H01S 5/0654
Single longitudinal mode emission
Official title: {Single longitudinal mode emission}
H01S5/0654 (Single longitudinal mode emission) appears on 242 US grants and 281 published applications in this corpus.
Search patents in H01S- Granted patents
- 242
- Published applications
- 281
- Assignees
- 190
- Inventors
- 664
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 5 |
| 2004 | 4 | 19 |
| 2005 | 8 | 21 |
| 2006 | 11 | 22 |
| 2007 | 17 | 10 |
| 2008 | 6 | 14 |
| 2009 | 10 | 5 |
| 2010 | 12 | 14 |
| 2011 | 13 | 17 |
| 2012 | 7 | 13 |
| 2013 | 11 | 6 |
| 2014 | 6 | 8 |
| 2015 | 9 | 10 |
| 2016 | 9 | 13 |
| 2017 | 9 | 6 |
| 2018 | 9 | 8 |
| 2019 | 10 | 13 |
| 2020 | 12 | 14 |
| 2021 | 9 | 20 |
| 2022 | 11 | 11 |
| 2023 | 10 | 9 |
| 2024 | 10 | 13 |
| 2025 | 10 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Quantum cascade laser element and quantum cascade laser device4 Aug 2026US 12,700,712 B2Hamamatsu Photonics K.K.
- Electronically-controlled optical feedback methods for laser linewidth7 Apr 2026US 12,597,755 B2The University of British Columbia
- Optical semiconductor device and semiconductor laser device10 Feb 2026US 12,548,983 B2Denso Corporation
- Wavelength control of multi-wavelength laser16 Dec 2025US 12,500,392 B2Technische Universität Darmstadt
- DFB with weak optical feedback9 Dec 2025US 12,494,619 B2II-Vi Delaware, Inc.
- Semiconductor laser with optimized facet coatings24 Sep 2026US 2026/0291171 A1
- Constant Current Drive for Lasers in Photoplethysmography11 Jun 2026US 2026/0157646 A1Zynex Monitoring Solutions, Inc.
- Method for controlling a semiconductor-laser-diode-based ss-interferometer system9 Oct 2025US 2025/0314584 A1
- Semiconductor tunable ring laser, photonic integrated circuit and opto-electronic system comprising the same25 Sep 2025US 2025/0300430 A1Effect Photonics B.V.
- Semiconductor tunable ring laser, photonic integrated circuit and opto-electronic system comprising the same25 Sep 2025US 2025/0300431 A1Effect Photonics B.V.
Most cited
By later US patents
- Narrow spectrum light source131US 7,835,417 B2Octrolix BV · 2010
- Method and apparatus for waveguide optics and devices111US 6,330,388 B1Northstar Photonics, Inc. · 2001
- Method and apparatus for waveguide optics and devices64US 6,690,873 B2Teem Photonics · 2004
- Coupling arrangements for frequency-doubled diode lasers63US 5,185,752 ASpectra Diode Laboratories, Inc. · 1993
- Method and apparatus for waveguide optics and devices52US 6,636,678 B1Teem Photonics · 2003