Company Filing History:
Years Active: 2005
Title: Koichiro Nakamura: Innovator in Optical Measurement Technologies
Introduction
Koichiro Nakamura is a prominent inventor based in Sendai, Japan. He has made significant contributions to the field of optical measurement technologies, particularly in the measurement of group velocity dispersion and polarization mode dispersion. With a total of 2 patents, his work has advanced the understanding and application of optical fibers in various technologies.
Latest Patents
Nakamura's latest patents include a group velocity dispersion measuring device and a polarization mode dispersion measuring device. The group velocity dispersion measuring device is designed to measure group velocity dispersion (GVD) efficiently. It features an FSF laser for generating frequency chirp light, an optical amplifier for amplifying this light, and a photodetector for receiving light before and after its propagation through an optical fiber. The device calculates GVD values by observing beat signals generated between chirp lights before and after propagation.
The polarization mode dispersion measuring device employs a similar approach, utilizing an FSF laser and an optical amplifier. It includes an offset circuit, a beam splitter, and an analyzer to retrieve polarization components from light waves after they propagate through the optical fiber. This device measures variations in beat frequency to determine the polarization mode dispersion (PMD) value.
Career Highlights
Koichiro Nakamura is affiliated with the Japan Science and Technology Agency, where he continues to innovate in the field of optical technologies. His work has been instrumental in enhancing the performance and reliability of optical communication systems.
Collaborations
Nakamura has collaborated with notable colleagues, including Hiromasa Ito and Masato Yoshida, contributing to various projects and advancements in optical measurement technologies.
Conclusion
Koichiro Nakamura's contributions to optical measurement technologies have established him as a key figure in the field. His innovative patents and ongoing work at the Japan Science and Technology Agency continue to influence advancements in optical communications.