Hiroshi Goto

Title: Hiroshi Goto: Innovator in Optical Technologies

Introduction

Hiroshi Goto is a prominent inventor based in Isehara, Japan. He has made significant contributions to the field of optical technologies, holding a total of 4 patents. His work focuses on enhancing the performance and evaluation methods of optical amplifiers and tunable wavelength light sources.

Latest Patents

Hiroshi Goto's latest patents include an optical amplifier evaluation method and an external-cavity tunable wavelength light source using a semiconductor laser. The optical amplifier evaluation method involves modulating light output from a light source into a rectangular optical signal, which is then applied to an optical fiber amplifier. This method allows for precise measurement of the gain and noise figure of the optical fiber amplifier by analyzing light intensities during specific periods. The external-cavity tunable wavelength light source enables tuning of the oscillation wavelength by adjusting the current injected into the phase adjustment area of the laser and the rotation angle of a diffraction grating. This innovative approach allows for effective laser oscillation at a wavelength determined by the external cavity's longitudinal mode.

Career Highlights

Hiroshi Goto has worked with notable companies such as Anritsu Corporation and Nippon Telegraph and Telephone Corporation. His experience in these organizations has contributed to his expertise in optical technologies and innovation.

Collaborations

Hiroshi Goto has collaborated with talented individuals in his field, including Hiroaki Ohtateme and Hiroaki Endoh. These collaborations have likely fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Hiroshi Goto's contributions to optical technologies through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the field, paving the way for advancements in optical amplification and wavelength tuning.