H01S 5/5027
Concatenated amplifiers, i.e. amplifiers in series or cascaded
Official title: {Concatenated amplifiers, i.e. amplifiers in series or cascaded}
H01S5/5027 (Concatenated amplifiers, i.e. amplifiers in series or cascaded) appears on 117 US grants and 106 published applications in this corpus.
Search patents in H01S- Granted patents
- 117
- Published applications
- 106
- Assignees
- 83
- Inventors
- 308
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 3 |
| 2003 | 4 | 4 |
| 2004 | 7 | 3 |
| 2005 | 1 | 5 |
| 2006 | 4 | 4 |
| 2007 | 5 | 3 |
| 2008 | 3 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 4 |
| 2014 | 4 | 3 |
| 2015 | 4 | 2 |
| 2016 | 7 | 3 |
| 2017 | 12 | 3 |
| 2018 | 4 | 6 |
| 2019 | 5 | 8 |
| 2020 | 3 | 8 |
| 2021 | 6 | 5 |
| 2022 | 1 | 8 |
| 2023 | 9 | 8 |
| 2024 | 6 | 8 |
| 2025 | 5 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Freeform collimator lens for angled facet laser devices11 Aug 2026US 12,706,442 B2Agilent Technologies, Inc.
- Miniaturized master oscillator power-amplifier structure diode-pumped solid-state laser21 Jul 2026US 12,689,181 B2II-Vi Delaware, Inc.
- Systems and methods for distributing optical signals using a photonic integrated circuit27 Jan 2026US 12,537,366 B2Quintessent Inc.
- Multi-wavelength laser diode30 Sep 2025US 12,431,692 B2Lumentum Operations LLC
- Photonic integrated circuit for amplifying optical signals2 Sep 2025US 12,405,419 B2Denselight Semiconductors Pte Ltd
- Ultra-broadband laser2 Jul 2026US 2026/0188975 A1Cisco Technology, Inc.
- Systems and Methods for Distributing Optical Signals Using a Photonic Integrated Circuit14 May 2026US 2026/0135353 A1Quintessent Inc.
- Configuring optical amplification modules and optical power splitting modules30 Apr 2026US 2026/0121370 A1Ayo Electronics Inc.
- Multi-wavelength laser diode22 Jan 2026US 2026/0024960 A1Lumentum Operations LLC
- Optical waveguide structure and semiconductor optical amplifier25 Sep 2025US 2025/0298184 A1Furukawa Electric Co., Ltd.
Most cited
By later US patents
- Broadband semiconductor optical amplifier structure64US 4,794,346 ABell Communications Research, Inc. · 1988
- Extreme chirped/stretched pulsed amplification and laser63US 7,095,772 B1Research Foundation of the University of Central Florida · 2006
- Lightwave systems using optical amplifiers52US 4,947,134 AAmerican Telephone and Telegraph Company · 1990
- Integrated multi-wavelength and wideband lasers46US 6,628,686 B1Fox-Tek, Inc. · 2003
- Optical functional devices and integrated optical devices having a ridged multi-quantum well structure42US 5,689,358 ANippon Telegraph and Telephone Corporation · 1997