Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12212360 | Spatially resolved monitoring of cable perturbations using multichannel information | — | 2025-01-28 |
| 12111204 | Extending dynamic acoustic sensing range and localization in undersea cables using loopbacks | Alexei N. Pilipetskii, Dmitri Foursa, Georg Heinrich Mohs, Jin-Xing Cai | 2024-10-08 |
| 11923651 | Gain equalization in C+L erbium-doped fiber amplifiers | Dmitri Foursa, Alexei N. Pilipetskii, Gregory M. Wolter | 2024-03-05 |
| 11914040 | Spatially resolved perturbation detection using line monitoring system | Alexei N. Pilipetskii | 2024-02-27 |
| 11785364 | Self-healing submarine links | — | 2023-10-10 |
| 11611393 | Spatially resolved monitoring of cable perturbations using multichannel information | — | 2023-03-21 |
| 11415481 | Line monitoring system having heterodyne coherent detection | — | 2022-08-16 |
| 10374725 | Power delivery in submarine optical communication systems using power feed converters | — | 2019-08-06 |
| 10135221 | Spatial division multiplexed optical communication systems and amplifiers for the same | Yu Sun, Oleg V. Sinkin, Alexei N. Pilipetskii, Dmitri Foursa | 2018-11-20 |
| 9967051 | Efficient optical signal amplification systems and methods | Sheng Zhang, Dmitri Foursa | 2018-05-08 |
| 9929813 | Optical communication system and method using a nonlinear reversible code for probablistic constellation shaping | Hussam G. Batshon | 2018-03-27 |
| 9900105 | Coded modulation with amplitude and phase-shift keying having a circular constellation for variable spectral efficiency | Hussam G. Batshon | 2018-02-20 |
| 9825726 | Efficient optical signal amplification systems and methods | Dmitri Foursa, Sheng Zhang | 2017-11-21 |
| 9712252 | Adaptive equalizer with coefficients determined using groups of symbols to compensate for nonlinear distortions in optical fiber communications | Oleg V. Sinkin, Hongbin Zhang | 2017-07-18 |
| 9281655 | Transmission link with multiple order Raman pumps | Gregory Cowle | 2016-03-08 |
| 9069135 | Optical depolarizer | Wei Xiong | 2015-06-30 |
| 8995048 | Apparatus and method for controlling gain profile of an optical amplifier | Gregory Cowle | 2015-03-31 |
| 8699125 | Reconfigurable optical amplifier | Gregory Cowle | 2014-04-15 |
| 8462430 | Optical fiber amplifier and a control method therefor | Gregory Cowle | 2013-06-11 |
| 8233214 | Optical fiber amplifier and a control method therefor | Gregory Cowle, Barrie Keyworth, Peter David Roorda | 2012-07-31 |
| 7969647 | Apparatus and method for flattening gain profile of an optical amplifier | Gregory Cowle | 2011-06-28 |
| 7715092 | Dynamic raman tilt compensation | Nicholas King | 2010-05-11 |
| 7289735 | Apparatus for emitting light with controllable degree of polarization | Nicholas King | 2007-10-30 |
| 6882664 | Laser with internally coupled pump source | Paul F. Wysocki | 2005-04-19 |
| 6801308 | Method and apparatus for measuring chromatic dispersion in optical fibers | Martin Achtenhagen, Idan Mandelbaum | 2004-10-05 |