G02B 6/29397
Polarisation insensitivity
Official title: {Polarisation insensitivity}
G02B6/29397 (Polarisation insensitivity) appears on 95 US grants and 72 published applications in this corpus.
Search patents in G02B- Granted patents
- 95
- Published applications
- 72
- Assignees
- 72
- Inventors
- 172
- Latest grant
- 26 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 9 | 12 |
| 2003 | 7 | 10 |
| 2004 | 6 | 5 |
| 2005 | 6 | 3 |
| 2006 | 3 | 2 |
| 2007 | 6 | 5 |
| 2008 | 4 | 1 |
| 2009 | 2 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 4 |
| 2016 | 4 | 2 |
| 2017 | 8 | 8 |
| 2018 | 5 | 3 |
| 2019 | 3 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wavelength division multiplexer and silicon photonic integrated chip26 Nov 2024US 12,153,260 B2InnoLight Technology (Suzhou) Ltd.
- Optical device3 May 2022US 11,320,597 B1Browave Corporation
- Method and system for eliminating polarization dependence for 45 degree incidence MUX/DEMUX designs25 May 2021US 11,018,796 B2Luxtera, Inc.
- Polarization independent optical device4 Aug 2020US 10,735,124 B2Huawei Technologies Co., Ltd.
- Method and system for a polarization immune wavelength division multiplexing demultiplexer7 Apr 2020US 10,615,903 B2Luxtera, Inc.
- Structure for polarization-independent coarse wavelength division demultiplexing23 Apr 2026US 2026/0110861 A1GLOBALFOUNDRIES U. S. Inc.
- Wavelength division multiplexer and silicon photonic integrated chip8 Dec 2022US 2022/0390678 A1InnoLight Technology (Suzhou) Ltd.
- Method And System For Eliminating Polarization Dependence For 45 Degree Incidence MUX/DEMUX Designs19 Mar 2020US 2020/0092025 A1Luxtera, Inc.
- Method And System For A Polarization Immune Wavelength Division Multiplexing Demultiplexer7 Nov 2019US 2019/0342026 A1Luxtera, Inc.
- Polarization Independent Optical Device26 Sep 2019US 2019/0296850 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Enhanced volume phase grating with high dispersion, high diffraction efficiency and low polarization sensitivity103US 6,750,995 B22004
- Dual-source optical wavelength processor88US 7,397,980 B2Optium Australia PTY Limited · 2008
- Wavelength router66US 6,501,877 B1Network Photonics, Inc. · 2002
- Optical multiplexer and demultiplexer64US 4,741,588 AU. S. Philips Corporation · 1988
- Optical configuration for a dynamic gain equalizer and a configurable add/drop multiplexer54US 6,498,872 B2JDS Uniphase Corporation · 2002