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NATO ASI series. Series B : Physics

The One-Atom Maser - A Test System for Simple Quantum Electro-Dynamic Effects

HERBERT WALTHER

Published Jan 1, 1986• 0 citations
Publisher
DOI
10.1007/978-1-4613-2181-1_21

Related papers

THE ONE-ATOM MASER – A TEST SYSTEM FOR SIMPLE QUANTUM ELECTRODYNAMIC EFFECTS

HERBERT WALTHER

Elsevier eBooks•Jan 1, 1987•2 citations

Single-atom experiments and the test of fundamental quantum physics

HERBERT WALTHER

The work on the one-atom maser is reviewed. The superconducting maser cavity made of niobium and cooled to 0.5 K to exclude thermal photons has a quality factor of 3 X 1010. Velocity-selected Rydberg atoms pump the maser. The field inside the cavity is investigated by probing the atoms leaving the cavity. The dynamics of the Rabi nutation were investigated. Furthermore, the statistics of the photons in the cavity were determined to be sub-Poissonian corresponding to photon-number fluctuations of 70% below the vacuum-state limit. The one-atom maser is the only maser system which leads to nonclassical radiation even when pumping processes with Poissonian statistics are used. Some applications of the one- atom maser to study the quantum measurement process also are discussed.

Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE•Oct 28, 1992•0 citations

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Gerhard Rempe, HERBERT WALTHER

Experiments performed with the single-atom maser are described. The theory of the interaction of a single atom with a single electromagnetic mode of a resonant cavity is tested and the predicted dynamics such as collapse and revival of the Rabi nutation is observed.

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NATO ASI series. Series B : Physics•Jan 1, 1992•1 citation

Rydberg Atoms

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The progress achieved during the last few years in using Rydberg atoms to test the foundations of quantum electrodynamics is reviewed. In particular, the effects of blackbody radiation on their dynamical properties, the modification of their rate of spontaneous emission in tailored environments, and the one-atom maser are discussed. Possibilities of testing the predictions of the Jaynes-Cummings model are also briefly addressed.

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Quantum states in a one atom maser

Varcoe

Conference on Lasers and Electro-Optics•Jan 1, 2004•0 citations
The work on the one-atom maser is reviewed. The superconducting maser cavity made of niobium and cooled to 0.5 K to exclude thermal photons has a quality factor of 3 X 1010. Velocity-selected Rydberg atoms pump the maser. The field inside the cavity is investigated by probing the atoms leaving the cavity. The dynamics of the Rabi nutation were investigated. Furthermore, the statistics of the photons in the cavity were determined to be sub-Poissonian corresponding to photon-number fluctuations of 70% below the vacuum-state limit. The one-atom maser is the only maser system which leads to nonclassical radiation even when pumping processes with Poissonian statistics are used. Some applications of the one- atom maser to study the quantum measurement process also are discussed.