Quantum frequency up-conversion of heralded single photon orbital angular momentum states

@article{Zhou2016QuantumFU,
  title={Quantum frequency up-conversion of heralded single photon orbital angular momentum states},
  author={Qiang Zhou and Yan Li and Bao-sen Shi},
  journal={2016 Conference on Lasers and Electro-Optics (CLEO)},
  year={2016},
  pages={1-2}
}
Frequency up-conversion of heralded single photon OAM states from 1560 nm to 525 nm is presented. Non-classical correlation and coherent properties are preserved in the up-conversion process.