High-dimensional frequency-bin tomography with random measurements
Hsuan‐Hao Lu, Andrew M. Weiner, Joseph M. Lukens · Conference on Lasers and Electro-Optics · 2021
Utilizing electro-optic modulation and pulse shaping for random measurements, we reconstruct the full density matrix of biphoton frequency combs for entangled qudits up to d = 5. Our method relies on simple experimental settings and can be applied to any frequency-bin quantum system.