| 12381648 |
Probabilistic constellation shaping for point-to-multipoint optical fiber communication systems employing subcarriers |
— |
2025-08-05 |
|
| 12057934 |
Methods and apparatus for sub-carrier interleaving to improve overall forward error correction |
Sandy Thomson, Sofia Amado, Aroutchelvame Mayilavelane, Scott Pringle, Ahmed Awadalla +3 more |
2024-08-06 |
$18,570,000 |
| 12047163 |
Out-of-band communication channel for point-to-multi-point communications |
Syed Muhammad Bilal, Demin Yao, Xiang Chen, Han Henry Sun, Byungyoon Min +3 more |
2024-07-23 |
$20,554,000 |
| 11950031 |
Transmission impairment compensation in point-to-multipoint communication systems |
Syed Muhammad Bilal, Scott Pringle, Mehdi Karimi, William Isaac |
2024-04-02 |
$18,052,000 |
| 11550547 |
Random noise generation |
Mohammad Ali Sedaghat, Andreas Bisplinghoff, Gregory Bryant |
2023-01-10 |
$84,240,000 |
| 11424833 |
Digital resampling method and apparatus |
— |
2022-08-23 |
$60,096,000 |
| 11101890 |
Unequal spacing on multilevel signals |
Marco Mazzini, Alberto Cervasio, Matthew J. Traverso |
2021-08-24 |
$48,537,000 |
| 11018777 |
Digital resampling method and apparatus |
— |
2021-05-25 |
$36,630,000 |
| 10720995 |
Unequal spacing on multilevel signals |
Marco Mazzini, Alberto Cervasio, Matthew J. Traverso |
2020-07-21 |
$56,158,000 |
| 10491295 |
Optical transceiver compensation, monitoring and alarming |
Soeren Gehrke, Johann B. Schiessl |
2019-11-26 |
$38,234,000 |
| 10122470 |
Clock recovery for optical transmission systems |
— |
2018-11-06 |
$63,454,000 |
| 9991953 |
Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers |
Thomas Duthel |
2018-06-05 |
$25,460,000 |
| 9967027 |
Optical transceiver compensation, monitoring and alarming |
Soeren Gehrke, Johann B. Schiessl |
2018-05-08 |
$34,016,000 |
| 9935720 |
Control of LO signal frequency offset between optical transmitters and receivers |
Thomas Duthel, Joerg Leykauf, Karsten Michaelsen |
2018-04-03 |
$31,905,000 |
| 9876566 |
Optical transceiver compensation, monitoring and alarming |
Soeren Gehrke, Johann B. Schiessl |
2018-01-23 |
$34,113,000 |
| 9735888 |
Control of LO signal frequency offset between optical transmitters and receivers |
Thomas Duthel, Joerg Leykauf, Karsten Michaelsen |
2017-08-15 |
$22,866,000 |
| 9419726 |
Clock recovery for optical transmission systems |
— |
2016-08-16 |
$25,339,000 |
| 8655196 |
Phase control circuit and method for optical receivers |
— |
2014-02-18 |
$36,819,000 |
| 7680420 |
Optical E-field modulation using a directly driven laser |
Dave Walker, Kim B. Roberts, Maurice O'Sullivan, Leo Strawczynski, James Whiteaway +2 more |
2010-03-16 |
|
| 7272327 |
Multi-detector detection of optical signals |
Richard E. Epworth, Peter Anslow |
2007-09-18 |
$7,174,000 |
| 7209670 |
Polarization diversity receiver for optical transmission system |
Richard E. Epworth, Alan Robinson |
2007-04-24 |
$15,724,000 |
| 6674566 |
Raman amplification |
Nigel Jolley |
2004-01-06 |
$65,420,000 |
| 6624928 |
Raman amplification |
Jowan Masum-Thomas, Andrew Maroney, Richard D. Thomas |
2003-09-23 |
$30,662,000 |
| 6556343 |
Optical fiber device |
Kevin J Cordina, Jonathan King |
2003-04-29 |
$82,000 |
| 6452716 |
Amplitude modulation of a pump laser signal in a distributed raman amplifier |
David W. Park, Vincent Handerek |
2002-09-17 |
$16,864,000 |
