H01S 5/50
Amplifier structures not provided for in groups h01s5/02 - h01s5/30
Official title: Amplifier structures not provided for in groups H01S5/02 - H01S5/30
H01S5/50 (Amplifier structures not provided for in groups h01s5/02 - h01s5/30) appears on 1,408 US grants and 1,145 published applications in this corpus.
Search patents in H01S- Granted patents
- 1,408
- Published applications
- 1,145
- Assignees
- 481
- Inventors
- 2,467
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 11 | 0 |
| 1989 | 10 | 0 |
| 1990 | 25 | 0 |
| 1991 | 22 | 0 |
| 1992 | 36 | 0 |
| 1993 | 24 | 0 |
| 1994 | 36 | 0 |
| 1995 | 37 | 0 |
| 1996 | 25 | 0 |
| 1997 | 35 | 0 |
| 1998 | 30 | 0 |
| 1999 | 28 | 0 |
| 2000 | 31 | 0 |
| 2001 | 30 | 10 |
| 2002 | 37 | 50 |
| 2003 | 48 | 57 |
| 2004 | 59 | 54 |
| 2005 | 42 | 80 |
| 2006 | 85 | 34 |
| 2007 | 30 | 38 |
| 2008 | 34 | 31 |
| 2009 | 35 | 36 |
| 2010 | 29 | 38 |
| 2011 | 29 | 46 |
| 2012 | 28 | 32 |
| 2013 | 34 | 32 |
| 2014 | 42 | 24 |
| 2015 | 42 | 27 |
| 2016 | 31 | 41 |
| 2017 | 50 | 28 |
| 2018 | 34 | 38 |
| 2019 | 30 | 52 |
| 2020 | 35 | 63 |
| 2021 | 40 | 65 |
| 2022 | 36 | 58 |
| 2023 | 56 | 67 |
| 2024 | 38 | 58 |
| 2025 | 46 | 50 |
| 2026 | 34 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 5/5009The arrangement being polarisation-insensitive139
- H01S 5/5027Concatenated amplifiers, i.e. amplifiers in series or cascaded117
- H01S 5/5045The arrangement having a frequency filtering function111
- H01S 5/5063Operating above threshold109
- H01S 5/509Wavelength converting amplifier55
- H01S 5/5036The arrangement being polarisation-selective43
- H01S 5/5054In which the wavelength is transformed by non-linear properties of the active42
- H01S 5/5081Specifically standing wave amplifiers10
Recent patents
- Systems and methods for semiconductor optical amplifier integration29 Sep 2026US 12,749,875 B1Cisco Technology, Inc.
- Optical semiconductor device, optical unit, and method for manufacturing optical unit25 Aug 2026US 12,719,237 B2Hamamatsu Photonics K.K.
- Light modulation element, beam steering device including the same, and electronic device including beam steering device18 Aug 2026US 12,710,681 B2Samsung Electronics Co., Ltd.
- 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.
- Laser device1 Oct 2026US 2026/0302727 A1Nichia Corporation
- Laser Structure1 Oct 2026US 2026/0302728 A1II-Vi Delaware, Inc.
- Chip with multiple semiconductor optical amplifiers10 Sep 2026US 2026/0267062 A1Lyte Ai, Inc.
- Optical module with demultiplexing assembly10 Sep 2026US 2026/0267086 A1Hisense Broadband Multimedia Technologies Co., Ltd.
- Cat's-eye swept source laser for OCT and spectroscopy27 Aug 2026US 2026/0251565 A1
Most cited
By later US patents
- Method and apparatus for performing optical imaging using frequency-domain interferometry229US 7,733,497 B2The General Hospital Corporation · 2010
- Cross-talk free, low-noise optical amplifier177US 5,436,759 AThe Regents of the University of California · 1995
- Methods and apparatus for swept-source optical coherence tomography168US 7,916,387 B2LightLab Imaging, Inc. · 2011
- Optical communication systems using raman repeaters and components therefor167US 4,616,898 APolaroid Corporation · 1986
- Wavelength division multiplexed optical communication transmitters142US 5,394,489 AAT&T Corp. · 1995