Company Filing History:
Years Active: 2016
Title: Innovations in Photonics: The Contributions of Jonathan D B Bradley
Introduction
Jonathan D B Bradley, an esteemed inventor based in Boston, MA, has made significant strides in the field of photonic devices. With a keen eye for innovation, he holds a patent for a groundbreaking technology that integrates laser systems with silicon photonic frameworks. His work not only contributes to advancements in the field but also sets a benchmark for future developments in integrated photonics.
Latest Patents
Bradley's patent focuses on photonic devices and methods for their production, titled "Photonic devices and methods of using and making photonic devices." This invention includes integrated erbium-doped waveguide lasers specifically designed for silicon photonic systems. Notably, his invention features laser cavities outlined by distributed Bragg reflectors (DBRs) crafted from silicon nitride-based waveguides. By utilizing wafer-scale immersion lithography, he successfully incorporates grating features within these DBRs. The design culminates in an inverted ridge-waveguide that achieves exceptional optical intensity overlap with the active medium for both 980 nm pump and 1.5 µm laser wavelengths, with pump-laser intensity overlaps exceeding 93%. The patent showcases output powers of 5 mW or more, demonstrating lasing capabilities at prevalent wavelengths within the erbium gain spectrum, specifically 1536, 1561, and 1596 nm.
Career Highlights
Currently affiliated with the Massachusetts Institute of Technology, Jonathan D B Bradley is at the forefront of research and innovation in the field of photonics. His career is marked by a commitment to developing advanced technologies that enhance the efficiency and functionality of photonic systems.
Collaborations
Throughout his career, Bradley has collaborated with notable colleagues, including Purnawirman Purnawirman and Michael Robert Watts. These collaborations have fostered an environment of innovation, allowing for the exchange of ideas and expertise that further enrich the research landscape.
Conclusion
Jonathan D B Bradley epitomizes the spirit of innovation within the realm of photonics. His contributions, particularly through his patented technology, demonstrate the potential of integrated systems to revolutionize the industry. As he continues his work at the Massachusetts Institute of Technology, he remains an influential figure poised to impact the future of photonic device technology.