Location History:
- Zephyr Cove, CA (US) (2004)
- Zephyr Cove, NV (US) (1989 - 2010)
Company Filing History:
Years Active: 1989-2010
Title: The Innovations of Peter S. Guilfoyle
Introduction
Peter S. Guilfoyle is a notable inventor based in Zephyr Cove, NV (US). He holds a total of 12 patents that showcase his contributions to the field of semiconductor technology. His work has significantly advanced the understanding and application of distributed Bragg reflectors and polarization control in VCSEL waveguide grating couplers.
Latest Patents
One of his latest patents is titled "Method for semiconductor compositional grading to realize low-resistance, distributed Bragg reflectors." This patent describes a method of manufacturing a distributed Bragg reflector (DBR) in group III-V semiconductor compounds, which improves both optical and electrical characteristics. The process involves sequential exposure of a substrate to predetermined combinations of elemental sources to produce a pair of DBR layers of compound alloys, along with a graded region that includes additional layers of intermediate alloy composition.
Another significant patent is "Polarization control using diffraction gratings in VCSEL waveguide grating couplers." This invention provides a VCSEL waveguide grating coupler where a first and second mirror define a resonant cavity. The waveguide includes a first grating to couple light of a first polarization mode into the waveguide, while a second orthogonal grating enhances the light coupled to the waveguide by creating a loss difference between the two polarization modes.
Career Highlights
Peter S. Guilfoyle has made substantial contributions to the field of optics and semiconductor technology through his work at Opticomp Corporation. His innovative approaches have led to advancements that are crucial for the development of modern optical devices.
Collaborations
He has collaborated with notable colleagues such as Frederick F. Zeise and Duane Louderback, further enhancing the impact of his work in the industry.
Conclusion
Peter S. Guilfoyle's innovative patents and contributions to semiconductor technology highlight his role as a leading inventor in the field. His work continues to influence advancements in optical devices and semiconductor applications.