Frequency-bin Bell state generation via successive single and dual spectral-line pumping
Suparna Seshadri, Hsuan‐Hao Lu, Daniel E. Leaird, Andrew M. Weiner, Joseph M. Lukens · Conference on Lasers and Electro-Optics · 2022
We demonstrate a simple and versatile scheme to generate all four two-dimensional frequency-bin Bell states using single and dual spectral-line pumps and passive filtering. Experimentally, we measure ≥97% fidelity for all states.