Kok Wai Chang

Title: Innovator Spotlight: Kok Wai Chang

Introduction: Kok Wai Chang is a prominent inventor based in Sunnyvale, CA, with a portfolio of 30 patents to his name. His work primarily focuses on optical technologies, contributing to significant advancements in the field of laser systems and dispersion compensation.

Latest Patents: Among his notable inventions, Kok Wai Chang has developed a "Compact Monolithic Dispersion Compensator." This state-of-the-art optical signal control system is designed to generate a controlled amount of negative dispersion across a broadband input signal. The compact device can be crafted from a single material block, featuring surfaces with varying optical characteristics. With precise adjustments to the dimensions of the block and the diffraction grating line pitch, the dispersion magnitude can be tailored, resulting in laser systems that are smaller, lighter, and more resistant to misalignment compared to existing compressors.

Another groundbreaking patent is the "Systems and Methods for Controlling a Pulsed Laser by Combining Laser Signals." This ultra-short pulsed laser system includes components such as an optical combiner, amplifier, compressor, and separator. It effectively combines primary and secondary optical signals to generate an optically amplified output that can be separated into distinct signals based on their characteristics, showcasing the potential for enhanced laser performance.

Career Highlights: Throughout his career, Kok Wai Chang has held significant positions at reputable companies, including Hewlett-Packard Company and JDS Uniphase Corporation. His contributions at these institutions have played a crucial role in advancing optical technology and laser system design.

Collaborations: Kok has collaborated with esteemed colleagues, such as Yong Huang and Hongwei Mao. Their teamwork has further propelled innovations in optical signal processing and laser technologies.

Conclusion: With a rich portfolio of patents and a legacy of innovation, Kok Wai Chang stands out as a leading inventor in the optical technology sector. His groundbreaking work continues to influence new developments and improvements in laser systems, making significant contributions to the field.