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Réalisation d'un micromaser à deux photons

Abstract : We have operated the first two-photon maser oscillator. It oscillates in a C.W. regime on a two-photon atomic transition. The use of Rubidium Rydberg states associated with a very high Q(~ 10^8) superconducting microwave cavity (f = 68 GHz) have made it possible to achieve oscillation with only a few atoms interacting with a few tens of photons (micromaser). This device combines two interesting features : it is a quantum oscillator working on an intrinsically non linear effect and it is a micromaser. It presents a great theoretical and experimental interest in the study of the quantum description of atom-field interaction. This work describes the experiment and gives a theoretical study of this device. We present first a semi-classical approach and next a full quantum description taking into account any fluctuation effects which are very important in this microscopic oscillator.
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https://tel.archives-ouvertes.fr/tel-00011863
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Submitted on : Thursday, March 9, 2006 - 9:09:56 AM
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  • HAL Id : tel-00011863, version 1

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Michel Brune. Réalisation d'un micromaser à deux photons. Physique Atomique [physics.atom-ph]. Université Pierre et Marie Curie - Paris VI, 1988. Français. ⟨tel-00011863⟩

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