Person:
Gómez Calderón, Óscar

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First Name
Óscar
Last Name
Gómez Calderón
URI
https://hdl.handle.net/20.500.14352/79942
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Óptica y Optometría
Department
Óptica
Area
Optica
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End date: 1999 × Start date: 1998 ×

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    Transverse effects in the laser threshold due to electronic-vibrational coupling
    (Physical review A, 1998) Gómez Calderón, Óscar; Gonzalo Fonrodona, Isabel
    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.