quantum optics

Cooperative Behaviour at the Quantum Light-Matter Interface

We are seeking a Post-Doctoral researcher to work at the interface of cold atoms and quantum optics. This is a prestigious two-year fellowship to study collective strong coupling of light and matter in an optical ring resonator.

The experiment aims to:
• Demonstrate collective strong coupling of potassium atoms in a high-finesse cavity
• Examine the cooperative mechanics of cold atoms in dynamical optical lattices

A new PhD position in Theoretical Quantum Optics of Ultracold Quantum Gases and Nanostructures is available at the University of Oxford, Department of Physics.

The group is composed of four main researchers, and we develop theoretical and experimental research in

Characterization of Entanglement and the geommetry of quantum states
Entanglement Quantification and measurement
Decoherence and Disentanglement
Entanglement in systems of identical particles
Cavity QED in atoms and solid state systems
Quantum properties of light
Coupled cavities and simulation of quantum many body systems
Entanglement and theory of resources

This postdoctoral work will tackle the crucial question of the practical security of QKD systems. Indeed, while QKD can theoretically be proven absolutely secure, practical implementations may suffer from technological and protocol-operational imperfections that an attacker could exploit in order to compromise the security of the key establishment.

Research interests

Continuous variable entanglement

Mutipartite entanglement and distribution of entanglement

Quantum state reconstruction

Controlled collisions of atoms in Bose Einstein Condensates

Fundamental issues on quantum information

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