Johathan Albert Cox

Title: Johathan Albert Cox: Semiconductor Photonics Inventor

Introduction

Johathan Albert Cox is an inventor associated with Albuquerque, New Mexico, and Sandia Corporation. His patent work concerns semiconductor photonic waveguides and methods for producing strain in these devices.

Latest Patents

Cox is credited with 1 patent: “Methods of Producing Strain in a Semiconductor Waveguide and Related Devices.” The invention describes quasi-phase-matched semiconductor photonic waveguides with alternating sections designed to provide different levels of optical coupling. These sections may use different material states, such as crystalline and amorphous regions, or corrugated sections with different widths. The disclosed waveguides can be implemented in silicon-on-insulator, germanium-on-silicon, or silicon-on-sapphire structures, including designs compatible with standard CMOS processes.

Career Highlights

Cox’s patent reflects work at the intersection of semiconductor engineering and photonics. Its proposed approaches use strain and periodically patterned waveguide sections to control optical coupling in device structures.

Collaborations

Cox’s listed coworker is Peter Thomas Rakich. The patent description focuses on waveguide designs and does not specify individual contributions by the listed coworkers.

Conclusion

Johathan Albert Cox’s patent documents an approach to engineering strain and optical coupling in semiconductor waveguides, with potential implementations across several established semiconductor platforms.