Optical modulator and method of forming the same
US-2025321441-A1 · Oct 16, 2025 · US
by substitution by dopant atoms
by substitution by dopant atoms · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/134 |
| Official title | by substitution by dopant atoms |
| Display label | by substitution by dopant atoms |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical modulator and method of forming the same
US-12422699-B2 · Sep 23, 2025 · US
Wavelength multiplexer/demultiplexer using metamaterials for optical fiber communications
US-12405425-B2 · Sep 2, 2025 · US
Hybrid silicon quantum dot lasers (hsqdl) with reduced thermal resistance
US-2025219349-A1 · Jul 3, 2025 · US
Composite substrate for electro-optic element and method for manufacturing the same
US-12025864-B2 · Jul 2, 2024 · US
Current-assisted photonic demodulator including doped modulation and collection regions arranged vertically and located in a compressive zone
US-2024192440-A1 · Jun 13, 2024 · US
High refractive index nanoimprintable resin for optical waveguide applications
US-2024168227-A1 · May 23, 2024 · US
Optical modulator and method of forming the same
US-2024045240-A1 · Feb 8, 2024 · US
Optical modulator robust to fabrication errors through an RF electrical crossing
US-11768392-B2 · Sep 26, 2023 · US
Optical modulator robust to fabrication errors through an RF electrical crossing
US-2023102304-A1 · Mar 30, 2023 · US
Wavelength multiplexer/demultiplexer using metamaterials for optical fiber communications
US-2023085821-A1 · Mar 23, 2023 · US
Back end of line process integrated optical device fabrication
US-11506840-B2 · Nov 22, 2022 · US
Optical modulator robust to fabrication errors through an RF electrical crossing
US-11460724-B2 · Oct 4, 2022 · US
Method for making semiconductor device including vertically integrated optical and electronic devices and comprising a superlattice
US-11355667-B2 · Jun 7, 2022 · US
Composite substrate for electro-optic element and method for manufacturing the same
US-2022004030-A1 · Jan 6, 2022 · US
Photonic integrated circuit incorporating a bandgap temperature sensor
US-RE48654-E · Jul 20, 2021 · US
Micro-ring modulator
US-11029465-B1 · Jun 8, 2021 · US
Optoelectronic device and method of manufacturing thereof
US-10969547-B2 · Apr 6, 2021 · US
Semiconductor device including vertically integrated optical and electronic devices and comprising a superlattice
US-10884185-B2 · Jan 5, 2021 · US
Optical modulator robust to fabrication errors through an RF electrical crossing
US-2020363665-A1 · Nov 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/134?
- CPC G02B6/134 is the Cooperative Patent Classification code for “by substitution by dopant atoms.”
- How many patents are filed under CPC G02B6/134 (by substitution by dopant atoms)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/134 growing?
- Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).