Optical amplifier and related device
US-2026074481-A1 · Mar 12, 2026 · US
by all-optical means, e.g. gain-clamping
by all-optical means, e.g. gain-clamping · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/1302 |
| Official title | {by all-optical means, e.g. gain-clamping} |
| Display label | by all-optical means, e.g. gain-clamping |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 5 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical amplification device and optical amplification method
US-12548967-B2 · Feb 10, 2026 · US
Optical frequency comb control
US-12470037-B2 · Nov 11, 2025 · US
Femto-second fiber laser system of feedback structure
US-2025219345-A1 · Jul 3, 2025 · US
Optical arrangement having an auxiliary resonator, and method for amplifying or for creating a laser beam
US-2024372310-A1 · Nov 7, 2024 · US
Gas laser amplifier, gas laser apparatus, euv light generation apparatus, and euv exposure apparatus
US-2024128705-A1 · Apr 18, 2024 · US
Method and laser system for generating output laser pulses with an optical component with temperature-dependent power efficiency and associated computer program product
US-11942752-B2 · Mar 26, 2024 · US
Method and laser system for generating output laser pulses with an optical component with temperature-dependent power efficiency and associated computer program product
US-2023387640-A1 · Nov 30, 2023 · US
Methods and laser systems for generating amplified pulse-on-demand output laser pulses
US-11735884-B2 · Aug 22, 2023 · US
Optical amplification device and optical amplification method
US-2023261430-A1 · Aug 17, 2023 · US
Optical frequency comb control
US-2022416498-A1 · Dec 29, 2022 · US
Fiber amplifier
US-2022329035-A1 · Oct 13, 2022 · US
Multicore optical fiber amplifier and optical amplification method using multicore optical fiber amplification medium
US-11398711-B2 · Jul 26, 2022 · US
Optical amplifier and control method therefor
US-11329444-B2 · May 10, 2022 · US
Method for realizing precise target gain control for hybrid fibre amplifier, and hybrid fibre amplifier
US-11239628-B2 · Feb 1, 2022 · US
Laser system
US-11217962-B2 · Jan 4, 2022 · US
Optical amplifier
US-11196227-B2 · Dec 7, 2021 · US
Multicore optical fiber amplifier and optical amplification method using multicore optical fiber amplification medium
US-2021359485-A1 · Nov 18, 2021 · US
Methods and laser systems for generating amplified pulse-on-demand output laser pulses
US-11165214-B2 · Nov 2, 2021 · US
Integrated component for an optical amplifier
US-10923875-B2 · Feb 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/1302?
- CPC H01S3/1302 is the Cooperative Patent Classification code for “by all-optical means, e.g. gain-clamping.”
- How many patents are filed under CPC H01S3/1302 (by all-optical means, e.g. gain-clamping)?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/1302 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).