Engineering of Quantum Emitter Properties

Chiral coupling occurs when a semiconductor quantum dot (QD) is positioned close to a C-Point (chiral point) of a nano-photonic waveguide. In these conditions, there is a strong dependence of the propagation direction on the circular polarization of the optical mode, with spin-up and spin-down exciton spins coupling to opposite propagation directions. This provides a mechanism by which a QD...

Semiconductor quantum dots are one of the best on-demand sources of single and entangled photons to date, simultaneously merging the highest brightness and indistinguishability of the emitted photons. They are, therefore, among the strongest candidates for practical single-qubit quantum photonic devices. However, to exploit the full advantage of quantum physics, multi-qubit photonic devices...