G02F 1/3133
The optical waveguides being made of semiconducting materials
Official title: {the optical waveguides being made of semiconducting materials}
G02F1/3133 (The optical waveguides being made of semiconducting materials) appears on 175 US grants and 124 published applications in this corpus.
Search patents in G02F- Granted patents
- 175
- Published applications
- 124
- Assignees
- 97
- Inventors
- 330
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 6 | 10 |
| 2004 | 4 | 8 |
| 2005 | 7 | 9 |
| 2006 | 8 | 2 |
| 2007 | 3 | 1 |
| 2008 | 2 | 5 |
| 2009 | 3 | 5 |
| 2010 | 6 | 5 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 4 | 3 |
| 2014 | 1 | 5 |
| 2015 | 2 | 5 |
| 2016 | 11 | 6 |
| 2017 | 5 | 17 |
| 2018 | 11 | 8 |
| 2019 | 4 | 3 |
| 2020 | 4 | 2 |
| 2021 | 2 | 7 |
| 2022 | 3 | 1 |
| 2023 | 6 | 4 |
| 2024 | 3 | 4 |
| 2025 | 2 | 7 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System, method and apparatus for non-mechanical optical and photonic beam steering14 Apr 2026US 12,601,950 B2Exciting Technology LLC
- Reconfigurable electro-optical logic gate to perform multiple logic operations10 Feb 2026US 12,547,049 B2Hewlett Packard Enterprise Development LP
- Waveguide couplers for multi-mode waveguides29 Jul 2025US 12,372,725 B1Psiquantum, Corp.
- Plasma dispersion effect for metasurface tuning13 May 2025US 12,298,540 B2Luminar Technologies, Inc.
- System, method and apparatus for non-mechanical optical and photonic beam steering6 Aug 2024US 12,055,836 B2Exciting Technology LLC
- Optical switch and light steering system including the optical switch4 Jun 2026US 2026/0153777 A1Samsung Electronics Co., Ltd.
- Optical devices and methods of manufacture13 Nov 2025US 2025/0347940 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Modulators based on cascaded mach-zehnder interferometers23 Oct 2025US 2025/0328055 A1GLOBALFOUNDRIES U. S. Inc.
- Coherent multi-beam optical phased array for rf beamforming9 Oct 2025US 2025/0317215 A1
- Tunable photonic couplers for electronic/photonic systems and methods of forming the same24 Jul 2025US 2025/0237810 A1Taiwan Semiconductor Manufacturing Company.Ltd
Most cited
By later US patents
- Planar optical waveguide, modulator, variable coupler and switch158US 4,166,669 AMassachusetts Institute of Technology · 1979
- Variable optical coupler155US 3,976,358 AInternational Standard Electric Corporation · 1976
- Resonator modulators and wavelength routing switches145US 6,052,495 AMassachusetts Institute of Technology · 2000
- Tuning the index of a waveguide structure143US 7,120,338 B2California Institute of Technology · 2006
- Semiconductor micro-resonator device119US 6,009,115 ANorthwestern University · 1999