![Spontaneous Parametric Down‐Conversion Sources for Multiphoton Experiments - Zhang - 2021 - Advanced Quantum Technologies - Wiley Online Library Spontaneous Parametric Down‐Conversion Sources for Multiphoton Experiments - Zhang - 2021 - Advanced Quantum Technologies - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/0af59914-a84c-4bfd-b9f6-ee1568f523c6/qute202000132-gra-0001-m.jpg?trick=1699861525037)
Spontaneous Parametric Down‐Conversion Sources for Multiphoton Experiments - Zhang - 2021 - Advanced Quantum Technologies - Wiley Online Library
Labeled diagram of type II spontaneous parametric down-conversion of entangled photon pair with wave equation - Openclipart
![Three different types of parametric down-conversion schemes: (a) type-I... | Download Scientific Diagram Three different types of parametric down-conversion schemes: (a) type-I... | Download Scientific Diagram](https://www.researchgate.net/publication/202847379/figure/fig4/AS:393916550533133@1470928433083/Three-different-types-of-parametric-down-conversion-schemes-a-type-I-phasematching.png)