Wavelength division multiplexer and silicon photonic integrated chip
US-12153260-B2 · Nov 26, 2024 · US
Polarisation insensitivity
Polarisation insensitivity · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02B6/29397 |
| Official title | {Polarisation insensitivity} |
| Display label | Polarisation insensitivity |
| Total patents | 49 |
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 | 4 |
| 2016 | 6 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Wavelength selective switch WSS
US-12088973-B2 · Sep 10, 2024 · US
Wavelength division multiplexer and silicon photonic integrated chip
US-2022390678-A1 · Dec 8, 2022 · US
Wavelength selective switch wss
US-2022360870-A1 · Nov 10, 2022 · US
Method and system for eliminating polarization dependence for 45 degree incidence MUX/DEMUX designs
US-11018796-B2 · May 25, 2021 · US
Polarization independent optical device
US-10735124-B2 · Aug 4, 2020 · US
Method and system for a polarization immune wavelength division multiplexing demultiplexer
US-10615903-B2 · Apr 7, 2020 · US
Method And System For Eliminating Polarization Dependence For 45 Degree Incidence MUX/DEMUX Designs
US-2020092025-A1 · Mar 19, 2020 · US
Method And System For A Polarization Immune Wavelength Division Multiplexing Demultiplexer
US-2019342026-A1 · Nov 7, 2019 · US
Method and system for eliminating polarization dependence for 45 degree incidence MUX/DEMUX designs
US-10469195-B2 · Nov 5, 2019 · US
Polarization Independent Optical Device
US-2019296850-A1 · Sep 26, 2019 · US
Micro-ring resonator
US-10359568-B2 · Jul 23, 2019 · US
Method and system for a polarization immune wavelength division multiplexing demultiplexer
US-10341040-B2 · Jul 2, 2019 · US
Method And System For Eliminating Polarization Dependence For 45 Degree Incidence MUX/DEMUX Designs
US-2019115995-A1 · Apr 18, 2019 · US
Silicon-based multiplexer/demultiplexer
US-10126507-B1 · Nov 13, 2018 · US
Silicon-based multiplexer/demultiplexer
US-2018321443-A1 · Nov 8, 2018 · US
Wavelength demultiplexer and wavelength multiplexer using same
US-10091565-B2 · Oct 2, 2018 · US
Silicon-based multiplexer/demultiplexer for O-band
US-10036853-B1 · Jul 31, 2018 · US
Optical multiplexer/demultiplexer device comprising Porro prisms
US-10001603-B2 · Jun 19, 2018 · US
Polarization-insensitive optical transceiver
US-9983359-B2 · May 29, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02B6/29397?
- CPC G02B6/29397 is the Cooperative Patent Classification code for “Polarisation insensitivity.”
- How many patents are filed under CPC G02B6/29397 (Polarisation insensitivity)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC G02B6/29397 growing?
- Publication counts under this code: 2 in 2022 vs 2 in 2024 (latest complete years).