H01S 3/1121
Harmonically mode locking lasers
Official title: {Harmonically mode locking lasers, e.g. modulation frequency equals multiple integers or a fraction of the resonator roundtrip time}
H01S3/1121 (Harmonically mode locking lasers) appears on 56 US grants and 42 published applications in this corpus.
Search patents in H01S- Granted patents
- 56
- Published applications
- 42
- Assignees
- 43
- Inventors
- 128
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 6 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 3 |
| 2014 | 4 | 3 |
| 2015 | 1 | 6 |
| 2016 | 5 | 0 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 4 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 3 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 4 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultrashort pulse laser source with chirped pulse amplification and tailored pulse train21 Oct 2025US 12,451,662 B2Ipg Photonics Corporation
- High-precision repetition rate locking apparatus for ultra-fast laser pulse7 Oct 2025US 12,438,335 B2Chongqing Huapu Intelligent Equipment Co., Ltd.
- Method and system using optical phase modulation and optical phase demodulation and spectral filtering to generate an optical pulse train28 Jan 2025US 12,212,114 B2Izmir Biyotip Ve Genom Merkezi
- Picosecond optical radiation systems and methods of use14 Jan 2025US 12,193,734 B2Cynosure, Inc.
- Olive oil-tuned broadband conjugated polymer laser medium17 Sep 2024US 12,095,222 B2Imam Mohammad Ibn Saud Islamic University
- Ultrashort pulse laser source with chirped pulse amplification and tailored pulse train11 Jun 2026US 2026/0163323 A1Ipg Photonics Corporation
- Olive oil-tuned broadband conjugated polymer laser medium18 Jul 2024US 2024/0243544 A1Imam Mohammad Ibn Saud Islamic University
- Spectrally and Spatially Distributed Phase-Conjugate, Long-Laser Resonator6 Jul 2023US 2023/0216266 A1
- High-precision repetition rate locking apparatus for ultra-fast laser pulse13 Apr 2023US 2023/0114758 A1Chongqing Huapu Intelligent Equipment Co., Ltd.
- Method and system using optical phase modulation and optical phase demodulation and spectral filtering to generate an optical pulse train9 Mar 2023US 2023/0075147 A1Izmir Biyotip Ve Genom Merkezi
Most cited
By later US patents
- Mode locking methods and apparatus228US 7,414,779 B2Massachusetts Institute of Technology · 2008
- Method and apparatus for generating ultrashort pulses with adjustable repetition rates from passively modelocked fiber lasers89US 5,701,319 AImra America, Inc. · 1997
- Optical pulse lasers44US 7,372,880 B2Alnair Labs Corporation · 2008
- Mode-locked laser apparatus38US 6,738,408 B2Communications Research Laboratory, Independent Administrative Institution · 2004
- Ultralow noise optical clock for high speed sampling applications32US 6,735,229 B1University of Central Florida · 2004