Ultra-low noise quantum frequency conversion for trapped ion quantum network
US-2026079378-A1 · Mar 19, 2026 · US
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Sagnac type
Sagnac type · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/211 |
| Official title | {Sagnac type} |
| Display label | Sagnac type |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical encoder devices and systems
US-2024187096-A1 · Jun 6, 2024 · US
Optical encoder devices and systems
US-11996889-B2 · May 28, 2024 · US
Generator for generating an anti-kerr-effect modulated light signal, interferometry measuring device comprising such a generator, and method for modulating a light signal
US-2024159537-A1 · May 16, 2024 · US
Optical encoder devices and systems
US-2023163850-A1 · May 25, 2023 · US
Electrically tunable non-reciprocal phase shifter and polarization filter
US-2023098039-A1 · Mar 30, 2023 · US
Optical encoder devices and systems
US-11575438-B2 · Feb 7, 2023 · US
Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device
US-11366070-B2 · Jun 21, 2022 · US
Optical encoder devices and systems
US-2022085887-A1 · Mar 17, 2022 · US
Optical encoder devices and systems
US-11184087-B2 · Nov 23, 2021 · US
Modulated light source
US-11128103-B2 · Sep 21, 2021 · US
Optical encoder devices and systems
US-2021044353-A1 · Feb 11, 2021 · US
Pulsed light generation device, pulsed light generation method, exposure apparatus having pulsed light generation device and inspection apparatus having pulsed light generation device
US-2019094686-A1 · Mar 28, 2019 · US
Sagnac-ring fiber-optic interferometric system with Rayleigh length spaced polarizer
US-10041816-B2 · Aug 7, 2018 · US
Electro-optical Phase Modulator Having Stitched-in Vacuum Stable Waveguide with Minimized Conductivity Contrast
US-2017370723-A1 · Dec 28, 2017 · US
Optical fibre interferometric system
US-2017211952-A1 · Jul 27, 2017 · US
Devices, systems and methods for ultrafast optical applications
US-9658510-B2 · May 23, 2017 · US
Polarization Independent Reflective Modulator
US-2016337041-A1 · Nov 17, 2016 · US
Modulated light source
US-2016218481-A1 · Jul 28, 2016 · US
Devices, Systems And Methods For Ultrafast Optical Applications
US-2015378243-A1 · Dec 31, 2015 · US