Laser-Integrated Entirely On-Chip Turnkey Quantum Photonic Sources

We demonstrate an electrically-pumped laser-integrated quantum light source of entangled photons. The hybrid InP-Si
3
N
4
source emits frequency-bin entangled two- and high-dimensional quantum photonic states in the telecommunication C-band. This source is fully integrated, compact, and field-deployable, bringing the required scalability and stability to the quantum photonic sources for quantum information processing.