H01S 5/5018
Using two or more amplifiers or multiple passes through the same amplifier
Official title: {using two or more amplifiers or multiple passes through the same amplifier}
H01S5/5018 (Using two or more amplifiers or multiple passes through the same amplifier) appears on 78 US grants and 55 published applications in this corpus.
Search patents in H01S- Granted patents
- 78
- Published applications
- 55
- Assignees
- 64
- Inventors
- 207
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 8 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 3 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 8 |
| 2012 | 4 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 1 |
| 2015 | 5 | 0 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 1 |
| 2019 | 2 | 4 |
| 2020 | 2 | 7 |
| 2021 | 2 | 3 |
| 2022 | 5 | 2 |
| 2023 | 3 | 1 |
| 2024 | 1 | 4 |
| 2025 | 2 | 1 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Semiconductor optical amplifier array device23 Dec 2025US 12,506,328 B2Furukawa Electric Co., Ltd.
- Semiconductor optical amplifier light combiner14 Jan 2025US 12,199,404 B2OpenLight Photonics, Inc.
- Optically-pumped semiconductor waveguide amplifier3 Dec 2024US 12,160,078 B2University of Central Florida Research Foundation, Inc.
- Room-temperature semiconductor maser and applications thereof14 Nov 2023US 11,815,588 B2University of Electronic Science and Technology of China
- Silicon photonics based tunable laser10 Oct 2023US 11,784,463 B2Marvell Asia Pte Ltd
- Optical amplifier30 Jul 2026US 2026/0221728 A1Foundation for Research and Technology Hellas
- Unpolarized optical signal amplification using polarization-dependent gain optical amplifiers30 Apr 2026US 2026/0121751 A1Denselight Semiconductors Pte Ltd
- Reflective optical amplifier array with shared drive23 Apr 2026US 2026/0112862 A1Lyte Ai, Inc.
- Optically-pumped semiconductor waveguide amplifier6 Feb 2025US 2025/0047054 A1University of Central Florida Research Foundation, Inc.
- Dummy light module comprising dual semiconductor optical amplifier19 Dec 2024US 2024/0421563 A1
Most cited
By later US patents
- Differentially pumped optical amplifer and mopa device79US 5,539,571 ASDL, Inc. · 1996
- Integrated opto-electronic wavelength converter assembly62US 6,580,739 B1Agility Communications, Inc. · 2003
- Differentially patterned pumped optical semiconductor gain media55US 5,793,521 ASDL, Inc. · 1998
- Optical amplifier52US 5,673,141 ACSELT - Centro Studi e Laboratori Telecommunicazioni S.p.A. · 1997
- Method for converting an optical wavelength using a monolithic wavelength converter assembly47US 6,349,106 B1Agility Communications, Inc. · 2002