H01S 5/509
Wavelength converting amplifier
Official title: {Wavelength converting amplifier, e.g. signal gating with a second beam using gain saturation}
H01S5/509 (Wavelength converting amplifier) appears on 55 US grants and 37 published applications in this corpus.
Search patents in H01S- Granted patents
- 55
- Published applications
- 37
- Assignees
- 49
- Inventors
- 139
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 5 |
| 2004 | 5 | 0 |
| 2005 | 4 | 5 |
| 2006 | 6 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 3 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laser module21 Jul 2026US 12,689,185 B2Hamamatsu Photonics K.K.
- Designs for lateral current control in optical amplifiers and lasers23 Dec 2025US 12,506,320 B2Freedom Photonics LLC
- Laser system and electronic device manufacturing method3 Dec 2024US 12,160,085 B2Gigaphoton Inc.
- Laser system and method for manufacturing electronic device19 Sep 2023US 11,764,541 B2Gigaphoton Inc.
- Methods and systems to generate laser light28 Mar 2023US 11,616,340 B2Google Inc.
- Laser module9 Nov 2023US 2023/0361536 A1Hamamatsu Photonics K.K.
- Designs for lateral current control in optical amplifiers and lasers26 Jan 2023US 2023/0023686 A1Freedom Photonics LLC
- Laser system and electronic device manufacturing method22 Jul 2021US 2021/0226411 A1Gigaphoton Inc.
- Laser system and method for manufacturing electronic device22 Jul 2021US 2021/0226414 A1Gigaphoton Inc.
- Methods and systems to generate laser light27 Aug 2020US 2020/0274324 A1North Inc.
Most cited
By later US patents
- All-optical, tunable regenerator, reshaper and wavelength converter55US 6,947,206 B2Kailight Photonics, Inc. · 2005
- Integrated multi-wavelength and wideband lasers46US 6,628,686 B1Fox-Tek, Inc. · 2003
- Semiconductor interferometric optical wavelength conversion device34US 6,069,732 ALucent Technologies Inc. · 2000
- Method, device, and system for waveform shaping of signal light30US 6,608,854 B1Fujitsu Limited · 2003
- Polarization-insensitive optical four-photon mixer28US 5,400,164 AAT&T Corp. · 1995