H01S 3/094049
Guiding of the pump light
Official title: {Guiding of the pump light}
H01S3/094049 (Guiding of the pump light) appears on 569 US grants and 599 published applications in this corpus.
Search patents in H01S- Granted patents
- 569
- Published applications
- 599
- Assignees
- 333
- Inventors
- 1,308
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 0 |
| 2002 | 14 | 20 |
| 2003 | 16 | 23 |
| 2004 | 22 | 18 |
| 2005 | 15 | 13 |
| 2006 | 15 | 18 |
| 2007 | 8 | 12 |
| 2008 | 8 | 20 |
| 2009 | 11 | 13 |
| 2010 | 18 | 22 |
| 2011 | 7 | 33 |
| 2012 | 11 | 23 |
| 2013 | 20 | 17 |
| 2014 | 32 | 21 |
| 2015 | 23 | 20 |
| 2016 | 27 | 37 |
| 2017 | 26 | 31 |
| 2018 | 36 | 36 |
| 2019 | 21 | 23 |
| 2020 | 28 | 32 |
| 2021 | 22 | 37 |
| 2022 | 20 | 37 |
| 2023 | 14 | 29 |
| 2024 | 29 | 26 |
| 2025 | 18 | 25 |
| 2026 | 15 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical amplifier, optical relay, and optical communication system16 Jun 2026US 12,658,662 B2NEC Corporation
- All-solid-state single-frequency continuous wave laser9 Jun 2026US 12,651,881 B2Shanxi University
- Quantum current transformer based on bidirectional light compensation9 Jun 2026US 12,651,882 B2Anhui Guosheng Quantum Technology Co., Ltd.
- Passive high energy Q-switched laser system with optically synchronized multi-stage/multi-pass amplification9 Jun 2026US 12,651,883 B2Candela Corporation
- Optical component constituting fiber amplifier, fiber amplifier, and manufacturing method26 May 2026US 12,640,533 B2Huawei Technologies Co., Ltd.
- Raman-boosted pulse-pumped optical amplifiers20 Aug 2026US 2026/0246225 A1Raytheon Company
- Compact high-repetition-rate passive mode-locked resonant cavity structure and fiber laser13 Aug 2026US 2026/0237958 A1South China University of Technology
- Multicore fiber, optical coupler, and optical amplifier16 Jul 2026US 2026/0204861 A1Lightera Japan Co., Ltd.
- Folded hybrid assembly for doped fiber amplifier2 Jul 2026US 2026/0188965 A1II-Vi Delaware, Inc.
- All-Fiber Inline Optical Taps Adopting A Configuration Of Side-Pump Signal-And-Pump Combiners25 Jun 2026US 2026/0180276 A1Lightel Technologies, Inc.
Most cited
By later US patents
- Optical coupler, a method of its fabrication and use252US 7,532,792 B2Crystal Fibre A/S · 2009
- Bright output optical system with tapered bundle183US 4,820,010 ASpectra Diode Laboratories, Inc. · 1989
- Optical system with bright light output116US 4,763,975 ASpectra Diode Laboratories, Inc. · 1988
- Method and apparatus for waveguide optics and devices111US 6,330,388 B1Northstar Photonics, Inc. · 2001
- Fiber laser with free-space components109US 10,003,168 B1Luminar Technologies, Inc. · 2018