H01S 5/2027
Reflecting region or layer, parallel to the active layer
Official title: {Reflecting region or layer, parallel to the active layer, e.g. to modify propagation of the mode in the laser or to influence transverse modes}
H01S5/2027 (Reflecting region or layer, parallel to the active layer) appears on 209 US grants and 241 published applications in this corpus.
Search patents in H01S- Granted patents
- 209
- Published applications
- 241
- Assignees
- 125
- Inventors
- 473
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 4 |
| 2002 | 5 | 11 |
| 2003 | 10 | 6 |
| 2004 | 8 | 6 |
| 2005 | 6 | 14 |
| 2006 | 12 | 10 |
| 2007 | 5 | 6 |
| 2008 | 8 | 9 |
| 2009 | 9 | 10 |
| 2010 | 11 | 10 |
| 2011 | 9 | 6 |
| 2012 | 2 | 6 |
| 2013 | 8 | 6 |
| 2014 | 6 | 3 |
| 2015 | 5 | 4 |
| 2016 | 6 | 6 |
| 2017 | 5 | 14 |
| 2018 | 8 | 7 |
| 2019 | 12 | 10 |
| 2020 | 9 | 5 |
| 2021 | 5 | 10 |
| 2022 | 6 | 19 |
| 2023 | 10 | 21 |
| 2024 | 5 | 13 |
| 2025 | 12 | 15 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Grating coupled vertical cavity optoelectronic devices122US 6,031,243 A2000
- Method and apparatus for mode locking of external cavity semiconductor lasers with saturable Bragg reflectors71US 6,449,301 B1The Regents of the University of California · 2002
- Cylindrical-wave controlling, generating and guiding devices61US 5,357,591 A1994
- Optical amplifier with damped relaxation oscillation58US 6,943,939 B1Finisar Corporation · 2005
- Substrate stack construction for enhanced coupling efficiency of optical couplers51US 6,282,219 B1Texas Instruments Incorporated · 2001