H01S 3/1112
Passive mode locking
H01S3/1112 (Passive mode locking) appears on 628 US grants and 638 published applications in this corpus.
Search patents in H01S- Granted patents
- 628
- Published applications
- 638
- Assignees
- 352
- Inventors
- 1,205
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 6 |
| 2002 | 11 | 7 |
| 2003 | 14 | 14 |
| 2004 | 20 | 11 |
| 2005 | 14 | 26 |
| 2006 | 9 | 34 |
| 2007 | 7 | 27 |
| 2008 | 13 | 13 |
| 2009 | 22 | 28 |
| 2010 | 23 | 35 |
| 2011 | 26 | 24 |
| 2012 | 27 | 32 |
| 2013 | 23 | 24 |
| 2014 | 33 | 29 |
| 2015 | 26 | 29 |
| 2016 | 27 | 38 |
| 2017 | 35 | 33 |
| 2018 | 29 | 30 |
| 2019 | 34 | 30 |
| 2020 | 26 | 37 |
| 2021 | 14 | 18 |
| 2022 | 17 | 29 |
| 2023 | 19 | 32 |
| 2024 | 21 | 18 |
| 2025 | 21 | 23 |
| 2026 | 14 | 11 |
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.
- Laser element and electronic device27 Aug 2026US 2026/0254199 A1Sony Group Corporation
- Ultrashort light pulse generator13 Aug 2026US 2026/0237954 A1Indie Photonics Canada Inc.
- Compact high-repetition-rate passive mode-locked resonant cavity structure and fiber laser13 Aug 2026US 2026/0237958 A1South China University of Technology
Most cited
By later US patents
- Modular, high energy, widely-tunable ultrafast fiber source230US 6,885,683 B1Imra America, Inc. · 2005
- Apparatus for producing femtosecond and picosecond pulses from modelocked fiber lasers cladding pumped with broad area diode laser arrays143US 5,627,848 AImra America, Inc. · 1997
- Technique for the generation of optical pulses in modelocked lasers by dispersive control of the oscillation pulse width140US 5,450,427 AImra America, Inc. · 1995
- Integrated passively modelocked fiber lasers and method for constructing the same127US 6,072,811 AImra America, Inc. · 2000
- Stretched-pulse fiber laser121US 5,513,194 AMassachusetts Institute of Technology · 1996