Laser frequency stabilization to highly excited state transitions using electromagnetically induced transparency in a cascade system

Abstract

We demonstrate laser frequency stabilization to excited state transitions using cascade electromagnetically induced transparency (EIT). Using a room temperature Rb vapor cell as a reference, we stabilize a first diode laser to the D2 transition and a second laser to a transition from the intermediate state to a Rydberg state with principal quantum number n=19 - 70. A combined laser linewidth of 280 kHz over a 0.1 ms time period is achieved. This method may be applied generally to any cascade system and allows laser stabilization to an atomic reference in the absence of strong optical transitions.

3 pages, 4 figures, with corrections

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• Coherent optical detection of highly excited Rydberg states using electromagnetically induced transparency
• Giant electro-optic effect using polarizable dark states
• Modulation transfer spectroscopy in atomic rubidium
• Electromagnetically induced transparency of an interacting cold Rydberg ensemble
• Optical transfer cavity stabilization using current-modulated injection-locked diode lasers
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Cited by in corpus (47)

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• Spatially Resolved Excitation of Rydberg Atoms and Surface Effects on an Atom Chip
• A practical guide to electromagnetically induced transparency in atomic vapor
• Electromagnetically induced transparency of an interacting cold Rydberg ensemble
• Enhanced electric field sensitivity of rf-dressed Rydberg dark states
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• Sub-natural linewidths in excited-state spectroscopy
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