Author:
Gianini Linda,Barone Andrea,Bacchi Marcello,Faugier-Tovar Jonathan,Congia Sara,Borghi Massimo,Tagliavacche Noemi,Zatti Luca,Wilmart Quentin,Olivier Ségolène,Liscidini Marco,Galli Matteo,Bajoni Daniele
Abstract
We demonstrate a high-rate source of hyperentangled photons based on a silicon racetrack resonator. Hyperentanglement is verified by violating Bell’s inequality in both time and frequency domains, and obtaining a high-purity state using frequency-bin encoding.