Shih-Cheng Wang

Title: Shih-Cheng Wang: Innovator in Optical Communication Technologies

Introduction

Shih-Cheng Wang is a prominent inventor based in Cupertino, CA, known for his contributions to optical communication technologies. With a total of 6 patents, he has made significant advancements in the field, particularly in the development of transimpedance amplifiers and luminescent detectors.

Latest Patents

One of Wang's latest patents is a transimpedance amplifier with automatic current control. This invention involves a method that receives an input electrical-current signal at the amplifier, which includes both a photodetector current and a DC cancellation current. The amplifier performs transimpedance amplification to produce an output voltage signal that corresponds to the input signal. Additionally, a current-control circuit provides the DC cancellation current based on the output voltage signal.

Another notable patent is for a luminescent detector designed for free-space optical communication. This apparatus utilizes a photoluminescent wavelength-shifting material to receive an input-light data signal, absorb part of it, and emit a new light data signal at a different wavelength. The design includes a focusing element to concentrate the emitted-light data signal, which is then detected by a photodetector that produces an electrical current corresponding to the concentrated signal.

Career Highlights

Shih-Cheng Wang is currently employed at Facebook, Inc., where he continues to innovate and develop cutting-edge technologies. His work has significantly impacted the field of optical communication, enhancing data transmission capabilities.

Collaborations

Wang collaborates with notable colleagues, including Tobias Gerard Tiecke and Kevin Jerome Quirk, contributing to a dynamic and innovative work environment.

Conclusion

Shih-Cheng Wang's contributions to optical communication technologies through his patents and work at Facebook, Inc. highlight his role as a leading inventor in the field. His innovative approaches continue to shape the future of communication technology.