Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12133032 | Optical switch with integrated fast protection | Iwan Kartawira, Manveer Singh, Mohan Rao G. Lingampalli | 2024-10-29 |
| 12107680 | Monitoring burst errors in forward error correction frames | Qiang Wang, Pradeep Swargam, Iwan Kartawira, Manveer Singh, Mohan Rao G. Lingampalli | 2024-10-01 |
| 12028660 | Cascaded optical switch | Iwan Kartawira, Manveer Singh, Qiang Wang, Mohan Rao G. Lingampalli | 2024-07-02 |
| 11637637 | Hybrid compensation of chromatic dispersion in optical networks | Qiang Wang, Iwan Kartawira, Manveer Singh, Mohan Rao G. Lingampalli | 2023-04-25 |
| 10374704 | Raman amplifier system and method with integrated optical time domain reflectometer | Jean-Luc Archambault, Jun Bao | 2019-08-06 |
| 10263386 | Four-wave mixing reduction due to raman pumps in optical communication systems | Jean-Luc Archambault, Loren Berg | 2019-04-16 |
| 10237633 | Systems and methods for modular deployment and upgrade of multiple optical spectrum bands in optical transmission systems | Paul Chedore, Jean-Luc Archambault | 2019-03-19 |
| 9793986 | Raman amplifier system and method with integrated optical time domain reflectometer | Jean-Luc Archambault, Jun Bao | 2017-10-17 |
| 9148710 | Raman amplifier system and method with integrated optical time domain reflectometer | Jean-Luc Archambault, Jun Bao | 2015-09-29 |
| 9065247 | Differentiation of power and channel count changes in optically amplified links | Michael Y. Frankel, Jay R. Simpson | 2015-06-23 |
| 8885248 | Raman amplifier gain compression systems and methods based on signal power monitoring | Jun Bao | 2014-11-11 |
| 8873135 | Extended dynamic range optical amplifier | Jun Bao | 2014-10-28 |
| 8867912 | Optical service channel systems and methods over high loss links | Jun Bao | 2014-10-21 |
| 8625993 | Wavelength-switched optical add-drop multiplexer with wavelength broadcasting capability | Vipul Bhatnagar | 2014-01-07 |
| 8606108 | Dispersion slope compensation and dispersion map management systems and methods | — | 2013-12-10 |
| 8373926 | Differentiation of power and channel count changes in optically amplified links | Michael Y. Frankel, Jay R. Simpson | 2013-02-12 |
| 7826748 | Systems and methods for adaptive gain control to compensate OSNR penalty caused by side-lobe of MEMS-based reconfigurable optical add-drop multiplexers | Xiaohui Yang | 2010-11-02 |
| 7634194 | Multi-channel protection switching systems and methods for increased reliability and reduced cost | Michael Y. Frankel | 2009-12-15 |
| 7512343 | Bidirectional communication system | Michael Y. Frankel, Vipul Bhatnagar | 2009-03-31 |
| 7400443 | Method and apparatus for optical amplifying device gain control with gain threshold | Jun Bao | 2008-07-15 |
| 7369300 | Optical amplifier pre-emphasis and equalization method and optical communications system incorporating same | Michael Y. Frankel | 2008-05-06 |
| 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 |
| 6904241 | Power balanced optical add multiplexer and power balancing methods therefore | James E. DeGrange, Jr. | 2005-06-07 |
| 6900931 | Three-stage optical amplifier having flat spectral gain | Clark Scrandis, James E. DeGrange, Jr., Michael Taylor, Jun Bao | 2005-05-31 |