Company Filing History:
Years Active: 1986-1989
Title: Innovations of Jia-Ming Liu
Introduction
Jia-Ming Liu is a prominent inventor based in Arlington, MA (US). He has made significant contributions to the field of optoelectronics, holding a total of 5 patents. His work focuses on developing advanced semiconductor technologies that enhance optical systems.
Latest Patents
One of his latest patents is the "Optically controlled semiconductor waveguide interferometer apparatus." This invention features a Mach-Zehnder interferometer constructed from semiconductor laser materials. It includes a first optoelectronic switching means that is coupled across a first voltage potential and one of the optical paths of the interferometer. The first optoelectronic switching means has a first gap, while a second optoelectronic switching means is coupled across a second voltage potential and the other optical path, also featuring a respective gap. Light pulses are applied to these gaps to control the index of refraction of the optical paths, allowing modulation of the output intensity of the interferometer.
Another notable patent is the "Optical logic and memory apparatus." This invention describes a complete set of optical logic gates and circuits based on direct polarization switching, as well as various types of optical flip-flops based on polarization bistability in semiconductor lasers. By operating the laser in a direct polarization switchable mode, logic gates such as inverter, AND, NAND, OR, and NOR can be created using two optoelectronic switches or photodetectors. When the laser operates in polarization bistable mode, clocked optical flip-flops can function with a few optoelectronic switches or photodetectors.
Career Highlights
Jia-Ming Liu is currently employed at GTE Laboratories Incorporated, where he continues to innovate in the field of optoelectronics. His work has significantly advanced the understanding and application of optical technologies in various industries.
Collaborations
Some of his notable coworkers include Ying C Chen and Ying-Chih Chen, who have collaborated with him on various projects and patents.
Conclusion
Jia-Ming Liu's contributions to optoelectronics through his innovative patents demonstrate his expertise and commitment to advancing technology. His work continues to influence the field and inspire future innovations.