H04B 10/6161
Compensation of chromatic dispersion
Official title: {Compensation of chromatic dispersion}
H04B10/6161 (Compensation of chromatic dispersion) appears on 267 US grants and 282 published applications in this corpus.
Search patents in H04B- Granted patents
- 267
- Published applications
- 282
- Assignees
- 80
- Inventors
- 463
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 4 | 7 |
| 2010 | 2 | 17 |
| 2011 | 5 | 17 |
| 2012 | 14 | 20 |
| 2013 | 13 | 17 |
| 2014 | 21 | 12 |
| 2015 | 24 | 18 |
| 2016 | 19 | 20 |
| 2017 | 29 | 19 |
| 2018 | 23 | 19 |
| 2019 | 21 | 18 |
| 2020 | 19 | 16 |
| 2021 | 20 | 14 |
| 2022 | 13 | 18 |
| 2023 | 13 | 9 |
| 2024 | 8 | 8 |
| 2025 | 9 | 12 |
| 2026 | 5 | 11 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Chromatic dispersion optical time domain reflectometry on submarine communication cables using coherent optical transponders14 Jul 2026US 12,683,687 B2Infinera Corporation
- Optical receiving apparatus and optical receiving method using changing coefficient values for fast fourier transform30 Jun 2026US 12,671,498 B2NTT, Inc.
- Decoding method using polarization time block coding and decoding device for performing the method5 May 2026US 12,621,059 B2Electronics and Telecommunications Research Institute
- Method and system for mitigating adverse effects of a gas absorption line in coherent optical communication systems17 Mar 2026US 12,580,662 B2Ciena Corporation
- Signal processing apparatus, signal processing method and communication system3 Feb 2026US 12,542,613 B2NTT, Inc.
- Method and system for adjusting overlap ratio between fast fourier transform (fft) blocks8 Oct 2026US 2026/0312856 A1Ciena Corporation
- Apparatus and method for equalizer training in a coherent receiver27 Aug 2026US 2026/0254680 A1Nokia Solutions and Networks Oy
- Adaptive equalization circuit, adaptive equalization device, receiver, and adaptive equalization method30 Jul 2026US 2026/0222077 A1Ntt Innovative Devices Corporation
- Systems and methods for time domain equalization enhanced phase noise (eepn) tracking and compensation16 Jul 2026US 2026/0205204 A1Ciena Corporation
- Systems and methods for equalization enhanced phase noise (eepn) tracking and compensation9 Jul 2026US 2026/0197089 A1Ciena Corporation
Most cited
By later US patents
- Low conversion rate digital dispersion compensation90US 7,701,842 B2Nortel Networks Limited · 2010
- Location specific optical monitoring64US 7,376,358 B2Nortel Networks Limited · 2008
- Optical field receiver and optical transmission system59US 8,184,992 B2Hitachi, Ltd. · 2012
- Optical receiver57US 8,478,137 B2Fujitsu Limited · 2013
- System and method for coherent detection of optical signals55US 8,437,645 B2Google Inc. · 2013