H01S 3/11
Mode locking
Official title: Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
H01S3/11 (Mode locking) appears on 1,853 US grants and 1,640 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,853
- Published applications
- 1,640
- Assignees
- 824
- Inventors
- 3,202
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 9 | 0 |
| 1987 | 18 | 0 |
| 1988 | 22 | 0 |
| 1989 | 22 | 0 |
| 1990 | 14 | 0 |
| 1991 | 25 | 0 |
| 1992 | 21 | 0 |
| 1993 | 30 | 0 |
| 1994 | 24 | 0 |
| 1995 | 29 | 0 |
| 1996 | 29 | 0 |
| 1997 | 39 | 0 |
| 1998 | 37 | 0 |
| 1999 | 37 | 0 |
| 2000 | 31 | 0 |
| 2001 | 28 | 8 |
| 2002 | 31 | 34 |
| 2003 | 33 | 46 |
| 2004 | 47 | 46 |
| 2005 | 40 | 69 |
| 2006 | 47 | 77 |
| 2007 | 27 | 68 |
| 2008 | 35 | 53 |
| 2009 | 58 | 78 |
| 2010 | 65 | 83 |
| 2011 | 59 | 72 |
| 2012 | 55 | 79 |
| 2013 | 62 | 61 |
| 2014 | 77 | 78 |
| 2015 | 81 | 92 |
| 2016 | 69 | 83 |
| 2017 | 82 | 71 |
| 2018 | 78 | 79 |
| 2019 | 72 | 76 |
| 2020 | 58 | 70 |
| 2021 | 48 | 54 |
| 2022 | 49 | 63 |
| 2023 | 43 | 69 |
| 2024 | 58 | 57 |
| 2025 | 55 | 47 |
| 2026 | 28 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fiber laser system15 Sep 2026US 12,738,708 B2Cegep Garneau
- Pulsed RF generator, pulsed RF transmitter and related methods of operation25 Aug 2026US 12,719,230 B2Phase Sensitive Innovations, Inc.
- Mode-locked resonator and ultrashort pulse laser comprising the same4 Aug 2026US 12,700,709 B2Korea Institute of Science and Technology
- Laser resonator assembly28 Jul 2026US 12,695,263 B2
- Laser system for ranging applications28 Jul 2026US 12,695,267 B2
- Colliding pulse mode-locking (cpm) lasers having gain sections with substantially equal effective length8 Oct 2026US 2026/0312358 A1Mellanox Technologies, Ltd.
- Integrated frequency comb generators with compensated optical cavity structures8 Oct 2026US 2026/0312361 A1Mellanox Technologies, Ltd.
- Blue laser operating at the h-beta fraunhofer line3 Sep 2026US 2026/0259471 A1Aqwest LLC
- Laser element and electronic device27 Aug 2026US 2026/0254199 A1Sony Group Corporation
- Apparatus, system and method for providing a light-matter interface for enhancing transitions that generate single photons20 Aug 2026US 2026/0246224 A1Nu Quantum Ltd
Most cited
By later US patents
- Controllable surface filter264US 5,619,366 ATexas Instruments Incorporated · 1997
- Elecronically tunable optical periodic surface filters with an alterable resonant frequency262US 5,619,365 ATexas Instruments Incorporated · 1997
- Modular, high energy, widely-tunable ultrafast fiber source230US 6,885,683 B1Imra America, Inc. · 2005
- Mode locking methods and apparatus228US 7,414,779 B2Massachusetts Institute of Technology · 2008
- Lidar system181US 9,958,545 B2Luminar Technologies, Inc. · 2018