This inventor holds 3 USPTO granted patents. Top assignees: Korea Advanced Institute of Science and Technology, Samsung Electronics Co., Ltd., Teralink Communications, Inc.. Active years: 1999-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Daejeonkwangyeok, KR (2002)
- Taejon, KR (1999 - 2007)
Company Filing History:
1 out of 2,795 
1 out of 138,670 
1 out of 4 Years Active: 1999-2007
Title: Innovations of Yun-Chur Chung
Introduction
Yun-Chur Chung is a notable inventor based in Taejon, South Korea. He has made significant contributions to the field of optical networks, holding a total of 3 patents. His work focuses on enhancing the efficiency and reliability of optical transmission systems.
Latest Patents
One of his latest patents is the "OSNR monitoring method and apparatus for the optical networks." This invention discloses a method and apparatus that automatically monitors each channel's optical signal-to-noise ratio (OSNR) using optical filter and polarization extinction methods in wavelength division multiplexing (WDM) scheme-based optical transmission systems. The OSNR is measured by comparing amplified spontaneous emission (ASE) over the signal band, while leaving signal intensity intact. This method allows for OSNR measurement over a wider range by minimizing the ratio of signal to ASE using the polarization extinction method.
Another significant patent is the "Cold-start wavelength-division-multiplexed optical transmission system." This system utilizes a synchronized etalon filter, DFB lasers, and passive optical demultiplexers. The DFB lasers are tested under normal operating conditions and wavelength-selected for each channel. The system enables each laser to automatically find its operating wavelength without prior knowledge of its operating conditions. Additionally, it adjusts the output power of each laser to a desired value, ensuring optimal performance.
Career Highlights
Yun-Chur Chung has worked with prominent companies such as Teralink Communications, Inc. and Samsung Electronics Co., Ltd. His experience in these organizations has contributed to his expertise in optical technologies and innovations.
Collaborations
Throughout his career, he has collaborated with talented individuals, including Jin-Hwan Jang and Jun-Haeng Lee. These collaborations have further enriched his work and led to advancements in optical network technologies.
Conclusion
Yun-Chur Chung's contributions to optical networks through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the field and pave the way for future developments in optical transmission systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile