| 12160306 |
Automatic optical link calibration of amplified optical links |
Choudhury A. Al Sayeed, David Atkinson, Scott Kohlert |
2024-12-03 |
$40,692,000 |
| 11990934 |
Handling band spectrum failures in a C+L band photonic line system |
Choudhury A. Al Sayeed, Yanping Xu |
2024-05-21 |
$15,117,000 |
| 11962401 |
Reducing connection validation (CV) time in an optical node |
Jean-Luc Archambault, Edward Chen, Paul Chedore, Choudhury A. Al Sayeed, David Miedema |
2024-04-16 |
$18,094,000 |
| 11902724 |
Resolving control conflicts among trunk protection links |
Choudhury A. Al Sayeed, Edward Chen, Joanne Wakefield |
2024-02-13 |
$61,881,000 |
| 11777634 |
Bundling capacity changes in channel holder based optical links |
Choudhury A. Al Sayeed, Yanping Xu |
2023-10-03 |
$7,951,000 |
| 11770193 |
Mitigating instability in cascaded optical power controllers |
Loren Berg, Bing Liu |
2023-09-26 |
$10,440,000 |
| 11652545 |
Avoiding fiber damage on non-supervisory optical fiber links |
Choudhury A. Al Sayeed, Jean-Yves Levesque, Bing Liu |
2023-05-16 |
$16,619,000 |
| 11553262 |
Resolving control conflicts among trunk protection links |
Choudhury A. Al Sayeed, Edward Chen, Joanne Wakefield |
2023-01-10 |
$7,948,000 |
| 11456814 |
Automatic optical link calibration with channel holders |
Choudhury A. Al Sayeed, David Atkinson, Scott Kohlert |
2022-09-27 |
$22,735,000 |
| 11223423 |
Re-calibrating an in-service optical multiplex section (OMS) |
Choudhury A. Al Sayeed, Robert Palmer |
2022-01-11 |
$24,980,000 |
| 11108489 |
Reducing connection validation (CV) time in an optical node |
Jean-Luc Archambault, Edward Chen, Paul Chedore, Choudhury A. Al Sayeed, David Miedema |
2021-08-31 |
$23,095,000 |
| 10965373 |
Handling band spectrum failures in a C+L band photonic line system |
Choudhury A. Al Sayeed, Yanping Xu |
2021-03-30 |
$24,219,000 |
| 10868614 |
Optical power replacement for faulted spectrum in channel holder based optical links |
Choudhury A. Al Sayeed, David W. Boertjes, Scott Kohlert |
2020-12-15 |
$31,534,000 |
| 10826601 |
Optical switch with path continuity monitoring for optical protection switching |
Vipul Bhatnagar, Paul Chedore, Choudhury A. Al Sayeed, Scott Kohlert |
2020-11-03 |
$6,444,000 |
| 10686543 |
Time and margin constrained routing, spectrum, and restoration speed assignment in optical networks |
Choudhury A. Al Sayeed, Dave Atkinson, Khaled Maamoun |
2020-06-16 |
$33,242,000 |
| 10680737 |
Bundling capacity changes in channel holder based optical links |
Choudhury A. Al Sayeed, Yanping Xu |
2020-06-09 |
$12,250,000 |
| 10547404 |
Automatic optical link calibration with channel holders |
Choudhury A. Al Sayeed, Dave Atkinson, Scott Kohlert |
2020-01-28 |
$62,449,000 |
| 10361957 |
Predicting optical spectral profiles in advance of capacity changes in optical networks |
Alex W. MacKay, Choudhury A. Al Sayeed |
2019-07-23 |
$65,386,000 |
| 9973295 |
Systems and methods for channel additions over multiple cascaded optical nodes |
Choudhury A. Al Sayeed, Loren Berg, David W. Boertjes |
2018-05-15 |
$14,486,000 |
| 9806803 |
Frequency offset detection and correction in optical spectrum measurement systems |
Bing Liu, Alex W. MacKay, Choudhury A. Al Sayeed |
2017-10-31 |
$3,710,000 |
| 9774392 |
Systems and methods using a polarimeter to localize state of polarization transients on optical fibers |
David R. Doucet, Douglas W. Charlton, Maurice O'Sullivan, Joanne Wakefield |
2017-09-26 |
$6,557,000 |
| 9729265 |
Network based onsite support |
Dane Hurley, David W. Boertjes |
2017-08-08 |
$27,323,000 |
| 9577763 |
Spectrum controller systems and methods in optical networks |
Choudhury A. Al Sayeed, David W. Boertjes, Shiyu Gao |
2017-02-21 |
$6,630,000 |
| 9496980 |
Method for detecting wavelength usage conflicts in an optical network |
Vipul Bhatnagar, Giuseppe Bordogna |
2016-11-15 |
$7,108,000 |
| 9419708 |
Live monitoring of raman and fiber degradation in DWDM networks using in-service OTDR |
Mohammad Mehdi Mansouri Rad, Loren Berg, David W. Boertjes, Jean-Luc Archambault |
2016-08-16 |
$14,174,000 |