Quantum science with atoms and nanophotonics
We are interested in cooperative effects of atomic artificial particles which arise when emitters are placed in distances smaller than their resonance wavelength. Following our theoretical work presenting quantum metasurfaces we are eager to explore in our experimental system different atomic architectures that give rise to enhanced light-matter interaction based on cooperative effects.
ref: R .bekenstein et al., Nature Physics 16 (6), 2020
Quantum Light-matter with the single atom-photon
For achieving veasible quantum information processing we harness Silicon-Vacancy-Centers in diamond to acieve controlled interaction between single atomic and photonic particles. Our recent demonstration of a integrated pure single-photon source proves the practicality of Silicon-Vacancy-Centers for high-efficienct quantum operations.
E. Knall et. al., Physical Review Letters 129 (5), 053603 (2022)
Quantum algorithm and quantum information
Inspired by the experimental system we work with, we are developing quantum information protocols and algorithms. These involve protocols that consider practical experimental scenarios and non-ideal conditions. For example: we are looking into generation of highly entangled states for many photonic qubits useful for quantum information processing with atomic arrays. This research area involves both information theory and quantum optics techniques.
Quanutm mechanics and gravity intefraces - simulation systems
We simulate gravity models with combinations of quantum mechanics in table-top optical experiments. This is done by both experimenting with high-power lasers in nonlinear optical materials and developing theoretical models, such as one that maps the gravitational field to the laser intensity. After being the first to simulate the Newton-Schrodinger system we are aimed toward novel gravity models with nonlinear optics.
Atomic physics in curved waveguides
We are tackling challenges in quantum optics by exploring novel nanophotonics devices. For example, based on the development of curved-space waveguides that mimic curved space for electromagnetic waves, we are interested in understanding how light-matter interaction is affected by curvature. This research involves theory in quantum field theory along with nanophotonics and quantum optics experimental techniques.
ref: R .bekenstein et al., Nature Photonics, 11 (10), 2017