Sven Höfling

Two-photon interference at telecom wavelengths for time-bin-encoded single photons from quantum-dot spin qubits

2015 · Nature Communications

Practical quantum communication between remote quantum memories rely on single photons at telecom wavelengths. Although spin-photon entanglement has been demonstrated in atomic and solid-state qubit systems, the produced single photons at short wavelengths and with …

Quantum Interference between Light Sources Separated by 150 Million Kilometers

2019 · Physical Review Letters

We report an experiment to test quantum interference, entanglement, and nonlocality using two dissimilar photon sources, the Sun and a semiconductor quantum dot on the Earth, which are separated by ∼150 million kilometers. By making …

Time-bin entangled photon pairs from quantum dots embedded in a self-aligned cavity

2021 · Technical University of Denmark, DTU Orbit (Technical University of Denmark, DTU)

We introduce a scalable photonic platform that enables efficient generation of entangled photon pairs from a semiconductor quantum dot. Our system, which is based on a self-aligned quantum dot- micro-cavity structure, erases the need for …