Quantized atom-field dynamics in unstable cavities

Citation
C. Lamprecht et H. Ritsch, Quantized atom-field dynamics in unstable cavities, PHYS REV L, 82(19), 1999, pp. 3787-3790
Citations number
14
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
82
Issue
19
Year of publication
1999
Pages
3787 - 3790
Database
ISI
SICI code
0031-9007(19990510)82:19<3787:QADIUC>2.0.ZU;2-N
Abstract
We develop a quantum description for the dynamics of a single atom inside a n unstable optical resonator. For spherical mirrors with a finite Gaussian aperture we find a discrete complete set of normalizable eigenmodes, their biorthogonal adjoint modes, eigenfrequencies, decay rates, and overlap inte grals. With these modes we formulate a quantum description for the coupled dynamics of the field and a single atom inside the resonator. We find a str ongly geometry and position dependent nonexponential decay probability. Und er certain special conditions one gets a modified single-mode description i ncorporating the Petermann excess noise factor K even on a single-atom leve l.