Charles Mao

Title: The Innovative Contributions of Charles Mao

Introduction

Charles Mao is a prominent inventor based in Plano, Texas, known for his significant contributions to optical networking technologies. With a total of seven patents to his name, Mao has made remarkable advancements in the field, particularly in the development of reconfigurable service rings and optical nodes.

Latest Patents

Mao's latest patents include a reconfigurable service ring and method for operation in optical networks. This invention proposes an optical reconfigurable service ring (RSR) architecture based on a RSR channel and WDM channel plan matrix. It provides WDM wavelength networking functionalities such as provisional wavelength services, optical circuit switching, optical layer packet switching, optical storage switching, and optical layer packet routing. In one embodiment, sixteen wavelengths are dynamically switched, routed, or distributed among five optical add/drop nodes using narrowly wavelength tunable transmitters and fixed optical add/drop multiplexer modules. Another notable patent involves an optical node that includes a three-stage optical amplifier with automatic gain and level control. This optical node is designed for operation in an ultra-long haul backbone network, providing DWDM optical transmission and wavelength networking functionalities. It features capabilities for amplification, dispersion compensation, and add/drop functionalities, with three erbium-doped fiber amplifiers (EDFA) cascaded using low nonlinearity and low loss dispersion compensating modules (DCM).

Career Highlights

Throughout his career, Charles Mao has worked with notable companies, including Avanex Corporation. His work has significantly impacted the optical networking industry, leading to advancements that enhance the efficiency and functionality of fiber networks.

Collaborations

Mao has collaborated with esteemed colleagues such as Lintao Zhang and Guohua Xiao, contributing to the development of innovative technologies in optical networking.

Conclusion

Charles Mao's contributions to optical networking through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence advancements in technology, showcasing the importance of innovation in enhancing communication networks.