H01S 3/0635
Provided with a periodic structure
Official title: {provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102)}
H01S3/0635 (Provided with a periodic structure) appears on 127 US grants and 88 published applications in this corpus.
Search patents in H01S- Granted patents
- 127
- Published applications
- 88
- Assignees
- 98
- Inventors
- 310
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 7 |
| 2003 | 10 | 12 |
| 2004 | 8 | 4 |
| 2005 | 7 | 5 |
| 2006 | 2 | 3 |
| 2007 | 1 | 2 |
| 2008 | 4 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 3 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 4 |
| 2015 | 2 | 3 |
| 2016 | 4 | 2 |
| 2017 | 4 | 5 |
| 2018 | 3 | 4 |
| 2019 | 7 | 7 |
| 2020 | 9 | 5 |
| 2021 | 2 | 4 |
| 2022 | 5 | 3 |
| 2023 | 2 | 3 |
| 2024 | 3 | 2 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Perovskite-based white or multi-wavelength laser5 May 2026US 12,620,781 B1King Saud University
- Optically pumped on-chip solid-state laser31 Dec 2024US 12,184,031 B2Hoazhong University of Science and Technology
- Optical waveguide device and laser apparatus including the same20 Aug 2024US 12,068,576 B2Electronics and Telecommunications Research Institute
- Dielectric-grating-waveguide free-electron laser18 Jun 2024US 12,015,236 B2National Tsing Hua University
- Tunable laser materials comprising solid-state blended polymers5 Dec 2023US 11,837,842 B2Hong Kong Baptist University
- Sapphire optical waveguide based gain medium20 Nov 2025US 2025/0357717 A1Oxford University Innovation Limited
- Laser, optical module, and apparatus9 Oct 2025US 2025/0316944 A1Huawei Technologies Co., Ltd.
- Photoacoustic system and associated method30 May 2024US 2024/0178628 A1
- Optical device18 Apr 2024US 2024/0128718 A1Nippon Telegraph and Telephone Corporation
- Optically pumped on-chip solid-state laser20 Apr 2023US 2023/0124384 A1Huazhong University of Science and Technology
Most cited
By later US patents
- Tuneable photonic crystal lasers and a method of fabricating the same118US 6,711,200 B1California Institute of Technology · 2004
- Method and apparatus for waveguide optics and devices111US 6,330,388 B1Northstar Photonics, Inc. · 2001
- Laser with electrically-controlled grating reflector103US 5,504,772 ADeacon Research · 1996
- Optical devices and methods of fabrication thereof97US 6,778,746 B2BTG International Limited · 2004
- Three dimensional engineering of planar optical structures93US 6,952,504 B2NeoPhotonics Corporation · 2005