Patent 10197736 was granted and assigned to Chiral Photonics on February, 2019 by the United States Patent and Trademark Office.
Advantageously, at least one embodiment of the present disclosure comprises a polarization maintaining PROFA (“PM-PROFA”) coupler in which the polarization axes of the individual vanishing core waveguides thereof are oriented or aligned without the need to adjust the orientation of each individual VC waveguide.