Prism coupling of radiation inside a linear film over a nonlinear substrate is studied with a numerical method, showing that the change of coupling as a function of the input power in the case of a quasi-continuous operation (thermal nonlinearity) is influenced by a thermal gradient generated in the linear film. A comparison with experimental data confirms these calculations.
diffusive nonlinearity with thermal gradient in waveguide prism coupling / Bertolotti, ; Schirone, Luigi. - In: APPLIED OPTICS. - ISSN 0003-6935. - STAMPA. - (1992).
diffusive nonlinearity with thermal gradient in waveguide prism coupling
SCHIRONE, Luigi
1992
Abstract
Prism coupling of radiation inside a linear film over a nonlinear substrate is studied with a numerical method, showing that the change of coupling as a function of the input power in the case of a quasi-continuous operation (thermal nonlinearity) is influenced by a thermal gradient generated in the linear film. A comparison with experimental data confirms these calculations.File allegati a questo prodotto
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