H01S 5/4006
Injection locking
Official title: {Injection locking}
H01S5/4006 (Injection locking) appears on 194 US grants and 184 published applications in this corpus.
Search patents in H01S- Granted patents
- 194
- Published applications
- 184
- Assignees
- 165
- Inventors
- 561
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 3 | 3 |
| 2003 | 2 | 8 |
| 2004 | 5 | 6 |
| 2005 | 3 | 11 |
| 2006 | 8 | 6 |
| 2007 | 5 | 5 |
| 2008 | 4 | 7 |
| 2009 | 6 | 8 |
| 2010 | 2 | 10 |
| 2011 | 8 | 12 |
| 2012 | 4 | 11 |
| 2013 | 5 | 5 |
| 2014 | 6 | 7 |
| 2015 | 12 | 4 |
| 2016 | 7 | 6 |
| 2017 | 6 | 6 |
| 2018 | 4 | 7 |
| 2019 | 7 | 7 |
| 2020 | 6 | 9 |
| 2021 | 5 | 9 |
| 2022 | 5 | 7 |
| 2023 | 10 | 8 |
| 2024 | 5 | 8 |
| 2025 | 10 | 7 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bandwidth enhancement of quantum dot/well hybrid III-V/silicon micro-ring lasers6 Oct 2026US 12,756,158 B2Hewlett Packard Enterprise Development LP
- Electrically tunable optical resonator on a chip for fast tunable integrated lasers25 Aug 2026US 12,717,177 B2Ecole Polytechnique Federale De Lausanne (Epfl)
- Laser light source and LIDAR system comprising the laser light source18 Aug 2026US 12,712,337 B2OSRAM Opto Semiconductor GmbH
- Method for active stabilizatiion of an injection locked laser with an optical bandpass filter28 Jul 2026US 12,695,275 B2The Hong Kong University of Science and Technology
- Semiconductor mode-locked laser dual comb system14 Jul 2026US 12,683,358 B2Imec Vzq
- Phase synchronization laser device6 Aug 2026US 2026/0229841 A1Mitsubishi Electric Corporation
- External Optical Injection Locking Laser25 Jun 2026US 2026/0177756 A1Suzhou Institute of Nano-Tech and Nano-Bionics (Sinano) , Chinese Academy of Sciences
- Methods of injection locking for multiple optical source generation26 Feb 2026US 2026/0058750 A1Cable Television Laboratories, Inc.
- High efficiency visible and ultraviolet nanowire emitters5 Feb 2026US 2026/0040730 A1The Royal Institution for the Advancement of Learning/Mcgill University
- Photonic integrated circuits with reduced sensitivity to reflections15 Jan 2026US 2026/0018856 A1
Most cited
By later US patents
- Solid-state laser source of tunable narrow-bandwidth ultraviolet radiation139US 5,745,284 APresident and Fellows of Harvard College · 1998
- Semiconductor optical device with nanowhiskers126US 5,332,910 AHitachi, Ltd. · 1994
- High frequency source having heterodyned laser oscillators injection-locked to a mode-locked laser102US 5,379,309 ACalifornia Institute of Technology · 1995
- Reduction of non-linear effects in optical fiber communication systems and method of using same83US 5,166,821 AGeneral Instrument Corporation · 1992
- Broad linewidth lasers for optical fiber communication systems83US 5,200,964 AGeneral Instrument Corporation · 1993