Youn Seon Jang

Title: Youn Seon Jang: Innovator in Optical Technology

Introduction

Youn Seon Jang is a prominent inventor based in Daejeon, South Korea. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on enhancing the performance and efficiency of optical systems.

Latest Patents

One of his latest patents is an "Apparatus for and method of controlling optical interferometer." This invention provides a method for controlling an optical interferometer by setting the thermoelectric cooler (TEC) temperature to room temperature. It involves obtaining an optimal temperature based on the difference between two output powers of the optical interferometer and applying an optimal heat voltage to stabilize the system.

Another notable patent is the "Apparatus and method for performing electrically band-limited optical differential phase shift keying modulation." This invention relates to a system that transmits phase differences between adjacent bits as information. The apparatus includes a light source, a Non-Return-to-Zero (NRZ) signal generator, a pre-coder, an electrical low pass filter, and a phase modulator, all working together to modulate an optical signal into a Differential Phase Shift Keying (DPSK) signal.

Career Highlights

Youn Seon Jang is affiliated with the Electronics and Telecommunications Research Institute, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of optical communication systems.

Collaborations

He has collaborated with notable coworkers such as Kwang Joon Kim and Jin Soo Han, contributing to various projects that enhance optical technology.

Conclusion

Youn Seon Jang's contributions to optical technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in optical systems and communication technologies.