Location History:
- Ottawa, CA (2002 - 2016)
- Nepean, CA (2016 - 2024)
Company Filing History:
25 out of 2,644 
4 out of 68 
1 out of 46 
Years Active: 2002-2025
Title: Innovations and Contributions of John William Mitchell Rogers
Introduction
John William Mitchell Rogers, based in Nepean, Canada, is an accomplished inventor with a remarkable portfolio of 32 patents to his name. His contributions primarily span the fields of optical technology and power amplification, showcasing his expertise and commitment to advancing technology.
Latest Patents
Among his latest inventions is a groundbreaking patent for an optical receiver comprising a monolithically integrated photodiode and transimpedance amplifier. This innovative design includes a pin photodiode (PIN) and a transimpedance amplifier (TIA), both fabricated from a specially engineered epitaxial layer stack. The integration of the PIN with the TIA helps minimize capacitance, optimizing device performance for applications such as a 1577 nm receiver for Optical Network Units (ONU) in 10G-PON systems.
Another significant patent focuses on apparatus and methods for oscillation suppression in cascode power amplifiers. This invention includes a cascode power amplifier with multiple transconductance devices combined with cascode devices to enhance the amplification of radio frequency input signals. The clever bias circuit utilized in this design provides distinct bias voltages that effectively prevent oscillation, ensuring high-performance amplification.
Career Highlights
John has worked with prominent companies in the tech industry, including Skyworks Solutions, Inc. and Sige Semiconductor, Inc. His tenure in these organizations has empowered him to lead innovative projects that contribute substantially to the advancement of optical and radio frequency technologies.
Collaborations
Throughout his career, John has collaborated with talented coworkers, including Mackenzie Brian Cook and Alexander John Heaslip Ross. These partnerships have likely fostered a creative environment that encourages the development of cutting-edge inventions and patents.
Conclusion
John William Mitchell Rogers is a notable figure in the realm of innovation, with a substantial number of patents reflecting his expertise. His recent work on optical receivers and power amplifiers underscores his significant contributions to technological advancement, solidifying his legacy as an influential inventor in his field.