Ultrahigh finesse Fabry-Pérot superconducting resonator
- 16 April 2007
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 90 (16) , 164101
Abstract
The authors have built a microwave Fabry-Pérot resonator made of diamond-machined copper mirrors coated with superconducting niobium. Its damping time (Tc=130ms at 51GHz and 0.8K) corresponds to a finesse of 4.6×109, the highest ever reached for a Fabry-Pérot in any frequency range. This result opens many perspectives for quantum information processing, decoherence and nonlocality studies.Keywords
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