Inventor · Ottawa, ON, CA

Patrick Dumais

23Patents
7h-index
21Co-inventors
69Inventor score

Filing activity: May 16, 1994 → Jun 1, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5479546A Optimized non-linear effect tapered optical fiber interferometer/switch device Physics 22 Expired
US9927575B2 Optical coupling using polarization beam displacer Physics 20 Active
US7471866B2 Waveguiding structures with embedded microchannels and method for fabrication thereof Physics 19 Active
US9709738B1 Waveguide crossing Physics 16 Active
US10359569B2 Optical waveguide termination having a doped, light-absorbing slab Physics 13 Active
US10126572B2 Automatic endless polarization controller for a silicon-on-insulator platform Physics 12 Active
US10613276B2 Optical scanner with optically switched paths to multiple surface or edge couplers Physics 8 Active
US5710848A Optimized non-linear effect tapered optical fiber and method of making same Physics 7 Expired
US10901089B2 Coherent LIDAR method and apparatus Physics 6 Active
US10677987B1 Polarization independent photonic device having multimode component Physics 5 Active
US10921453B2 Liquid crystal on silicon (LCOS) lidar scanner with multiple light sources Physics 4 Active
US9491120B2 Method for crosstalk and power optimization in silicon photonic based switch matrices Electricity 3 Active
US9400354B2 Waveguide polarization rotator and method of construction thereof Physics 3 Active
US9456260B2 Method for crosstalk and power optimization in silicon photonic based switch matrices Electricity 2 Active
US10527792B2 Spiral optical waveguide termination Physics 2 Active
US9746617B2 Optical switches with surface grating couplers and edge couplers Physics 1 Active
US9946023B2 Optical attenuator and fabrication method thereof Emerging Cross-Sectional Technologies 1 Active
US10866359B2 Apparatus and methods for accommodating manufacturing variance in optical photonic integrated circuits Physics 1 Active
US10620371B2 Waveguide crossing having rib waveguides Physics 0 Active
US9638981B2 Optical switch with improved switching efficiency Physics 0 Active
US9684131B2 Apparatus and method for an optical switch having a 2×1 multi-mode interferometer and photodetector Physics 0 Active
US10965370B2 Optical performance monitor Electricity 0 Active
US11598848B2 Optical pulse clipper for lidar Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.