Chalcogenide optical ring resonators for generating quantum-correlated photon pairs
US-2022299839-A1 · Sep 22, 2022 · US
using two-photon emission or absorption processes
using two-photon emission or absorption processes · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/3526 |
| Official title | {using two-photon emission or absorption processes} |
| Display label | using two-photon emission or absorption processes |
| Total patents | 102 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 14 |
| 2019 | 11 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 10 |
| 2024 | 10 |
| 2025 | 12 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cascaded resonators photon pair source
US-11442334-B2 · Sep 13, 2022 · US
Integrated photonics mode splitter and converter
US-11320720-B2 · May 3, 2022 · US
Tunable robust topological source of indistinguishable correlated photon pairs
US-2022075237-A1 · Mar 10, 2022 · US
Cascaded resonators photon pair source
US-2021333684-A1 · Oct 28, 2021 · US
Clock generation for a photonic quantum computer to convert electrical pulses into a plurality of clock signals
US-11119385-B2 · Sep 14, 2021 · US
Method of coding based on transition of lasing and non-lasing states of optical structure
US-2021203352-A1 · Jul 1, 2021 · US
Cascaded resonators photon pair source
US-2021157213-A1 · May 27, 2021 · US
Multi-frequency infrared imaging based on frequency conversion
US-11009772-B2 · May 18, 2021 · US
Cascaded resonators photon pair source
US-11009771-B1 · May 18, 2021 · US
Integrated photonics mode splitter and converter
US-2021116783-A1 · Apr 22, 2021 · US
Systems and methods for quantum communication using optical fiber links having a scattering region
US-2020379171-A1 · Dec 3, 2020 · US
Apparatus and methods for optical neural network
US-2020379504-A1 · Dec 3, 2020 · US
Scanned line angular projection microscopy
US-10830701-B2 · Nov 10, 2020 · US
Clock generation for a photonic quantum computer
US-2020301244-A1 · Sep 24, 2020 · US
Apparatus and methods for optical neural network
US-10768659-B2 · Sep 8, 2020 · US
Coherent photon analog-to-digital conversion device
US-10649308-B2 · May 12, 2020 · US
Multi-frequency infrared imaging based on frequency conversion
US-2020110326-A1 · Apr 9, 2020 · US
Miniature image relay endoscopy probe and multi-photon endoscopy including the same
US-2020069158-A1 · Mar 5, 2020 · US
High-energy femtosecond light pulses based on a gain-switched laser diode
US-2020052455-A1 · Feb 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/3526?
- CPC G02F1/3526 is the Cooperative Patent Classification code for “using two-photon emission or absorption processes.”
- How many patents are filed under CPC G02F1/3526 (using two-photon emission or absorption processes)?
- Our database includes 102 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/3526 growing?
- Publication counts under this code: 10 in 2024 vs 12 in 2025 (latest complete years).