H01S 3/094096
Multi-wavelength pumping
Official title: {Multi-wavelength pumping}
H01S3/094096 (Multi-wavelength pumping) appears on 452 US grants and 431 published applications in this corpus.
Search patents in H01S- Granted patents
- 452
- Published applications
- 431
- Assignees
- 181
- Inventors
- 774
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 9 | 7 |
| 2002 | 28 | 53 |
| 2003 | 32 | 52 |
| 2004 | 40 | 25 |
| 2005 | 38 | 30 |
| 2006 | 28 | 16 |
| 2007 | 19 | 20 |
| 2008 | 16 | 10 |
| 2009 | 16 | 14 |
| 2010 | 11 | 14 |
| 2011 | 8 | 15 |
| 2012 | 12 | 7 |
| 2013 | 12 | 14 |
| 2014 | 9 | 8 |
| 2015 | 11 | 16 |
| 2016 | 17 | 16 |
| 2017 | 17 | 12 |
| 2018 | 8 | 11 |
| 2019 | 11 | 8 |
| 2020 | 9 | 14 |
| 2021 | 9 | 16 |
| 2022 | 14 | 14 |
| 2023 | 8 | 14 |
| 2024 | 9 | 11 |
| 2025 | 7 | 10 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser device and method of achieving optical gain with colloidal quantum fountains16 Jun 2026US 12,658,665 B2Uchicago Argonne, LLC
- Laser reference frequency source stabilized by optical self-injection locking2 Jun 2026US 12,646,902 B1Hqphotonics Inc.
- Narrow-linewidth brillouin laser stabilized by optical self-injection locking28 Apr 2026US 12,614,889 B1Hqphotonics Inc.
- Optical amplification apparatus and signal amplification method of optical amplification apparatus21 Apr 2026US 12,609,505 B2Huawei Technologies Co., Ltd.
- Raman amplifier, Raman amplification method, and Raman amplification system24 Mar 2026US 12,586,974 B21FINITY Inc.
- Pump light generation apparatus, optical amplifier and pump light generation method2 Apr 2026US 2026/0095012 A1NTT, Inc.
- Core Pumping High Power Doped Fiber Amplifier Realizing Full Band Gain Flatness12 Mar 2026US 2026/0074480 A1II-VI Photonics, Inc.
- Multiple raman pump fbgs in single fiber5 Mar 2026US 2026/0066605 A1II-Vi Delaware, Inc.
- Raman amplification system, raman amplification method, and raman amplifier5 Mar 2026US 2026/0066608 A11FINITY Inc.
- System for pumping raman amplification9 Oct 2025US 2025/0316947 A1II-Vi Delaware, Inc.
Most cited
By later US patents
- Optical amplifier with high energy levels systems providing high peak powers244US 5,867,305 ASDL, Inc. · 1999
- Optical communication system using multiple-order Raman amplifiers127US 6,163,636 ALucent Technologies Inc. · 2000
- Raman amplifier, optical repeater, and raman amplification method114US 6,292,288 B1Furukawa Electric Co., Ltd. · 2001
- Fiber laser with free-space components109US 10,003,168 B1Luminar Technologies, Inc. · 2018
- Low noise high power optical fiber amplifier108US 5,140,456 AGeneral Instrument Corporation · 1992