H01S 5/124
Incorporating phase shifts
Official title: {incorporating phase shifts}
H01S5/124 (Incorporating phase shifts) appears on 235 US grants and 200 published applications in this corpus.
Search patents in H01S- Granted patents
- 235
- Published applications
- 200
- Assignees
- 125
- Inventors
- 490
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 8 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 6 |
| 2003 | 12 | 4 |
| 2004 | 8 | 11 |
| 2005 | 5 | 8 |
| 2006 | 8 | 6 |
| 2007 | 4 | 9 |
| 2008 | 6 | 4 |
| 2009 | 4 | 1 |
| 2010 | 6 | 9 |
| 2011 | 2 | 4 |
| 2012 | 7 | 3 |
| 2013 | 5 | 5 |
| 2014 | 4 | 9 |
| 2015 | 6 | 11 |
| 2016 | 7 | 5 |
| 2017 | 8 | 12 |
| 2018 | 8 | 6 |
| 2019 | 7 | 10 |
| 2020 | 8 | 9 |
| 2021 | 6 | 21 |
| 2022 | 10 | 11 |
| 2023 | 9 | 8 |
| 2024 | 6 | 11 |
| 2025 | 10 | 10 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiple electrode distributed feedback laser array1 Sep 2026US 12,726,002 B2Cspeed Inc.
- Apparatus comprising a distributed coupled-cavity waveguide reflector24 Mar 2026US 12,586,984 B2Quintessent Inc.
- Semiconductor laser for preventing hole burning effect10 Mar 2026US 12,573,815 B2Lumentum Japan, Inc.
- Semiconductor laser, optical transmitter component, optical line terminal, and optical network unit3 Feb 2026US 12,542,423 B2Huawei Technologies Co., Ltd.
- DFB with weak optical feedback9 Dec 2025US 12,494,619 B2II-Vi Delaware, Inc.
- Vernier-tuned distributed bragg reflector laser24 Sep 2026US 2026/0291180 A1Lumentum Operations LLC
- Dual-wavelength light source6 Aug 2026US 2026/0229845 A1Nokia Solutions and Networks Oy
- Semiconductor laser9 Apr 2026US 2026/0100557 A1Lumentum Operations LLC
- Multi-wavelength laser19 Mar 2026US 2026/0081400 A1Lumentum Operations LLC
- Multiple Electrode Distributed Feedback Laser Array19 Feb 2026US 2026/0051717 A1Cspeed Inc.
Most cited
By later US patents
- Integrated semiconductor light emitting element with oscillation wavelength and phase modulated light output120US 4,720,835 AKokusai Denshin Denwa Kabushiki Kaisha · 1988
- Semiconductor ring and folded cavity lasers107US 5,231,642 ASpectra Diode Laboratories, Inc. · 1993
- Semiconductor laser with broad-area intra-cavity angled grating79US 5,337,328 ASDL, Inc. · 1994
- Polarization-mode selective semiconductor laser with a bending channel stripe, apparatus including the same and optical communication system using the same62US 6,008,675 ACanon Kabushiki Kaisha · 1999
- Sub-carrier multiplexing in broadband optical networks62US 6,081,361 ALucent Technologies Inc. · 2000