'current Coherent control Couplings Directional couplers Etching Future applications High-fidelity Integrated quantum photonic Logic gates Optical waveguides Photonic devices Photonic integration technology Photonics Photonics Integrated Circuits Quantum Computing Quantum computers Quantum optics Quantum photonics Resonators Scalability and performance Sensitivity analysis Silicon photonic integrated circuits Silicon photonics Standards coherent control integrated quantum photonics quantum electronics silicon photonics