Thermal undercut structure for metasurface tuning
US-11531146-B2 · Dec 20, 2022 · US
the optical waveguides being made of semiconducting materials
the optical waveguides being made of semiconducting materials · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/3133 |
| Official title | {the optical waveguides being made of semiconducting materials} |
| Display label | the optical waveguides being made of semiconducting materials |
| Total patents | 76 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical coupler
US-2022091446-A1 · Mar 24, 2022 · US
Waveguide couplers for multi-mode waveguides
US-11275210-B1 · Mar 15, 2022 · US
Methods and apparatus providing thermal isolation of photonic devices
US-11217737-B2 · Jan 4, 2022 · US
Integrated electro-optical device
US-11199731-B2 · Dec 14, 2021 · US
Plasma dispersion effect for metasurface tuning
US-2021181378-A1 · Jun 17, 2021 · US
Cutoff modes for metasurface tuning
US-2021181386-A1 · Jun 17, 2021 · US
Thermal undercut structure for metasurface tuning
US-2021181594-A1 · Jun 17, 2021 · US
Integrated electro-optical device
US-2021033894-A1 · Feb 4, 2021 · US
Integrated electro-optical device
US-10871663-B2 · Dec 22, 2020 · US
Methods and apparatus providing thermal isolation of photonic devices
US-2020365787-A1 · Nov 19, 2020 · US
Methods and apparatus providing thermal isolation of photonic devices
US-10777722-B2 · Sep 15, 2020 · US
Wavelength selective switch and wavelength selection method
US-10551717-B2 · Feb 4, 2020 · US
Integrated quantum information processing controlled phase gate
US-10551719-B2 · Feb 4, 2020 · US
Integrated Electro-Optical Device
US-2019339551-A1 · Nov 7, 2019 · US
Carrier-effect based optical switch
US-10353267-B2 · Jul 16, 2019 · US
Optical signal processing device
US-10254625-B2 · Apr 9, 2019 · US
Methods and apparatus providing thermal isolation of photonic devices
US-2019013452-A1 · Jan 10, 2019 · US
Optical modulator
US-10162201-B2 · Dec 25, 2018 · US
Ring-resonator-based laser with multiple wavelengths
US-10141710-B2 · Nov 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/3133?
- CPC G02F1/3133 is the Cooperative Patent Classification code for “the optical waveguides being made of semiconducting materials.”
- How many patents are filed under CPC G02F1/3133 (the optical waveguides being made of semiconducting materials)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/3133 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).