Company Filing History:
Years Active: 2020-2025
Title: Innovations of William A. Hagley
Introduction
William A. Hagley is a prominent inventor based in Ottawa, Canada. He has made significant contributions to the field of electro-absorption modulated lasers and related technologies. With a total of 5 patents to his name, his work has advanced the capabilities of optical data center interconnect applications.
Latest Patents
Hagley's latest patents focus on vertically integrated electro-absorption modulated lasers and methods of fabrication. These patents disclose innovative designs for electro-absorption modulators (EAM) and monolithically integrated electro-absorption modulated lasers (EML). The technology features vertically stacked waveguides for a distributed feedback (DFB) laser, an EAM, and a passive output waveguide. These components are vertically integrated and optically coupled using laterally tapered vertical optical couplers. This design offers improved reliability for high power operation over extended lifetimes, providing an alternative to conventional butt-coupling methods. The EML may also include integrated electronic circuitry, such as driver and control electronics for the DFB laser and EAM. This integration allows for high-speed electro-optical control loops, enabling advanced modulation schemes like PAM-4 and DP-QPSK.
Career Highlights
William A. Hagley is associated with Electrophotonic Inc., where he continues to innovate in the field of photonics. His work has been instrumental in developing technologies that enhance the performance and reliability of optical systems.
Collaborations
Hagley has collaborated with notable colleagues, including Gudmundur A. Hjartarson and Lawrence E. Tarof. Their combined expertise has contributed to the advancement of their projects and innovations.
Conclusion
William A. Hagley's contributions to the field of electro-absorption modulated lasers demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of optical technologies and their applications in modern data centers.