Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12278693 | Stretched single optical span communications system and method avoiding hazardous power levels | Kevan Peter Jones, Marco Gaudet, Francois Maurice Rheal Charron | 2025-04-15 |
| 11664921 | Rapid node insertion into or removal from a photonic network | Kevan Peter Jones, Ross Caird, Bruno Doyle, Marco Gaudet | 2023-05-30 |
| 10826601 | Optical switch with path continuity monitoring for optical protection switching | Paul Chedore, Choudhury A. Al Sayeed, Scott Kohlert, David C. Bownass | 2020-11-03 |
| 10615867 | Optical amplifier signaling systems and methods for shutoff coordination and topology discovery | Paul Chedore | 2020-04-07 |
| 10063313 | Synchronization of optical protection switching and loading of path specific characteristics | Choudhury A. Al Sayeed, Dave C. Bownass, Darren Hennigar | 2018-08-28 |
| 9806808 | Signal detection systems and methods on a fiber carrying multiple wavelengths | Michael Y. Frankel | 2017-10-31 |
| 9496980 | Method for detecting wavelength usage conflicts in an optical network | David C. Bownass, Giuseppe Bordogna | 2016-11-15 |
| 8625993 | Wavelength-switched optical add-drop multiplexer with wavelength broadcasting capability | Balakrishnan Sridhar | 2014-01-07 |
| 7512343 | Bidirectional communication system | Balakrishnan Sridhar, Michael Y. Frankel | 2009-03-31 |
| 7343096 | Method and apparatus for in-service upgrading of OADM to wavelength selective switch of higher degree | — | 2008-03-11 |
| 7092148 | Optical communication system having dynamic gain equalization | Charles Haggans, Jun Bao, Harshad Sardesai, Michael Y. Frankel, Mahir Nayfeh +1 more | 2006-08-15 |
| 7075711 | Optical communication system having dynamic gain equalization | Charles Haggans, Jun Bao, Harshad Sardesai, Michael Y. Frankel, Mahir Nayfeh +1 more | 2006-07-11 |
| 7054562 | Method and system for suppressing ASE on a WDM network | Sridhar Balakrishnan | 2006-05-30 |
| 6795607 | Use of tunable laser for optical performance monitoring in WDM system | Jean-Luc Archambault, Michael Y. Frankel | 2004-09-21 |
| 6765659 | Optical supervisory channel apparatus and method for measuring optical properties | Balakrishnan Sridhar, Michael Y. Frankel, Prasad Dasika | 2004-07-20 |
| 6532087 | Multiple signal Q-tester | Michael J. Ransford, Minh Nguyen, Michael Taylor, Jeffrey C. Livas | 2003-03-11 |
| 6351322 | Q detection circuit | Michael J. Ransford, Michael Taylor, Jeffrey C. Livas, Minh Nguyen | 2002-02-26 |