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Optical Engineering

Quantum theory of the linewidth of a laser with a saturable absorber: phase diffusion
Author(s): Michael Sokol
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Paper Abstract

A quantum theory of the spectral width of a laser with a saturable absorber is presented. We perform a density matrix calculation yielding the off-diagonal element pn,n+1(t ) which is proportional to the average value of the electric field (E(t )) associated with the laser field having a large photon number n. The general linewidth theory is applied to any general laser which has saturable absorber features for a portion of the building of the laser field. We have found that the saturable absorber action contribution to the linewidth of such a laser can be substantial.

Paper Details

Date Published: 1 June 1998
PDF: 5 pages
Opt. Eng. 37(6) doi: 10.1117/1.602011
Published in: Optical Engineering Volume 37, Issue 6
Show Author Affiliations
Michael Sokol, Florida Institute of Technology (United States)

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