Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278693 | Stretched single optical span communications system and method avoiding hazardous power levels | Vipul Bhatnagar, Marco Gaudet, Francois Maurice Rheal Charron | 2025-04-15 |
| 11927807 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Robert W. Keys | 2024-03-12 |
| 11664921 | Rapid node insertion into or removal from a photonic network | Vipul Bhatnagar, Ross Caird, Bruno Doyle, Marco Gaudet | 2023-05-30 |
| 11531165 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Robert W. Keys | 2022-12-20 |
| 11444715 | Optical protection switch with broadcast multi-directional capability | — | 2022-09-13 |
| 11432434 | Apparatus and method for modifying airflow of a network element | Cindy Lee, Michael Bishop | 2022-08-30 |
| 11411365 | System-level optical amplifier efficiency performance metric | David W. Boertjes, Damian Flannery | 2022-08-09 |
| 11296811 | Optical multicast switch with broadcast capability | — | 2022-04-05 |
| 11272269 | Integrated band splitter for scaling dual-band ROADM | Paul Chedore, Jean-Luc Archambault, David W. Boertjes | 2022-03-08 |
| 11128394 | Systems and methods for optical protection switch with single-ended activation, operation, and provision of 1+1 protection over redundant bidirectional communications paths | — | 2021-09-21 |
| 11063683 | Scalable ROADM architecture with multi-plane switching | Loren Berg | 2021-07-13 |
| 10985859 | Optical protection switch with broadcast multi-directional capability | — | 2021-04-20 |
| 10979788 | Methods and apparatus for a colorless directionless and super-channel contentionless (CDSC) optical network architecture | Robert W. Keys | 2021-04-13 |
| 10866364 | Systems, methods, and apparatus for optical transceiver with multiple switch state configurations | Robert W. Keys | 2020-12-15 |
| 10735125 | Optical multicast switch with broadcast capability | — | 2020-08-04 |
| 10644824 | Wavelength provisioning for customer premise equipment (CPE) in dense wavelength-division multiplex (DWDM) networks | Gert Grammel | 2020-05-05 |
| 10511401 | Optical protection switch with broadcast multi-directional capability | — | 2019-12-17 |
| 10368149 | Methods and apparatus for a colorless directionless and super-channel contentionless (CDsC) optical network architecture | Robert W. Keys | 2019-07-30 |
| 10277353 | Wavelength provisioning for customer premise equipment (CPE) in dense wavelength-division multiplex (DWDM) networks | Gert Grammel | 2019-04-30 |
| 10027435 | Channel wavelength assignment with transient reduction | John Peter Guy, Peter David Roorda, Alan Glen Solheim, Greg Peter Friesen | 2018-07-17 |
| 8995833 | Channel wavelength assignment with transient reduction | John Peter Guy, Peter David Roorda, Alan Glen Solheim, Greg Peter Friesen | 2015-03-31 |
| 8942565 | Wavelength assignment in an optical WDM network | Alan Glen Solheim, Peter David Roorda, Greg Peter Friesen | 2015-01-27 |
| 8811822 | System and method for selection of ghost channels for mitigating polarization hole burning | Denis Leclair, Sean D. L. McVeigh, Jean V. E. Ouellet, Douglas J. Greenwood, John Mills +1 more | 2014-08-19 |
| 8670664 | System and method for managing the selection of ghost channels for mitigating polarization hole burning | Denis Leclair, Sean D. L. McVeigh, Jean V. E. Ouellet, Douglas J. Greenwood, John Mills +1 more | 2014-03-11 |
| 8542992 | System and method for mitigating polarization hole burning | Denis Leclair, Sean D. L. McVeigh, Jean V. E. Ouellet, Douglas J. Greenwood, John Mills +1 more | 2013-09-24 |