|
| related topics |
| {level, atom, field} |
| {state, states, coherent} |
| {time, wave, function} |
| {cavity, atom, atoms} |
| {time, decoherence, evolution} |
|
Output Spectrum of Single-Atom Lasers
J. P. Clemens, P. R. Rice, L. M. Pedrotti
abstract: We consider a laser composed of a single atom in a microcavity, with a
coherent or incoherent pump. We consider both three- and four-level gain
schemes, and examine the output spectrum of such lasers. We find that the
linewidth generally scales as the inverse of the photon number. For large
atom-field coupling, a vacuum-Rabi doublet structure is obtained. In the
three-level case, this vacuum-Rabi splitting is apparent only for small
intracavity photon numbers, and vanishes for large pumps. In the four-level
scheme, the vacuum-Rabi structure appears at a nonzero pump level, and is
maintained for large pumps, even when the intracavity photon number is larger
than unity. This behavior is explained utilizing the quantum trajectory
approach.
- oai_identifier:
- oai:arXiv.org:quant-ph/9907085
- categories:
- quant-ph
- comments:
- 11 pages, 20 figures, minor typographical errors corrected
- arxiv_id:
- quant-ph/9907085
- created:
- 1999-07-26
- updated:
- 1999-07-27
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