Transverse effects in the laser threshold due to electronic-vibrational coupling | Zendy

Óscar G. Calderón | Zendy; Isabel Gonzalo | Zendy

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Transverse effects in the laser threshold due to electronic-vibrational coupling

Author(s) -

Óscar G. Calderón,

Isabel Gonzalo

Publication year - 1998

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.57.2056

Subject(s) - physics , transverse plane , semiclassical physics , coupling (piping) , laser , bifurcation , wavelength , transverse mode , coupling strength , atomic physics , homogeneous , longitudinal mode , quantum electrodynamics , condensed matter physics , quantum mechanics , nonlinear system , statistical physics , mechanical engineering , structural engineering , engineering , quantum

Transverse effects in the laser threshold, originated by electronic-vibrational coupling in the active centers, are analyzed theoretically by means of the semiclassical two-level Maxwell-Bloch equations. A single longitudinal mode is considered. It is found that the first laser threshold suffers modifications depending on the electronic-vibrational coupling strength. This coupling imposes certain conditions for the selection of a particular transverse spatial state and provides the minimum wavelength that can appear in the transverse pattern. The nature of the bifurcation and the stability of the homogeneous and critical traveling waves are analyzed

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