Dug Bong Kim

Title: The Innovations of Dug Bong Kim

Introduction

Dug Bong Kim is a notable inventor based in Gwangju-si, South Korea. He has made significant contributions to the field of optical devices, holding a total of 3 patents. His work focuses on hybrid integrated structures and optical filters, showcasing his expertise in advanced optical technologies.

Latest Patents

One of his latest patents is titled "Hybrid integrated structure of one or more optical active devices and PLC device using optical fiber array." This invention provides a hybrid integrated structure that combines an optical active device with a Planar Lightwave Circuit (PLC) device. It features the integration of photodiodes on an upper cladding layer above planar optical waveguides. The design includes a section on the boundary surface between output optical waveguides, which is ground to an inclined angle relative to the optical axis. Additionally, the patent describes the arrangement of optical fibers and reflection mirrors in V-shaped trenches within the output optical fiber array.

Another significant patent is the "Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same." This invention addresses the control of sidelobe characteristics in optical filters by optimizing the optical coupling efficiency between waveguides. By employing a selective area growth method, the thickness of the growth layer can be controlled, leading to improved optical coupling efficiency and enhanced filter characteristics.

Career Highlights

Dug Bong Kim has worked with prominent organizations, including the Electronics and Telecommunications Research Institute. His experience in these institutions has allowed him to develop and refine his innovative ideas in optical technology.

Collaborations

Throughout his career, Dug Bong Kim has collaborated with notable colleagues such as Chan Yong Park and Seung Won Lee. These partnerships have contributed to the advancement of his research and inventions.

Conclusion

Dug Bong Kim's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative work continues to impact the development of advanced optical devices.