G02F 1/0139
Polarisation scrambling devices
Official title: {Polarisation scrambling devices; Depolarisers}
G02F1/0139 (Polarisation scrambling devices) appears on 52 US grants and 38 published applications in this corpus.
Search patents in G02F- Granted patents
- 52
- Published applications
- 38
- Assignees
- 40
- Inventors
- 99
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 2 |
| 2004 | 0 | 2 |
| 2005 | 3 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 5 |
| 2011 | 2 | 0 |
| 2012 | 4 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Techniques for providing a swept wavelength (SW) measurement for acquiring polarization dependent loss (PDL) in a single scan16 Jul 2024US 12,038,346 B2Viavi Solutions Inc.
- Polarization scrambler using a retardance element11 Jun 2024US 12,007,631 B2Viavi Solutions Inc.
- Polarization scrambler using a retardance element12 Sep 2023US 11,754,862 B2Viavi Solutions Inc.
- Lightguide optical element for polarization scrambling7 Feb 2023US 11,573,371 B2Lumus Ltd.
- Polarization scrambler using a retardance element13 Dec 2022US 11,526,035 B2Viavi Solutions Inc.
- Polarization scrambler using a retardance element18 Jan 2024US 2024/0019721 A1Viavi Solutions Inc.
- Integrated metasurfaces for free-space wavefront generation with complete amplitude, phase, and polarization control16 Nov 2023US 2023/0367144 A1The Trustees of Columbia University in the City of New York
- Polarization scrambler using a retardance element6 Apr 2023US 2023/0105391 A1Viavi Solutions Inc.
- Techniques for providing a swept wavelength (sw) measurement for acquiring polarization dependent loss (pdl) in a single scan8 Dec 2022US 2022/0390322 A1Viavi Solutions Inc.
- Lightguide optical element for polarization scrambling20 Jan 2022US 2022/0019018 A1Lumus Ltd.
Most cited
By later US patents
- Apparatus for polarization-independent optical polarization scrambler and a method for use therein47US 6,618,513 B2FiberControl · 2003
- Thermally switched reflective optical shutter39US 7,755,829 B2RavenBrick LLC · 2010
- Polarization insensitive optical signal reception34US 5,031,236 ABritish Telecommunications Public Ltd.Co. · 1991
- High-speed polarization scrambler with adjustable chirp22US 5,611,005 ALucent Technologies Inc. · 1997
- Thermally switched reflective optical shutter22US 8,072,672 B2RavenBrick LLC · 2011