Work packages

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SP1 Enabling Technologies

WP 1.1: Strong Light-Atom Coupling 

Leader: G. Rempe/S. Ritter

This WP aims at tailoring deterministic interactions, in particular strong light-atom coupling, and exploiting non-linearities to enable quantum simulation and quantum interfaces. Cavity-QED based atom-photon interaction, Rydberg-Rydberg interactions, effective photon-photon and strong opto-mechanical interactions provide an interface e.g. for efficient quantum communication (SP3) and have far-reaching applications in quantum simulation (SP2).


WP 1.2: Strong Coupling to Solid State Systems

Leader: J. Wrachtrup

This WP will aim at achieving strong coupling regime in solid state systems as an enabling tool for the realization of quantum protocols. Several hybrid platforms will be investigated, such as light coupled to mechanical and electrical oscillators, ultracold atoms to micromechanical oscillators, and individual nitrogen-vacancy (NV) centers to phonon modes.



SP2 Quantum Simulation

WP 2.1: Quantum Simulation with Neutral Particles 

Leader: S. Kuhr

The workpackage WP2.1 aims at exploring various methods for quantum simulation with neutral particles. Several projects investigate the dynamics of many-quantum body systems in optical lattices: Strong artificial magnetic fields will be used to explore for example quantum Hall physics, and long-range interactions induced by Rydberg excitations can generate quantum crystals or novel quantum phases. Several projects use most-recently developed techniques such as single-atom-resolved imaging to probe these or other states, such as quantum states of strongly correlated fermionic systems. In addition to the ground state properties, several projects in this workpackage focus on the exploration of dynamical effects, such as non-equilibrium dynamics, as well as transport and conduction phenomena. 


WP 2.2: Quantum Simulation with Charged Particles 

Leader: R. Blatt/C. Ross

WP2.2 aims at developing quantum simulations with charged particles using a bottom-up approach. The experimental platforms are crystals of ions excited by coherent laser radiation and arrays of coupled semiconductor quantum dots. The overall goal of the work package is to demonstrate that these physical systems constitute versatile quantum simulators that allow for the implementation of non-trivial quantum simulations.



SP3 Quantum Interfaces

WP 3.1: Efficient Quantum Communication 

Leader: N. Gisin/R. Thew

In WP3.1 we are targeting the development of novel hybrid quantum devices that bridge the gap between optical and atomic, or even mechanical, systems for efficient quantum communication. In the context of this project we are not only looking at long range quantum communication, quantum repeaters being the archetypal example, but also short range, for example, for table top quantum simulations where multiple devices need to be interfaced by quantum optical communication channels


WP 3.2: Quantum Enhanced Sensing

Leader: Ph. Treutlein

The objective of WP3.2 is to develop novel precision sensors based on coherently controlled individual quantum systems and entangled states of multi-particle systems. A variety of different approaches will be pursued in experiments involving systems from atomic physics, such as ultracold atoms and atomic ions, as well as solid-state physics, such as NV color centers in diamond and nanomechanical oscillators. These experiments are complemented by theoretical work, including the realistic modeling of the systems in the presence of noise and decoherence as well as the development of strategies for improved robustness such as optimal control and dynamical decoupling.



SP4 Exploitation

WP 4.1: Quantum Many Body Systems

Leader: M. Plenio/M. Cramer

This work package is concerned with fundamental aspects of the theory of quantum many body systems. It will deliver numerical algorithms and novel theoretical concepts for quantum simulators as well as methods for their optimal control.


WP 4.2: Protocols 

Leader: R. Werner

This work package focuses on protocols, in the sense of systematic and generalizable ways of achieving a goal either by utilizing quantum features of the underlying system or in order to implement a specific non-classical state or operation. The tasks described below are designed to construct building blocks for more complex operations. Procedures for certification and validation, which would also come under this heading have been collected in the subsequent WP4.3.


WP 4.3: Certification and Validation

Leader: J. Eisert

This work package addresses some of these questions from a theoretical perspective in the context of quantum simulation of quantum many body systems which the aim of guiding and supporting related experimental efforts. These questions aim at a general theoretical framework of quantum simulators as a solid foundation for dependable applications. 



SP 5: Management and Communication

WP 5.1: Financial, contractual and project management

Leader: T. Calarco

This WP (together with WP0.2) aims to act as a “support centre” for the whole SIQS project. In particular its objectives will be:To provide administrative, financial and legal support services to the Consortium; To liaise with the Commission (especially with respect to the managing of financial and legal aspects of the contract); To maintain the Consortium Agreement and IPR related matters; To coordinate the technical works of the partners in order to reach the project objectives within the agreed budget and time scales; To assist the Coordinators in the reporting to the Commission


WP 5.2: Internal and external communication

Leader: F. Schimidt-Kaler

This WP complements WP0.1 in the task of creating the project “support centre”. In particular it will: Ensure an efficient flow of information between all the project participants (Coordinator, governing and operational bodies, partners); Assist the project operational bodies in implementing decisions from the General Assembly; Keep records of all documents produced by partners for internal and external communication and dissemination; Ensure the realizations of joint collaborative tasks such as clustering, inter-project collaborations, initiative-level promotion activities and contribution to FET-wide events and publications.