G02B 6/29356
Interference cavity within a single light guide
Official title: {Interference cavity within a single light guide, e.g. between two fibre gratings (G02B6/29347 - G02B6/2935 take precedence; evanescent coupling to a resonator cavity G02B6/29335)}
G02B6/29356 (Interference cavity within a single light guide) appears on 75 US grants and 66 published applications in this corpus.
Search patents in G02B- Granted patents
- 75
- Published applications
- 66
- Assignees
- 67
- Inventors
- 186
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 6 |
| 2004 | 4 | 2 |
| 2005 | 1 | 6 |
| 2006 | 3 | 4 |
| 2007 | 6 | 3 |
| 2008 | 5 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 4 | 3 |
| 2012 | 1 | 5 |
| 2013 | 4 | 2 |
| 2014 | 4 | 1 |
| 2015 | 1 | 2 |
| 2016 | 2 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 2 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 6 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phase-shifted fiber bragg grating sensor and method for producing same16 Jun 2026US 12,656,543 B2National Research Council of Canada
- Optical component16 Jun 2026US 12,656,551 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Optical device3 Mar 2026US 12,566,294 B2NTT, Inc.
- Systems and methods for reduction of optical signal linewidth10 Feb 2026US 12,548,963 B2Honeywell International Inc.
- Optical device3 Feb 2026US 12,542,421 B2NTT, Inc.
- Communication device, base station, and communication system16 Jul 2026US 2026/0202677 A1Huawei Technologies Co., Ltd.
- Systems and methods for reduction of optical signal linewidth26 Sep 2024US 2024/0322517 A1Honeywell International Inc.
- System and method for fabricating multiplexable active optical fiber sensors11 Jul 2024US 2024/0230983 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Phase-shifted fiber bragg grating sensor and method for producing same19 Oct 2023US 2023/0333313 A1National Research Council of Canada
- Photonic Integrated Circuit28 Sep 2023US 2023/0305225 A1Ait Austrian Institute of Technology GmbH
Most cited
By later US patents
- Fiber optic laser device and light emitter utilizing the device119US 4,358,851 AXerox Corporation · 1982
- All-pass optical filters79US 6,289,151 B1Lucent Technologies Inc. · 2001
- Fiber light source with multimode fiber coupler68US 5,659,644 ALucent Technologies Inc. · 1997
- Fiber optic sensor arrangement having reflective gratings responsive to particular wavelengths62US 4,950,883 AUnited Technologies Corporation · 1990
- High index-contrast fiber waveguides and applications61US 6,788,864 B2OmniGuide Communications · 2004