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18 September 2018 Hybrid quantum systems in the microwave regime (Conference Presentation)
William J. Munro, Andreas Angerer , Thomas Astner , Stefan Putz, Jorg Schmiedmayer, Johannes Majer , Kae Nemoto
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Proceedings Volume 10733, Quantum Photonic Devices 2018; 107330L (2018) https://doi.org/10.1117/12.2320217
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States
Abstract
The efficient generation, coherent control, manipulation and measurement of quantum states of light and matter is at the core of quantum technologies. Hybrid quantum systems, where one combines the best parts of multiple individual quantum systems together without their weaknesses, are now seen as a way to engineer composite quantum systems with the properties one requires. This would in principle allow one to probe new physical regimes. However, the issue until recently has been that hybridization has not resulted in systems with superior properties. Recently however we [Nature Photonics 11, 3639 (2016)] have shown an increased coherence times in hybrid system is of composed nitrogen-vacancy centers strongly coupled to a superconducting microwave resonator. This demonstration has enabled this kind of hybrid system to enter the regime where quantum nonlinearities are present. We discuss several types of nonlinearity effects that can be naturally explored (bistability and superradiance). Our work paves the way for the creation of spin squeezed states, novel metamaterials, long-lived quantum multimode memories and solid-state microwave frequency combs. Further in the longer term it may enable the exploration of many-body phenomena in new cavity quantum electrodynamics experiments.
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William J. Munro, Andreas Angerer , Thomas Astner , Stefan Putz, Jorg Schmiedmayer, Johannes Majer , and Kae Nemoto "Hybrid quantum systems in the microwave regime (Conference Presentation)", Proc. SPIE 10733, Quantum Photonic Devices 2018, 107330L (18 September 2018); https://doi.org/10.1117/12.2320217
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KEYWORDS
Microwave radiation
Quantum efficiency
Bistability
Composites
Frequency combs
Metamaterials
Photonics
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