Kwong-Kit Choi

Title: The Innovations of Kwong-Kit Choi

Introduction

Kwong-Kit Choi is a notable inventor based in North Plainfield, NJ (US). He has made significant contributions to the field of infrared radiation detection. His innovative work has led to the development of a unique device that enhances the capabilities of infrared detection technology.

Latest Patents

Kwong-Kit Choi holds a patent for an infrared-radiation detector device. This device is characterized by its narrow-bandwidth and high-speed capabilities. It operates based on the tunneling of photo-excited electrons out of quantum wells. When infrared radiation interacts with a superlattice of doped quantum wells, it creates intersubband resonance radiation. This process excites electrons from the ground state into an excited state, resulting in a photocurrent as the excited electrons tunnel out of the quantum wells. The device is designed to utilize Group III-V materials for manufacturing, and it features quantum well potential barriers that facilitate resonant tunneling of photocurrents, enhancing performance compared to dark current. The preferred operation of the device occurs at elevated bias voltage, which enhances the photocurrent through a quantum-well-avalanche effect.

Career Highlights

Kwong-Kit Choi is associated with American Telephone & Telegraph Co., specifically AT&T Bell Laboratories. His work at this prestigious institution has allowed him to explore and develop advanced technologies in the field of infrared detection.

Collaborations

Throughout his career, Kwong-Kit Choi has collaborated with notable colleagues, including Clyde G Bethea and Barry Franklin Levine. These collaborations have contributed to the advancement of technology in their respective fields.

Conclusion

Kwong-Kit Choi's innovative contributions to infrared radiation detection exemplify the impact of dedicated inventors in advancing technology. His patent for the infrared-radiation detector device showcases his expertise and commitment to innovation.