First all-in-one chip integrating multiple quantum photonic functions enabling broadband entangled qubits compatible with fiber-optic networks

https://scitechdaily.com/scientists-build-first-all-in-one-chip-for-quantum-internet/

"low-cost, scalable chips comparable to classical transistors... portability leading to more stable/ secure quantum internet... microring resonator allows entangled photon pair generation, polarization splitter-rotators separating input light into different output paths depending on light’s polarization... >116 channel pairs/ colors of light waves for transmission, >100 of those channels high fidelity... potential for hyperentangled qubits entangled >1 way, such as by polarization and by color... scalable quantum internet"

Related: Quantum internet moves closer as researchers teleport light-based information
https://phys.org/news/2025-07-quantum-internet-closer-teleport-based.html