H04B 10/2569
Due to polarisation mode dispersion [pmd]
Official title: due to polarisation mode dispersion [PMD]
H04B10/2569 (Due to polarisation mode dispersion [pmd]) appears on 378 US grants and 347 published applications in this corpus.
Search patents in H04B- Granted patents
- 378
- Published applications
- 347
- Assignees
- 159
- Inventors
- 694
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 9 |
| 2002 | 23 | 43 |
| 2003 | 23 | 37 |
| 2004 | 27 | 36 |
| 2005 | 27 | 24 |
| 2006 | 32 | 13 |
| 2007 | 26 | 14 |
| 2008 | 19 | 14 |
| 2009 | 14 | 22 |
| 2010 | 11 | 11 |
| 2011 | 17 | 13 |
| 2012 | 13 | 12 |
| 2013 | 9 | 10 |
| 2014 | 17 | 7 |
| 2015 | 13 | 4 |
| 2016 | 9 | 9 |
| 2017 | 10 | 6 |
| 2018 | 6 | 10 |
| 2019 | 10 | 7 |
| 2020 | 6 | 5 |
| 2021 | 4 | 8 |
| 2022 | 11 | 13 |
| 2023 | 8 | 8 |
| 2024 | 10 | 5 |
| 2025 | 4 | 3 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polarization-diversity optical power supply28 Apr 2026US 12,615,091 B2Ciena Corporation
- I/Q coding method for WDM communication system over optical fibre24 Mar 2026US 12,587,302 B2Mimopt Technology
- Full control of polarisation in fibre delivered light for harsh environments25 Nov 2025US 12,483,330 B2National Research Council of Canada
- System and method for reducing polarization dependent loss in an optical link11 Nov 2025US 12,470,296 B2Huawei Technologies Co., Ltd.
- Control device, compensation device, program, and control method29 Jul 2025US 12,375,178 B2Meiji University
- Coherent optical receiver for selectively supporting single and dual polarization mode and an operating method of the coherent optical receiver17 Sep 2026US 2026/0280717 A1Electronics and Telecommunications Research Institute
- Apparatus and method for polarization sensing27 Aug 2026US 2026/0254535 A1Nokia Solutions and Networks Oy
- Apparatus and method for equalizer training in a coherent receiver27 Aug 2026US 2026/0254680 A1Nokia Solutions and Networks Oy
- Systems and methods for improving performance and reliability of a fiber optic network30 Apr 2026US 2026/0121741 A1Lumetec Inc.
- Optical transmission line monitoring device and optical transmission line monitoring method1 May 2025US 2025/0141543 A1Fujitsu Limited
Most cited
By later US patents
- Polarization mode dispersion compensation269US 6,271,952 B1Nortel Networks Limited · 2001
- Method and apparatus for automatic compensation of first-order polarization mode dispersion (PMD)131US 5,930,414 ALucent Technologies Inc. · 1999
- Method and system for testing a tunable chromatic dispersion, dispersion slope, and polarization mode dispersion compensator utilizing a virtually imaged phased array127US 6,441,959 B1Avanex Corporation · 2002
- Variable delay device for an optical component such as a polarization mode dispersion compensator95US 6,417,948 B1Corning Incorporated · 2002
- Optical transmission system73US 5,949,560 ANorthern Telecom Limited · 1999