H01S 3/06766
C-band amplifiers, i.e. amplification in the range of about 1530 nm to
Official title: {C-band amplifiers, i.e. amplification in the range of about 1530 nm to 1560 nm}
H01S3/06766 (C-band amplifiers, i.e. amplification in the range of about 1530 nm to) appears on 148 US grants and 164 published applications in this corpus.
Search patents in H01S- Granted patents
- 148
- Published applications
- 164
- Assignees
- 81
- Inventors
- 316
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 12 |
| 2003 | 11 | 24 |
| 2004 | 8 | 6 |
| 2005 | 22 | 12 |
| 2006 | 15 | 8 |
| 2007 | 10 | 11 |
| 2008 | 4 | 5 |
| 2009 | 5 | 3 |
| 2010 | 4 | 2 |
| 2011 | 3 | 5 |
| 2012 | 3 | 4 |
| 2013 | 5 | 1 |
| 2014 | 3 | 2 |
| 2015 | 2 | 4 |
| 2016 | 5 | 3 |
| 2017 | 4 | 1 |
| 2018 | 1 | 4 |
| 2019 | 3 | 5 |
| 2020 | 2 | 6 |
| 2021 | 6 | 5 |
| 2022 | 4 | 8 |
| 2023 | 1 | 7 |
| 2024 | 6 | 11 |
| 2025 | 3 | 11 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods to reduce the power consumption of an optical fiber amplifier11 Aug 2026US 12,706,432 B2Huawei Technologies Co., Ltd.
- Pump-sharing among reflective optical amplifiers30 Jun 2026US 12,671,224 B2II-Vi Delaware, Inc.
- Optical fiber raw material composition, optical fiber, and optical fiber product19 May 2026US 12,633,715 B2Huawei Technologies Co., Ltd.
- Gain equalization in C+L erbium-doped fiber amplifiers7 Apr 2026US 12,597,752 B2Subcom, LLC
- Folded hybrid assembly for doped fiber amplifier17 Mar 2026US 12,580,360 B2II-Vi Delaware, Inc.
- Gain equalization in c+l erbium-doped fiber amplifiers9 Jul 2026US 2026/0196795 A1Subcom, LLC
- Folded hybrid assembly for doped fiber amplifier2 Jul 2026US 2026/0188965 A1II-Vi Delaware, Inc.
- Raman-edfa hybrid amplifier for extended l band amplification5 Mar 2026US 2026/0066603 A1II-Vi Delaware, Inc.
- Cladding pumped distributed raman amplifier for multi-core-fiber transmission5 Feb 2026US 2026/0039082 A1II-Vi Delaware, Inc.
- Erbium doped fiber optical amplifier with adaptive filter9 Oct 2025US 2025/0316946 A1Fujitsu Limited
Most cited
By later US patents
- Ultraviolet laser apparatus and exposure apparatus using same250US 7,023,610 B2Nikon Corporation · 2006
- High-energy eye-safe pulsed fiber amplifiers and sources operating in erbium's L-band146US 7,872,794 B1Lockheed Martin Corporation · 2011
- Ultraviolet laser apparatus and exposure apparatus using same96US 6,590,698 B1Nikon Corporation · 2003
- Ultra-wide bandwidth fiber based optical amplifier66US 6,307,668 B1Optigain, Inc. · 2001
- Noise figure in optical amplifiers with a split-band architecture50US 6,049,418 ALucent Technologies Inc. · 2000