5 papers
Experimental reconstruction of the few-photon nonlinear scattering matrix from a single quantum dot in a nanophotonic waveguide
Hanna Le Jeannic, Tomás Ramos, Signe F. Simonsen +8
Coherent photon-emitter interfaces offer a way to mediate efficient nonlinear photon-photon interactions, much needed for quantum information processing. Here we experimentally stu…
Lifetimes and quantum efficiencies of quantum dots deterministically positioned in photonic-crystal waveguides
Xiao-Liu Chu, Tommaso Pregnolato, Rüdiger Schott +4
Interfacing single emitters and photonic nanostructures enables modifying their emission properties, such as enhancing individual decay rates or controlling the emission direction.…
Deterministic positioning of nanophotonic waveguides around single self-assembled quantum dots
Tommaso Pregnolato, Xiao-Liu Chu, Tim Schröder +5
The capability to embed self-assembled quantum dots (QDs) at predefined positions in nanophotonic structures is key to the development of complex quantum photonic architectures. He…
Coherent optical control of a quantum-dot spin-qubit in a waveguide-based spin-photon interface
Dapeng Ding, Martin Hayhurst Appel, Alisa Javadi +12
Waveguide-based spin-photon interfaces on the GaAs platform have emerged as a promising system for a variety of quantum information applications directly integrated into planar pho…
Soft-mask fabrication of gallium arsenide nanomembranes for integrated quantum photonics
Leonardo Midolo, Tommaso Pregnolato, Gabija Kiršanskė +1
We report on the fabrication of quantum photonic integrated circuits based on suspended GaAs membranes. The fabrication process consists of a single lithographic step followed by i…