A fibre optic integrated quantum memory for light
US-2023420046-A1 · Dec 28, 2023 · US
Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity
Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2201/17 |
| Official title | Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity |
| Display label | Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity |
| Total patents | 78 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 8 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 11 |
| 2022 | 5 |
| 2023 | 13 |
| 2024 | 3 |
| 2025 | 9 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical path length extender
US-11852839-B2 · Dec 26, 2023 · US
Apparatus for the spectral broadening of laser pulses and optical system
US-11846866-B2 · Dec 19, 2023 · US
TeraPHY chiplet optical input/output system
US-11822119-B2 · Nov 21, 2023 · US
Optical modulator, phase shifter, and optical communication apparatus
US-2023333439-A1 · Oct 19, 2023 · US
Method and apparatus for fabricating optical resonance structure with high q-factor using ultra-thin 1d grating structure
US-2023246416-A1 · Aug 3, 2023 · US
TeraPHY Chiplet Optical Input/Output System
US-2023194782-A1 · Jun 22, 2023 · US
Optical modulator and control method therefor
US-2023194907-A1 · Jun 22, 2023 · US
TeraPHY chiplet optical input/output system
US-11579361-B2 · Feb 14, 2023 · US
Techniques for multi-layer liquid crystal active light modulation
US-2023029109-A1 · Jan 26, 2023 · US
Image Capturing Apparatus
US-2022326560-A1 · Oct 13, 2022 · US
Image capturing apparatus
US-11402708-B2 · Aug 2, 2022 · US
Methods and apparatus for modulating light with phase change materials
US-11320647-B2 · May 3, 2022 · US
Free-carrier absorption variable optical attenuators and thermal phase shifters formed by an optical waveguide having multiple passes in an intrinsic region
US-11226504-B2 · Jan 18, 2022 · US
Display And Electronic Apparatus
US-2022004059-A1 · Jan 6, 2022 · US
Optical Modulator From Standard Fabrication Processing
US-2021373413-A1 · Dec 2, 2021 · US
Lidar system based on silicon-based integrated magneto-optical circulator
US-2021349191-A1 · Nov 11, 2021 · US
Display and electronic apparatus
US-11150516-B2 · Oct 19, 2021 · US
Resonant liquid crystal devices
US-11137655-B2 · Oct 5, 2021 · US
TeraPHY Chiplet Optical Input/Output System
US-2021286129-A1 · Sep 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2201/17?
- CPC G02F2201/17 is the Cooperative Patent Classification code for “Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity.”
- How many patents are filed under CPC G02F2201/17 (Multi-pass arrangements, i.e. arrangements to pass light a plurality of times through the same element, e.g. by using an enhancement cavity)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC G02F2201/17 growing?
- Publication counts under this code: 3 in 2024 vs 9 in 2025 (latest complete years).