Company Filing History:
Years Active: 2022-2025
Title: **Koji Embutsu: Innovator in Optical Waveguide Devices**
Introduction
Koji Embutsu, located in Musashino, Japan, is a prolific inventor with a remarkable portfolio that includes 19 patents. His contributions to optical technology, particularly in the field of waveguide devices, highlight his significant impact on the industry.
Latest Patents
Among his latest patents, one notable innovation is the **Planar Optical Waveguide Device for Measuring Amplitude Phase of Squeezed Light**. This device showcases improved resistance to optical loss and enhanced stability for balanced homodyne detection systems. It incorporates an amplifier circuit that facilitates phase-sensitive amplification of squeezed light, alongside a multiplexing and demultiplexing circuit that manages the input of local oscillator light and the amplified squeezed light, resulting in optimal interference at the output.
Another significant patent is the **Wavelength Conversion Apparatus**. This invention addresses the issue of damage at the end face of optical fibers when subjected to high-power excitation light. It effectively prevents the reduction in wavelength conversion efficiency and phase-sensitive amplification gain. The apparatus uses a fundamentally innovative design that includes polarization-maintaining fibers for optimal performance.
Career Highlights
Koji Embutsu is an esteemed member of the Nippon Telegraph and Telephone Corporation. His dedication to research and development has led to breakthroughs in optical technologies, making him a valuable asset to the company and the field of innovation.
Collaborations
Embutsu collaborates with notable colleagues, including Takahiro Kashiwazaki and Takeshi Umeki. Their teamwork fosters an environment of creativity and shared expertise, which is instrumental in driving advancements in their projects.
Conclusion
In conclusion, Koji Embutsu exemplifies the spirit of innovation within the realm of optical technology. With a strong foundation of patents and collaborative efforts, he continues to pave the way for future advancements in the industry. His work is not only a testament to his ingenuity but also a significant contribution to the scientific community.