G02B 6/278
Controlling polarisation mode dispersion [pmd]
Official title: {Controlling polarisation mode dispersion [PMD], e.g. PMD compensation or emulation (PMD minimised transmission systems H04B10/2569)}
G02B6/278 (Controlling polarisation mode dispersion [pmd]) appears on 138 US grants and 110 published applications in this corpus.
Search patents in G02B- Granted patents
- 138
- Published applications
- 110
- Assignees
- 80
- Inventors
- 315
- Latest grant
- 11 Oct 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
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| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 4 |
| 2002 | 10 | 16 |
| 2003 | 18 | 35 |
| 2004 | 18 | 14 |
| 2005 | 18 | 8 |
| 2006 | 15 | 6 |
| 2007 | 6 | 3 |
| 2008 | 7 | 5 |
| 2009 | 4 | 4 |
| 2010 | 4 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 1 |
| 2014 | 0 | 2 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Bi-refringence compensated waveguides11 Oct 2022US 11,464,412 B2Medlumics S. L.
- Bi-refringence compensated waveguides3 Nov 2020US 10,820,806 B2Medlumics S. L.
- Fibre-optic communication based on dual-rail and polarization encoding25 Feb 2020US 10,574,449 B2Nokia Technologies Oy
- Fiber nonlinearity mitigation using strong mode coupling and large modal delay3 Sep 2019US 10,401,564 B2NEC Corporation
- Polarization dispersion adder and optical receiver2 Jul 2019US 10,338,316 B2NEC Corporation
- Bi-refringence compensated waveguides29 Apr 2021US 2021/0121069 A1Medlumics S. L.
- Bi-refringence compensated waveguides27 Jun 2019US 2019/0192005 A1Medlumics S. L.
- Fiber nonlinearity mitigation using strong mode coupling and large modal delay11 Apr 2019US 2019/0107671 A1NEC Laboratories America, Inc.
- Fibre-optic communication based on dual-rail and polarization encoding19 Apr 2018US 2018/0109379 A1Nokia Technologies Oy
- Polarization dispersion adder and optical receiver7 Sep 2017US 2017/0254957 A1NEC Corporation
Most cited
By later US patents
- 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
- Arrayed-wave guide grating multi/demultiplexer with loop-back optical paths100US 5,414,548 ANippon Telegraph and Telephone Corporation · 1995
- Method and apparatus for compensating dispersion of polarization68US 5,473,457 ANEC Corporation · 1995
- Polarization-independent optical switch/attenuator54US 5,276,747 AE-Tek Dynamics, Inc. · 1994
- Apparatus and method for polarization mode dispersion emulation and compensation54US 6,538,787 B1Lucent Technologies Inc. · 2003