Company Filing History:
Years Active: 2022-2024
Title: Innovations by Wen-Jr Jiang in Electro-Optical Modulation
Introduction
Wen-Jr Jiang is a notable inventor based in San Jose, CA, who has made significant contributions to the field of electro-optical modulation. With a total of 2 patents, his work focuses on enhancing the performance and efficiency of Mach-Zehnder modulators.
Latest Patents
Wen-Jr Jiang's latest patents include a method and apparatus for bias control with a large dynamic range for Mach-Zehnder modulators. This innovation describes improved dither detection, measurement, and voltage bias adjustments for an electro-optical modulator. The electro-optical modulator generally includes RF electrodes and phase heaters interfaced with semiconductor waveguides on the arms of Mach-Zehnder interferometers. A processor is connected to output a bias tuning voltage to the electro-optical modulator for controlling optical modulation. Additionally, a variable gain amplifier (VGA) can be configured with AC coupling to receive a signal from a transimpedance amplifier (TIA), which amplifies a photodetector signal from an optical tap used to measure an optical signal with a dither signal. The analog to digital converter (ADC) can be connected to receive output from the VGA, while the processor can receive the signal from the ADC and output the bias tuning voltage based on the evaluation of the signal from the tap.
Career Highlights
Wen-Jr Jiang is currently employed at Neophotonics Corporation, where he continues to innovate in the field of optical technologies. His work has been instrumental in advancing the capabilities of electro-optical devices.
Collaborations
Some of his notable coworkers include Mark J Dayel and Jianying Zhou, who contribute to the collaborative environment at Neophotonics Corporation.
Conclusion
Wen-Jr Jiang's contributions to electro-optical modulation through his patents and work at Neophotonics Corporation highlight his role as a key innovator in the field. His advancements are paving the way for future developments in optical technologies.
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