Nonlinear coupling with CdS grating in waveguide

Mario Bertolotti; Francesco Michelotti; Concita Sibilia; Gaetano Assanto; C. Cali

doi:10.1117/12.20477

1 August 1990 Nonlinear coupling with CdS grating in waveguide

Mario Bertolotti, Francesco Michelotti, Concita Sibilia, Gaetano Assanto, C. Cali

Proceedings Volume 1273, Nonlinear Optical Materials III; (1990) https://doi.org/10.1117/12.20477
Event: The International Congress on Optical Science and Engineering, 1990, The Hague, Netherlands

Abstract

A pump and probe experiment is described which allows to study input coupling efficiency of a CdS grating on top of a linear glass waveguide as a function of input power for wavelengths shorter than CdS band gap wavelength. A monotonous decrease of coupling efficiency is found by increasing the pump power. Reference is made also to results obtained for wavelengths larger than the band gap wavelength.

Citation Download Citation

Mario Bertolotti, Francesco Michelotti, Concita Sibilia, Gaetano Assanto, and C. Cali "Nonlinear coupling with CdS grating in waveguide", Proc. SPIE 1273, Nonlinear Optical Materials III, (1 August 1990); https://doi.org/10.1117/12.20477

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