Physics – Quantum Physics
Scientific paper
2000-08-02
Physics
Quantum Physics
ReVTeX, 4 pages, 3 figures
Scientific paper
10.1364/OL.26.000166
We have tuned the whispering gallery modes of a fused silica microresonator over nearly 1 nm at 800 nm, i.e. over 0.5 FSR or 10^6 linewidths of the resonator. This has been achieved by a new method based on the stretching of a two-stem microsphere. The devices described below will permit new Cavity-QED experiments with this high-Q optical resonator when it is desirable to optimize its coupling to emitters with given transition frequencies. The tuning capability demonstrated here is compatible with both UHV and low temperature operation, which should be useful for future experiments with laser cooled atoms or single quantum dots.
Hare Jean
Ilchenko Vladimir S.
Klitzing Wolf von
Lefèvre-Seguin Valérie
Long Romain
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