Cooperative Optical Non-Linearity in a Blockaded Rydberg Ensemble
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Beschreibung
This thesis describes the first demonstration of a cooperative optical non-linearity based on Rydberg excitation. Whereas in conventional non-linear optics the non-linearity arises directly from the interaction between light and matter, in a cooperative process it is mediated by dipole-dipole interactions between light-induced excitations. For excitation to high Rydberg states where the electron is only weakly bound, the dipole-dipole interactions are extremely large and long range, enabling an enormous enhancement of the non-linear effect. Consequently, cooperative non-linear optics using Rydberg excitations opens a new era for quantum optics enabling large single photon non-linearity to be accessible in free space for the first time. The thesis describes the theoretical underpinnings of the non- linear effect, the pioneering experimental results and implications for experiments in the single photon regime.
This thesis describes the first demonstration of a cooperative optical non-linearity based on Rydberg excitation. Whereas in conventional non-linear optics the non-linearity arises directly from the interaction between light and matter, in a cooperative process it is mediated by dipole-dipole interactions between light-induced excitations. For excitation to high Rydberg states where the electron is only weakly bound, the dipole-dipole interactions are extremely large and long range, enabling an enormous enhancement of the non-linear effect. Consequently, cooperative non-linear optics using Rydberg excitations opens a new era for quantum optics enabling large single photon non-linearity to be accessible in free space for the first time. The thesis describes the theoretical underpinnings of the non- linear effect, the pioneering experimental results and implications for experiments in the single photon regime.
Reports a milestone advance in quantum optics Clearly describes both theoretical background and experimental realization Selected as an outstanding contribution by the University of Durham Includes supplementary material: sn.pub/extras
Autor*in
Jonathan D. Pritchard
Themen in »Cooperative Optical Non-Linearity in a Blockaded Rydberg Ensemble«
Cooperative Optical Phenomena Electromagnetically Induced Transparency Long Range Dipole-Dipole Interactions and Blockade Optical Bloch Equations for Interacting Three Level Atoms Optical Probing of Atomic Ensembles Photon Blockade Rydberg Atom Quantum Optics Single Photon Non-linearity