G02B 6/02109
Having polarization sensitive features
Official title: {having polarization sensitive features, e.g. reduced photo-induced birefringence}
G02B6/02109 (Having polarization sensitive features) appears on 75 US grants and 52 published applications in this corpus.
Search patents in G02B- Granted patents
- 75
- Published applications
- 52
- Assignees
- 53
- Inventors
- 149
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
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| 1991 | 1 | 0 |
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| 1996 | 5 | 0 |
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| 2000 | 2 | 0 |
| 2001 | 9 | 4 |
| 2002 | 9 | 7 |
| 2003 | 8 | 10 |
| 2004 | 8 | 7 |
| 2005 | 4 | 2 |
| 2006 | 4 | 1 |
| 2007 | 3 | 5 |
| 2008 | 4 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining distributed birefringence variations in a polarization-maintaining optical fiber20 Jan 2026US 12,529,623 B2Huawei Technologies Canada Co., Ltd.
- Chinese knot-like porous fiber core ultrahigh birefringence THz optical fiber20 Jun 2023US 11,681,095 B2Xi'an University of Posts & Telecommunications
- Birefringent multi-peak optical reference element and birefringent sensor system19 Jul 2022US 11,391,645 B2Weatherford Technology Holdings, LLC
- Photonic apparatus for controlling polarization29 Dec 2020US 10,877,208 B2Universty of Central Florida Research Foundation, Inc.
- Photonic apparatus for controlling polarization29 Dec 2020US 10,877,209 B2Univeristy of Central Florida Research Foundation, Inc.
- Method for determining distributed birefringence variations in a polarization- maintaining optical fiber6 Feb 2025US 2025/0044191 A1Huawei Technologies Co., Ltd.
- Chinese knot-like porous fiber core ultrahigh birefringence thz optical fiber29 Dec 2022US 2022/0413209 A1Xi'an University of Posts & Telecommunications
- Photonic apparatus for controlling polarization2 Jul 2020US 2020/0209467 A9University of Central Florida Research Foundation, Inc.
- Photonic Apparatus for Controlling Polarization14 May 2020US 2020/0150337 A1University of Central Florida Research Foundation, Inc.
- Photonic Apparatus for Controlling Polarization14 May 2020US 2020/0150338 A1University of Central Florida Research Foundation, Inc.
Most cited
By later US patents
- Disperson compensation by using tunable nonlinearly-chirped gratings76US 6,330,383 B1University of Southern California · 2001
- Wavelength selective optical couplers73US 5,805,751 AArroyo Optics, Inc. · 1998
- Optical waveguide embedded light redirecting Bragg grating arrangement66US 5,042,897 AUnited Technologies Corporation · 1991
- Wavelength selective optical devices58US 5,875,272 AArroyo Optics, Inc. · 1999
- Wavelength selective optical routers53US 6,201,909 B1Arroyo Optics, Inc. · 2001