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Ultrahigh-finesse, low-mode-volume Fabry–Perot microcavity

TitleUltrahigh-finesse, low-mode-volume Fabry–Perot microcavity
Publication TypeJournal Article
Year of Publication2010
AuthorsA. Muller, E. B. Flagg, J. R. Lawall, and G. S. Solomon
JournalOptics Letters
Volume35
Pagination2293
Date Publishedjun
ISSN0146-9592
Keywords2010, Fabry-Perot, Multiple JQI Affil., Quantum optics, Single Fellow
Abstract

Ultralow-loss concave micromirrors with radius of curvature below 60$μ$m were fabricated by laser ablation and reflective coatings. A 10-$μ$m-long microcavity with a mode volume of 40$μ$m3 was set up with two such mirrors, and the cavity linewidth was measured both spectrally and temporally. The smallest linewidth obtained was 96MHz, corresponding to a quality factor of 3.3×106 and a finesse in excess of 1.5×105. With these parameters, we estimate that a variety of solid-state quantum emitters coupled to the cavity may enter the strong coupling regime.

URLhttp://ol.osa.org/abstract.cfm?URI=ol-35-13-2293

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