Photon pair generator and quantum cryptography system employing the same
US10129021B2 · kind B2 · utility
3Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2015 |
| Grant date | Nov 13, 2018 |
| Priority date | — |
| Expiry date | Apr 13, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/70
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A photon pair generator includes a light source configured to emit light, and a nonlinear optical element configured to receive the light radiated from the light source and generate a quantum-entangled photon pair through spontaneous parametric down-conversion (SPDC), the nonlinear optical element including a polar material layer and a nonlinear material layer provided on the polar material layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.