Quan Le

Title: Innovations of Inventor Quan Le

Introduction

Quan Le is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of optical communication, holding two patents that showcase his innovative approach to technology. His work primarily focuses on enhancing the performance of optical receivers through advanced signal processing techniques.

Latest Patents

One of Quan Le's latest patents is the "Digital automatic gain control apparatus and method in burst mode optical receiver." This invention involves a transimpedance amplifier that converts burst current signals into differential output voltage signals. The amplifier employs a multi-level digital AGC mechanism, allowing it to rapidly adapt to varying burst signal amplitudes. Additionally, it features an adaptive level detection method that eliminates the need for an ADC, enhancing efficiency. The selective reset generation scheme enables the amplifier to perform burst mode operations without external reset signals, making it suitable for integration with optical detectors.

Another significant patent is the "Burst-mode optical receiver and timing control method." This invention includes a transimpedance amplifier that converts single current information signals into voltage signals. It also features a differential signal converter and an automatic offset control limiting amplifier, which work together to manage and amplify the offset of the differential signals. The gain controller generates a control signal based on the intensity of burst packets, optimizing the gain value of the TIA. Furthermore, a burst detector identifies burst packets and generates timing signals for their processing.

Career Highlights

Quan Le has worked with the Electronics and Telecommunications Research Institute, where he contributed to various research projects. He has also been involved with the Research and Industrial Cooperation Group, furthering his expertise in optical communication technologies.

Collaborations

Throughout his career, Quan Le has collaborated with notable colleagues, including Jong Deog Kim and Ho-Yong Kang. Their combined efforts have led to advancements in the field of optical communication.

Conclusion

Quan Le's innovative patents and contributions to optical communication demonstrate his expertise and commitment to advancing technology. His work continues to influence the development of efficient optical receivers, showcasing the importance of innovation in this field.