Simulation of phase locking of two lasers with hybrid resonators

A three-dimensional numerical diffraction model of a slab laser with a hybrid resonator is developed and used for studying the phase locking of two lasers optically coupled through the edge of the output mirror. Numerical analysis of phase locking of industrial CO{sub 2} slab lasers shows that such...

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Bibliographic Details
Published inQuantum electronics (Woodbury, N.Y.) Vol. 32; no. 8; pp. 692 - 696
Main Authors Elkin, N N, Napartovich, A P, Reilly, J P, Troshchieva, V N
Format Journal Article
LanguageEnglish
Published United States IOP Publishing 31.08.2002
Subjects
CARBON COMPOUNDS
CARBON DIOXIDE
CARBON DIOXIDE LASERS
CARBON OXIDES
CHALCOGENIDES
CONTROL
DIFFRACTION MODELS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ENERGY-LEVEL TRANSITIONS
EXCITATION
GAS LASERS
LASER RADIATION
LASERS
MATHEMATICAL MODELS
MATHEMATICS
MIRRORS
MODE CONTROL
MODE LOCKING
NUMERICAL ANALYSIS
OTHER INSTRUMENTATION
OXIDES
OXYGEN COMPOUNDS
PARTICLE MODELS
RADIATIONS
RESONATORS
THREE-DIMENSIONAL CALCULATIONS
WAVEGUIDES
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Summary:A three-dimensional numerical diffraction model of a slab laser with a hybrid resonator is developed and used for studying the phase locking of two lasers optically coupled through the edge of the output mirror. Numerical analysis of phase locking of industrial CO{sub 2} slab lasers shows that such a locking is possible for an appropriate choice of coupling parameters. It is found that the destructive effect of the active medium caused by an increase in the pump intensity can be minimised. It is shown that as the pump intensity is increased, the lateral radiation pattern of the output radiation improves while the beam is broadened in the transverse direction due to excitation of higher-order waveguide modes. (control of laser radiation parameters)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2002v032n08ABEH002273