H01S 3/0809
Two-wavelenghth emission
Official title: {Two-wavelenghth emission}
H01S3/0809 (Two-wavelenghth emission) appears on 155 US grants and 135 published applications in this corpus.
Search patents in H01S- Granted patents
- 155
- Published applications
- 135
- Assignees
- 149
- Inventors
- 438
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 8 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 7 |
| 2003 | 6 | 4 |
| 2004 | 7 | 4 |
| 2005 | 2 | 3 |
| 2006 | 0 | 6 |
| 2007 | 6 | 8 |
| 2008 | 3 | 6 |
| 2009 | 6 | 12 |
| 2010 | 6 | 5 |
| 2011 | 7 | 6 |
| 2012 | 4 | 7 |
| 2013 | 5 | 8 |
| 2014 | 3 | 1 |
| 2015 | 3 | 7 |
| 2016 | 4 | 5 |
| 2017 | 4 | 6 |
| 2018 | 5 | 2 |
| 2019 | 2 | 5 |
| 2020 | 6 | 3 |
| 2021 | 1 | 2 |
| 2022 | 2 | 7 |
| 2023 | 0 | 11 |
| 2024 | 7 | 6 |
| 2025 | 3 | 3 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser apparatus, wavelength control method, and electronic device manufacturing method23 Jun 2026US 12,665,381 B2Gigaphoton Inc.
- Optical fiber raw material composition, optical fiber, and optical fiber product19 May 2026US 12,633,715 B2Huawei Technologies Co., Ltd.
- Laser apparatus28 Apr 2026US 12,614,888 B2Lutronic Corporation
- Laser device, evaluation method for laser light spectrum, and electronic device manufacturing method6 Jan 2026US 12,516,980 B2Gigaphoton Inc.
- Tunable microwave source based on dual-wavelength lasing of single optical whispering gallery microcavity30 Dec 2025US 12,512,643 B2East China Normal University
- Dual wavelength optical pulse generator2 Oct 2025US 2025/0309603 A1University of Seoul Industry Cooperation Foundation
- Tunable laser and optical semiconductor element28 Aug 2025US 2025/0273932 A1InnoLight Technology (Suzhou) Ltd.
- Laser arrangement and method for startup22 May 2025US 2025/0167508 A1CryLaS Crystal Laser Systems GmbH
- Lidar measuring method and device with sub-pulses produced by birefringence in the laser resonator24 Oct 2024US 2024/0353541 A1ams-OSRAM International GmbH
- 2.8 micrometer and 3.5 micrometer dual-wavelength mid-infraredfiber laser15 Aug 2024US 2024/0275120 A1Tianjin University
Most cited
By later US patents
- Dual laser excitation from single laser source124US 4,710,635 ABecton, Dickinson and Company · 1987
- Technique for intracavity sum frequency generation105US 5,333,142 AThe United States of America as represented by the Secretary of the Navy · 1994
- Optical fiber distributed feedback laser101US 5,844,927 AOptoplan AS · 1998
- Controllabel dual-wavelength operation of modelocked lasers59US 5,479,422 AImra America, Inc. · 1995
- Dual frequency laser amplifier array and operating method therefor54US 6,061,170 AMcDonnell Douglas Corporation · 2000