单分子纠缠双光子发射源及其制备方法、应用方法与装置
By fabricating a single layer of graphene and metal electrodes on a silicon wafer, assembling pentaphenyl dimer derivative molecules, and constructing a polarization-encoded encryption device, the problem of miniaturization and integration of traditional crystals in optical quantum systems was solved, realizing the miniaturization of a single-molecule entangled two-photon emission source and efficient quantum encrypted communication.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- NANKAI UNIV
- Filing Date
- 2026-04-28
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional bulk nonlinear crystals have limitations in miniaturization and functional integration of optical quantum systems, making it difficult to meet the needs of future quantum communication.
The method for preparing a graphene single-molecule entangled two-photon emission source includes: preparing a single-layer graphene silicon wafer, metal electrodes, graphene nano-gap electrode pairs, and assembling pentaphenyl dimer derivative molecules to construct a polarization encoding encryption device and achieve polarization encoding encryption.
It has achieved the miniaturization and integration of single-molecule entangled two-photon emission sources, providing the hardware foundation for high-speed, integrated quantum encrypted communication systems and improving photoelectric conversion efficiency and sensitivity.
Smart Images
Figure CN122121524B_ABST