H01S 5/1212
Chirped grating
Official title: {Chirped grating}
H01S5/1212 (Chirped grating) appears on 113 US grants and 125 published applications in this corpus.
Search patents in H01S- Granted patents
- 113
- Published applications
- 125
- Assignees
- 64
- Inventors
- 210
- Latest grant
- 10 Dec 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 7 |
| 2003 | 1 | 6 |
| 2004 | 8 | 3 |
| 2005 | 2 | 4 |
| 2006 | 4 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 6 |
| 2009 | 3 | 4 |
| 2010 | 5 | 5 |
| 2011 | 5 | 10 |
| 2012 | 7 | 3 |
| 2013 | 5 | 11 |
| 2014 | 6 | 4 |
| 2015 | 9 | 16 |
| 2016 | 10 | 9 |
| 2017 | 12 | 5 |
| 2018 | 4 | 1 |
| 2019 | 4 | 4 |
| 2020 | 1 | 5 |
| 2021 | 2 | 3 |
| 2022 | 3 | 5 |
| 2023 | 2 | 1 |
| 2024 | 5 | 3 |
| 2025 | 0 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ultra-low noise, highly stable single-mode operation, high power, Bragg grating based semiconductor laser10 Dec 2024US 12,166,332 B2ColdQuanta, Inc.
- Reflector for VCSEL10 Sep 2024US 12,088,064 B2II-Vi Delaware, Inc.
- Precisely controlled chirped diode laser and coherent LIDAR system16 Jul 2024US 12,038,511 B2Intel Corporation
- Optical semiconductor device16 Jul 2024US 12,040,587 B2Sumitomo Electric Device Innovations, Inc.
- Wavelength-tunable laser and optical module20 Feb 2024US 11,909,173 B2Furukawa Electric Co., Ltd.
- Laser and fabrication method therefor10 Sep 2026US 2026/0269566 A1Hisense Broadband Multimedia Technologies Co., Ltd.
- Sampled grating distributed bragg reflector laser diode with distributed microheaters25 Jun 2026US 2026/0180285 A1Electronics and Telecommunications Research Institute
- Vcsel/pcsel light coupling into the multilayer waveguide for short reach optical communication9 Oct 2025US 2025/0316960 A1
- Cavity design for multi-wavelength lasers19 Jun 2025US 2025/0202193 A1Quintessent Inc.
- Reflector for vcsel14 Nov 2024US 2024/0380178 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Thermal compensators for waveguide DBR laser sources118US 5,870,417 ASDL, Inc. · 1999
- Frequency chirp control and compensation for obtaining broad bandwidth ultrashort optical pulses from wavelength-tunable lasers81US 5,633,885 AImra America, Inc. · 1997
- Integrated laser and coupled waveguide81US 5,673,284 ATexas Instruments Incorporated · 1997
- Method and apparatus for mode locking of external cavity semiconductor lasers with saturable Bragg reflectors71US 6,449,301 B1The Regents of the University of California · 2002
- Integrated laser and coupled waveguide66US 6,064,783 A2000