H01S 5/1209
Sampled grating
Official title: {Sampled grating}
H01S5/1209 (Sampled grating) appears on 187 US grants and 206 published applications in this corpus.
Search patents in H01S- Granted patents
- 187
- Published applications
- 206
- Assignees
- 99
- Inventors
- 292
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 3 |
| 2002 | 3 | 10 |
| 2003 | 13 | 13 |
| 2004 | 12 | 15 |
| 2005 | 6 | 7 |
| 2006 | 10 | 5 |
| 2007 | 3 | 7 |
| 2008 | 3 | 6 |
| 2009 | 6 | 6 |
| 2010 | 8 | 12 |
| 2011 | 5 | 11 |
| 2012 | 9 | 2 |
| 2013 | 8 | 15 |
| 2014 | 9 | 8 |
| 2015 | 10 | 16 |
| 2016 | 10 | 15 |
| 2017 | 19 | 6 |
| 2018 | 6 | 10 |
| 2019 | 7 | 2 |
| 2020 | 3 | 6 |
| 2021 | 4 | 11 |
| 2022 | 8 | 4 |
| 2023 | 8 | 4 |
| 2024 | 4 | 4 |
| 2025 | 2 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical device and wavelength-tunable laser20 Jan 2026US 12,529,848 B2Furukawa Electric Co., Ltd.
- DFB with weak optical feedback9 Dec 2025US 12,494,619 B2II-Vi Delaware, Inc.
- Semiconductor optical integrated device20 May 2025US 12,308,608 B2Furukawa Electric Co., Ltd.
- Tunable laser with active material on at least one end for monitoring performance17 Sep 2024US 12,095,228 B2Freedom Photonics LLC
- Optical functional device and laser device13 Aug 2024US 12,062,886 B2Furukawa Electric Co., Ltd.
- Vernier-tuned distributed bragg reflector laser24 Sep 2026US 2026/0291180 A1Lumentum Operations LLC
- Compact external cavity laser2 Jul 2026US 2026/0188974 A1Cisco Technology, Inc.
- Sampled grating distributed bragg reflector laser diode with distributed microheaters25 Jun 2026US 2026/0180285 A1Electronics and Telecommunications Research Institute
- Cavity design for multi-wavelength lasers19 Jun 2025US 2025/0202193 A1Quintessent Inc.
- Distributed feedback semiconductor laser assembly24 Apr 2025US 2025/0132538 A1
Most cited
By later US patents
- Integrated opto-electronic wavelength converter assembly62US 6,580,739 B1Agility Communications, Inc. · 2003
- Widely wavelength tunable integrated semiconductor device and method for widely tuning semiconductor devices60US 6,728,279 B1Interuniversitair Microelektronica Centrum · 2004
- Method for converting an optical wavelength using a monolithic wavelength converter assembly47US 6,349,106 B1Agility Communications, Inc. · 2002
- Method of generating an optical signal with a tunable laser source with integrated optical amplifier41US 6,687,278 B1Agility Communications, Inc. · 2004
- Widely wavelength tunable integrated semiconductor device and method for widely wavelength tuning semiconductor devices40US 7,058,096 B2Interuniversitair Microelektronica Centrum (IMEC) vzw · 2006