Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12327589 | Fibre optic integrated quantum memory for light | Philip J. BUSTARD, Duncan ENGLAND, Benjamin J. Sussman, Kyrylo Hnatovsky, Dan Grobnic | 2025-06-10 |
| 12259296 | Apparatus, method and system for detecting presence of a fluid | Cyril Hnatovsky, Dan Grobnic, Ping Lu, Kasthuri DE SILVA, Huimin Ding +2 more | 2025-03-25 |
| 12164144 | Fiber Bragg grating sensor in polymer-coated ultra-thin optical fibers and method for producing same | Cyril Hnatovsky, Nurmemet ABDUKERIM, Dan Grobnic, Rune LAUSTEN, Ping Lu +3 more | 2024-12-10 |
| 11703636 | Boron nitride nanotube coated optical waveguide and uses thereof | Jingwen Guan, Huimin Ding, Ping Lu, Benoit Simard | 2023-07-18 |
| 11359939 | Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same | Dan Grobnic, Robert B. Walker, Ping Lu, Huimin Ding, David COULAS +1 more | 2022-06-14 |
| 10866125 | Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same | Dan Grobnic, Robert B. Walker, Ping Lu, Huimin Ding, David COULAS +1 more | 2020-12-15 |
| 10520669 | Automated system for trans-jacket fibre Bragg grating inscription and manufacturing | Dan Grobnic, Rune LAUSTEN, Robert B. Walker, Ping Lu, Huimin Ding +2 more | 2019-12-31 |
| 10156680 | Forming an optical grating with an apparatus providing an adjustable interference pattern | Dan Grobnic, Robert B. Walker, Ping Lu, Huimin Ding, David COULAS | 2018-12-18 |
| 8768121 | Photonic filtering of electrical signals | Howard Rideout, Joe Seregelyi, Ping Lu, Stéphane Paquet, Jianping Yao +2 more | 2014-07-01 |
| 8727613 | Method and system for measuring a parameter in a high temperature environment using an optical sensor | — | 2014-05-20 |
| 8402789 | High temperature stable fiber grating sensor and method for producing same | Christopher W. Smelser, Dan Grobnic, Ping Lu, Robert B. Walker, Gino Cuglietta +2 more | 2013-03-26 |
| 8272236 | High temperature stable fiber grating sensor and method for producing same | Christopher W. Smelser, Dan Grobnic, Ping Lu, Robert B. Walker, Gino Cuglietta +2 more | 2012-09-25 |
| 7689087 | Method of changing the birefringence of an optical waveguide by laser modification of the cladding | Dan Grobnic, Christopher W. Smelser, Robert B. Walker, Ping Lu, Xiaoli Dai +2 more | 2010-03-30 |
| 7606452 | Optical fiber fundamental mode field expander | Francois Bilodeau, Bernard Y. Malo | 2009-10-20 |
| 7567734 | Ridge waveguide optical sensor incorporating a Bragg grating | Xiaoli Dai, Robert B. Walker, Chantal Blanchetiere, Claire Callender, Huimin Ding +4 more | 2009-07-28 |
| 7515792 | Method of increasing photosensitivity of glasses to ultrafast infrared laser radiation using hydrogen or deuterium | Christopher W. Smelser, Dan Grobnic, Robert B. Walker, Ping Lu, Huimin Ding +2 more | 2009-04-07 |
| 7483615 | Method of changing the refractive index in a region of a core of a photonic crystal fiber using a laser | Dan Grobnic, Huimin Ding, Robert B. Walker, Christopher W. Smelser, Ping Lu +2 more | 2009-01-27 |
| 7379643 | Optical fiber sensor based on retro-reflective fiber Bragg gratings | Dan Grobnic, Christopher W. Smelser, Robert B. Walker, Ping Lu, Huimin Ding +2 more | 2008-05-27 |
| 7245795 | Optical device incorporating a tilted bragg grating | Robert B. Walker, Ping Lu, Dan Grobnic, Xiaoli Dai, Huimin Ding +2 more | 2007-07-17 |
| 7031571 | Bragg grating and method of producing a Bragg grating using an ultrafast laser | Dan Grobnic, Christopher W. Smelser, Robert B. Walker, Ping Lu, Huimin Ding +2 more | 2006-04-18 |
| 6993221 | Bragg grating and method of producing a bragg grating using an ultrafast laser | Christopher W. Smelser, Ping Lu, Robert B. Walker, Dan Grobnic, Huimin Ding +2 more | 2006-01-31 |
| 6597839 | Method and device for reducing polarization dependence in an optical component or optical system | Derwyn C. Johnson | 2003-07-22 |
| 6374016 | Polarization insensitive grating in a planar channel optical waveguide and method to achieve the same | Jacques Albert, Francois Bilodeau, Kenneth O. Hill, Derwyn C. Johnson | 2002-04-16 |
| 6256435 | Polarization insensitive grating in a planar channel optical waveguide and method to achieve the same | Jacques Albert, Francois Bilodeau, Kenneth O. Hill, Derwyn C. Johnson | 2001-07-03 |
| 5706375 | Variable-attenuation tunable optical router | Mark Farries, Jinghui Li, Koichi Abe, Gary S. Duck | 1998-01-06 |