Abstract
We discuss the prospects for enhancing absorption and scattering of light from a weakly coupled atom in a high-finesse optical cavity by adding a medium with large, positive group index of refraction. The slow-light effect is known to narrow the cavity transmission spectrum and increase the photon lifetime, but the quality factor of the cavity may not be increased in a metrologically useful sense. Specifically, detection of the weakly coupled atom through either cavity ringdown measurements or the Purcell effect fails to improve with the addition of material slow light. A single-atom model of the dispersive medium helps elucidate why this is the case.
| Original language | English |
|---|---|
| Pages (from-to) | 723-729 |
| Number of pages | 7 |
| Journal | Journal of Modern Optics |
| Volume | 65 |
| Issue number | 5-6 |
| DOIs | |
| Publication status | Published - 30 Mar 2018 |
Bibliographical note
Publisher Copyright:© 2015, © 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group.
Keywords
- cavity quantum electrodynamics
- cavity ringdown spectroscopy
- Electromagnetically induced transparency
- Purcell effect
- slow light
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