Agarwal, G. S. ; Quang, T. ; Bergou, J. ; Scully, M. O. ; Walther, H. ; Vogel, K. ; Schleich, W. P. (1993) Calculation of the micromaser spectrum. I. Green's-function approach and approximate analytical techniques Physical Review A, 48 (1). pp. 803-812. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v48/i1/p803_1
Related URL: http://dx.doi.org/10.1103/PhysRevA.48.803
Abstract
We first calculate the "exact" micromaser spectrum by solving numerically for the Green's function of the approximate master equation for the one-atom (micro-) maser. We then proceed to calculate approximate analytical expressions for the maser linewidth using (i) a phase-operator approach, (ii) an ansatz similar to the standard quantum theory of the laser, and (iii) a linear expansion of the correlation function. Novel features, quite distinct from the familiar Schawlow-Townes linewidth, are found, e.g., the linewidth decreases as the number of thermal photons increases.
Item Type: | Article |
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Source: | Copyright of this article belongs to The American Physical Society. |
ID Code: | 90399 |
Deposited On: | 10 May 2012 04:05 |
Last Modified: | 19 May 2016 04:37 |
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