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Output Spectrum of Single-Atom Lasers | J. P. Clemens
; P. R. Rice
; L. M. Pedrotti
; | Date: |
26 Jul 1999 | Subject: | quant-ph | 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. | Source: | arXiv, quant-ph/9907085 | Services: | Forum | Review | PDF | Favorites |
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