Bell state measurement
US-10805011-B2 · Oct 13, 2020 · US
Physics
Physics · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F2001/217 |
| Official title | — |
| Display label | Physics (mapped technology topic) |
| Total patents | 35 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Device and method for generating a key
US-2020201134-A1 · Jun 25, 2020 · US
Interconnect between different multi-quantum well waveguides in a semiconductor photonic integrated circuit
US-10684414-B1 · Jun 16, 2020 · US
Multimode interferometer, Mach-Zehnder modulation device
US-10606143-B2 · Mar 31, 2020 · US
Multimode interference based VPIN diode waveguides
US-10488732-B2 · Nov 26, 2019 · US
Fast optical switch and its applications in optical communication
US-2019253776-A1 · Aug 15, 2019 · US
Polarization splitting and combining apparatus
US-2019162986-A1 · May 30, 2019 · US
Bell state measurement
US-2019074911-A1 · Mar 7, 2019 · US
Fast optical switch and its applications in optical communication
US-10185202-B2 · Jan 22, 2019 · US
Device for modulating the intensity of an optical signal on four different levels
US-10142029-B2 · Nov 27, 2018 · US
Fast optical switch and its applications in optical communication
US-2018196327-A1 · Jul 12, 2018 · US
Process and a device for controlling superconductivity and superconductive materials
US-2017261831-A1 · Sep 14, 2017 · US
Device for modulating the intensity of an optical signal on four different levels
US-2017141852-A1 · May 18, 2017 · US
Optical modulator
US-9618821-B2 · Apr 11, 2017 · US
Optical waveguide modulator with an output MMI tap
US-9588395-B2 · Mar 7, 2017 · US
Optical reflector based on a directional coupler and a coupled optical loop
US-9575256-B2 · Feb 21, 2017 · US
Optical waveguide modulator with an output mmi tap
US-2016357085-A1 · Dec 8, 2016 · US
Optical reflector based on a directional coupler and a coupled optical loop
US-9429812-B2 · Aug 30, 2016 · US
Optical modulator
US-9329340-B2 · May 3, 2016 · US
Semiconductor Mach-Zehnder modulator and method for manufacturing semiconductor Mach-Zehnder modulators
US-9285613-B2 · Mar 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F2001/217?
- CPC G02F2001/217 is the Cooperative Patent Classification code for “Physics.”
- How many patents are filed under CPC G02F2001/217 (Physics)?
- Our database includes 35 publications tagged with this CPC code.
- Is patent activity under CPC G02F2001/217 growing?
- Publication counts under this code: 5 in 2019 vs 4 in 2020 (latest complete years).