Johan Pejnefors

Title: Innovations by Johan Pejnefors in Optical Coupling Technology

Introduction

Johan Pejnefors is a notable inventor based in Danderyd, Sweden. He has made significant contributions to the field of optical technology, particularly in the development of optical couplers. With a total of 2 patents to his name, Pejnefors has demonstrated a commitment to advancing optical communication systems.

Latest Patents

Pejnefors' latest patents include innovative designs for optical add/drop multiplexers. One of his patents describes a spectrally selective optical coupler that features a first and a second waveguide, along with an external resonator defined by mirrors. This design addresses geometrical challenges found in prior art by utilizing a curved resonator mirror or refractive elements to achieve a lateral extension of a mode within the external resonator. Another patent focuses on a new geometry and principle of action for an optical coupler, which includes an optical fiber and an external lightguide. This invention allows for the deflection of light of a predetermined wavelength into a propagating mode, facilitating the coupling of light between two optical fibers.

Career Highlights

Johan Pejnefors is currently associated with Proximion Fiber Systems AB, where he continues to innovate in the field of optical technology. His work has been instrumental in enhancing the efficiency and functionality of optical communication systems.

Collaborations

Pejnefors has collaborated with notable colleagues such as Bengt Sahlgren and Sten Helmfrid, contributing to the advancement of optical technologies through teamwork and shared expertise.

Conclusion

Johan Pejnefors is a distinguished inventor whose work in optical coupling technology has led to significant advancements in the field. His innovative patents reflect a deep understanding of optical systems and a commitment to improving communication technologies.