Brian J Kelly

Title: Brian J Kelly: Innovator in Semiconductor Laser Technology

Introduction

Brian J Kelly is a notable inventor based in Dublin, Ireland. He has made significant contributions to the field of semiconductor laser technology. His innovative work has led to the development of a unique patent that enhances the performance characteristics of laser devices.

Latest Patents

Brian J Kelly holds a patent for a semiconductor laser and method of manufacture. The patent describes a laser comprising a lasing cavity with a lasing medium and primary optical feedback means in the form of a facet at either end of the cavity. The laser cavity defines a longitudinally extending optical path, and secondary optical feedback means are formed by a plurality of refractive index perturbations in the laser cavity. Each perturbation defines two interfaces, characterized in that, for at least one perturbation, only one of the two interfaces contributes to optical feedback along the optical path. This invention relaxes the lithographic tolerances for making single longitudinal mode devices and improves performance characteristics.

Career Highlights

Brian J Kelly is associated with Eblana Photonics Limited, where he continues to work on advancing laser technology. His expertise in semiconductor lasers has positioned him as a key figure in the industry.

Collaborations

He has collaborated with notable colleagues, including John A Patchell and James Christopher O'Gorman, contributing to various projects and innovations in the field.

Conclusion

Brian J Kelly's contributions to semiconductor laser technology exemplify the impact of innovative thinking in the field of optics. His patent reflects a significant advancement that could influence future developments in laser devices.