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US 10,761,271 B2Granted
Polarization maintaining optical fiber array
AssigneeChiral Photonics, Inc.
InventorVictor Il'ich Kopp
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Abstract
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.
Claims20
An optical coupler array, comprising:
- an optical element having a first end configured to receive light, the optical element further having a second end operable to optically couple with an optical device, the optical element comprising a plurality of longitudinal waveguides;
- linear to circular polarization converters disposed before the plurality of longitudinal waveguides, the converters configured to receive linearly polarized light and transmit circularly polarized light to the plurality of longitudinal waveguides;
- and
- a quarter wave retarder disposed at the second end configured to receive the circularly polarized light from the plurality of longitudinal waveguides and transmit linearly polarized light to the optical device,
- wherein the plurality of longitudinal waveguides comprises at least one vanishing core waveguide.
2 more elements
Dependencies are inferred from the claim text.