Kouji Enbutsu

Title: Kouji Enbutsu: Innovator in Optical Technologies

Introduction

Kouji Enbutsu is a prominent inventor based in Atsugi, Japan. He has made significant contributions to the field of optical technologies, holding three patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is an optical amplifier that utilizes optical mixing through a nonlinear optical effect to amplify signal light. This phase-sensitive amplifier includes two second-order nonlinear optical elements. The first element generates second harmonic light used as pump light, while the second element multiplexes the signal light with the second harmonic light, allowing for effective parametric amplification.

Another notable patent is for an optical fiber designed with a zero-material dispersion wavelength of 2 μm or greater. This fiber employs tellurite glass, which offers high thermal stability for low-loss fiber processing. The design incorporates a photonic crystal fiber (PCF) structure that enables light to propagate with minimal loss. The geometry of air holes within the core region allows for control over the zero dispersion wavelength, achieving significant nonlinearity.

Career Highlights

Kouji Enbutsu is affiliated with Nippon Telegraph and Telephone Corporation, where he continues to push the boundaries of optical technology. His work has been instrumental in advancing telecommunications and enhancing signal processing capabilities.

Collaborations

He has collaborated with notable colleagues, including Atsushi Mori and Masao Kato, contributing to various projects that leverage their combined expertise in optical innovations.

Conclusion

Kouji Enbutsu's contributions to optical technologies through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in telecommunications and optical systems.