Waveguide amplifier
US-2022311201-A1 · Sep 29, 2022 · US
provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102)
provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/0635 |
| Official title | {provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102)} |
| Display label | provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102) |
| Total patents | 73 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 4 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 15 |
| 2020 | 12 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser element, compound, method for producing compound and lasing sensitizer
US-2022294190-A1 · Sep 15, 2022 · US
Physically operable and mechanically reconfigurable light sources
US-11303089-B2 · Apr 12, 2022 · US
Method for manufacturing optical device
US-11300729-B2 · Apr 12, 2022 · US
Widely tunable infrared source system and method
US-2021351556-A1 · Nov 11, 2021 · US
Method for Manufacturing Optical Device
US-2021215877-A1 · Jul 15, 2021 · US
Tunable laser materials comprising solid-state blended polymers
US-2021203122-A1 · Jul 1, 2021 · US
Widely tunable infrared source system and method
US-11043787-B2 · Jun 22, 2021 · US
Physically operable and mechanically reconfigurable light sources
US-2021143605-A1 · May 13, 2021 · US
Distributed reflector laser
US-10944241-B2 · Mar 9, 2021 · US
Tunable laser with directional coupler
US-10862270-B2 · Dec 8, 2020 · US
Systems and methods for reduction of optical signal line width
US-10855372-B1 · Dec 1, 2020 · US
Photonic molecule laser
US-10833469-B2 · Nov 10, 2020 · US
Widely tunable infrared source system and method
US-2020335929-A1 · Oct 22, 2020 · US
Photonic molecule laser
US-2020220315-A9 · Jul 9, 2020 · US
Widely tunable infrared source system and method
US-10686288-B2 · Jun 16, 2020 · US
Enhanced coupling strength grating having a cover layer
US-10620379-B2 · Apr 14, 2020 · US
Low-speckle light source and imaging devices with micro-refractive element stabilized laser array
US-10620449-B2 · Apr 14, 2020 · US
Method of making an enhanced coupling strength grating having a cover layer
US-10620378-B2 · Apr 14, 2020 · US
Brillouin gain spectral position control of claddings for tuning acousto-optic waveguides
US-10615563-B2 · Apr 7, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/0635?
- CPC H01S3/0635 is the Cooperative Patent Classification code for “provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102).”
- How many patents are filed under CPC H01S3/0635 (provided with a periodic structure, e.g. using distributed feed-back, grating couplers (controlling, e.g. modulating distributed feed-back lasers H01S3/102))?
- Our database includes 73 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/0635 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).