Generation and Parallel Manipulation of Frequency Entangled Qubits from a 21 GHz Silicon-On-Insulator Micro-Resonator

The Silicon On Insulator (SOI) is a promising platform for the generation of correlated and entangled photon pairs, as silicon photonics inherits the precise, mature, and accurate technologies from Silicon micro-electronics and allows the large-scale production of integrated photonic chips. In particular, high-quality-factor micro-resonators are well suited for producing telecom-wavelength bi-photon frequency combs, key elements for quantum information, as telecom photons are good candidates for the future links between quantum communication nodes or quantum computers [1]. Using the frequency domain for encoding information is an elegant way to access a high-dimensional Hilbert space, in one spatial mode. Recent progress in the manipulation using electro-optics devices leveraged versatile applications [2] and Hadamard gates have been implemented with classical light [3]