shoichi Murakami. Their combined expertise contributes to the development of cutting-edge technologies in their field.
Conclusion
Yusuke Shigeta's contributions to optical communication technology through his patents and work at Fujitsu Corporation highlight his role as a key innovator in the industry. His inventions are paving the way for advancements in communication systems.