H01S 5/0657
Mode locking, i.e. generation of pulses at a frequency corresponding to a
Official title: {Mode locking, i.e. generation of pulses at a frequency corresponding to a roundtrip in the cavity}
H01S5/0657 (Mode locking, i.e. generation of pulses at a frequency corresponding to a) appears on 184 US grants and 192 published applications in this corpus.
Search patents in H01S- Granted patents
- 184
- Published applications
- 192
- Assignees
- 136
- Inventors
- 459
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 7 |
| 2003 | 16 | 9 |
| 2004 | 7 | 4 |
| 2005 | 3 | 2 |
| 2006 | 3 | 5 |
| 2007 | 1 | 9 |
| 2008 | 2 | 3 |
| 2009 | 6 | 5 |
| 2010 | 8 | 8 |
| 2011 | 8 | 4 |
| 2012 | 1 | 9 |
| 2013 | 2 | 7 |
| 2014 | 7 | 10 |
| 2015 | 15 | 10 |
| 2016 | 9 | 10 |
| 2017 | 13 | 6 |
| 2018 | 8 | 9 |
| 2019 | 8 | 13 |
| 2020 | 12 | 10 |
| 2021 | 7 | 8 |
| 2022 | 4 | 12 |
| 2023 | 8 | 4 |
| 2024 | 4 | 6 |
| 2025 | 6 | 13 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor mode-locked laser dual comb system14 Jul 2026US 12,683,358 B2Imec Vzq
- Mode-hop free laser module3 Feb 2026US 12,542,419 B2Denselight Semiconductors Pte Ltd
- High power MMW synthesizer with truly continuous ultra wide bandwidth tuning range21 Oct 2025US 12,451,669 B2Raytheon Company
- Multi-octave spanning millimeter wave source with phase memory30 Sep 2025US 12,431,687 B2Raytheon Company
- Multi-wavelength laser and wavelength control method29 Jul 2025US 12,374,861 B2Huawei Technologies Co., Ltd.
- Composite substrate and method of producing composite substrate24 Sep 2026US 2026/0291182 A1NGK Corporation
- Composite substrate and method of producing composite substrate17 Sep 2026US 2026/0280222 A1NGK Corporation
- Self-starting figure-9 cavity lasers based on external signal injection27 Aug 2026US 2026/0254196 A1Anhui Huachuang Hongdu Photoelectric Technology Co., Ltd.
- Intra-cavity gratings for frequency comb spectrum manipulation4 Jun 2026US 2026/0155617 A1Mellanox Technologies, Ltd.
- Frequency comb generators with active optical cavities4 Jun 2026US 2026/0155626 A1Mellanox Technologies, Ltd.
Most cited
By later US patents
- Multiwavelength mode-locked dense wavelength division multiplexed optical communication systems132US 6,014,237 ASarnoff Corporation · 2000
- Multiwavelength modelocked semiconductor diode laser118US 6,256,328 B1University of Central Florida · 2001
- Multiwavelength actively mode-locked external cavity semiconductor laser111US 6,192,058 B1Sarnoff Corporation · 2001
- Fibre-grating-stabilized diode laser90US 5,485,481 ASeastar Optics Inc. · 1996
- Method and apparatus for mode locking of external cavity semiconductor lasers with saturable Bragg reflectors71US 6,449,301 B1The Regents of the University of California · 2002