Driven-dissipative preparation of entangled states in cascaded quantum-optical networks

By K. Stannigel, Peter Rabl, Peter Zoller. 2011

193 citations recorded by the source corpus.

We study the dissipative dynamics and the formation of entangled states in driven cascaded quantum networks, where multiple systems are coupled to a common unidirectional bath. Specifically, we identify the conditions under which emission and coherent reabsorption of radiation drives the whole network into a pure stationary state with non-trivial quantum correlations between the individual nodes. We illustrate this effect in more detail for the example of cascaded two-level systems, where we present an explicit preparation scheme that allows one to tune the whole network through ‘bright’ and ‘dark’ states associated with different multi-partite entanglement patterns. In a complementary setting consisting of cascaded nonlinear cavities, we find that two cavity modes can be driven into a non-Gaussian entangled dark state. Potential realizations of such cascaded networks with optical and microwave photons are discussed.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/fa0614118a5d4a331069dae57fda033f458c5860

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Artificial Intelligence

In Atomic and Molecular Physics, and Optics

Citations in the corpus

Microwave photonics with superconducting quantum circuits (2017, background): “Topics related to the interaction between the atoms are decoherence-free subspaces [669], multiphoton generation [698], as well as the use of photonic drives to generate entanglement [255, 678, 693, 694] and dark states [255, 668, 679].”
Dynamics of Many-Body Photon Bound States in Chiral Waveguide QED (2019, background): “With these assumptions, the emitter dynamics driven by the input field is known to be described by a purely dissipative chiral master equation (ME) of the form [28,29] (see the Supplemental Material [30] for more information):”
Quantum matter built from nanoscopic lattices of atoms and photons (2018, background): “…atoms are coupled to a chiral waveguide, so that each atom only “sees” the emission from other atoms situated to one side, also realizes an interesting class of collective dissipative models, known as a “cascaded” open system (Carmichael, 1993; Gardiner, 1993; Stannigel, Rabl, and Zoller, 2012).”