An Efficient On-chip Single-photon SWAP Gate for Entanglement Manipulation

Cheng X., Chang K., Xie Z., Lee Y. S., Sarihan M. C., Kumar A., ...More

Conference on Lasers and Electro-Optics (CLEO), San-Jose, Costa Rica, 10 - 15 May 2020, (Full Text)

  • Publication Type: Conference Paper / Full Text
  • Volume:
  • City: San-Jose
  • Country: Costa Rica
  • Middle East Technical University Affiliated: Yes

Abstract

We demonstrate an on-chip single photon SWAP gate between polarization and spatial-momentum qubit. Our SWAP gate shows gate fidelity of 97.44%, and polarization entanglement preservation of SWAP operation is confirmed with average visibility over 98%. (C) 2020 The Author(s)