Quantum Photonics with Semiconductor Quantum Dots

Quantum dots are tiny semiconductor structures that hold great potential for advancing quantum communication and quantum sensing. Recent advances in the synthesis and characterization of these nanostructures have led to improved quantum light emission with high brightness and indistinguishability, which is crucial for practical quantum technology applications. Embedding quantum dots in photonic integrated circuits holds the promise of an on-chip quantum network of quasi-identical, entangled semiconductor quantum dots. Such devices will be the fundamental building blocks for the generation of large entangled states between flying qubits (photons) and/or matter qubits (spins). The challenges for the realization of such a system will be discussed and the way towards applications such as an all-optical quantum repeater explored.