Measurement of polarization-dependent all-optical nonlinearity in GaAs/AlGaAs quantum well waveguides far from the band edge

Ian H. White; Hon K. Tsang; Richard V. Penty

doi:10.1117/12.18105

1 May 1990 Measurement of polarization-dependent all-optical nonlinearity in GaAs/AlGaAs quantum well waveguides far from the band edge

Ian H. White, Hon K. Tsang, Richard V. Penty

Author Affiliations +

Proceedings Volume 1216, Nonlinear Optical Materials and Devices for Photonic Switching; (1990) https://doi.org/10.1117/12.18105
Event: OE/LASE '90, 1990, Los Angeles, CA, United States

Abstract

The all-optical nonlinearity of a quantum well waveguide is studied by measuring the intensity dependent transmission through a Fabry-Perot cavity formed around the guide. Values for the nonlinear refractive index coefficient, n2 ,at a wavelength of 1.O6mare obtained for light whose polarisation is either parallel or perpendicular to the quantum well layers. A simple measurement to estimate the two photon absorption coefficient, 13 2, using relatively low optical power levels is also described.

Citation Download Citation

Ian H. White, Hon K. Tsang, and Richard V. Penty "Measurement of polarization-dependent all-optical nonlinearity in GaAs/AlGaAs quantum well waveguides far from the band edge", Proc. SPIE 1216, Nonlinear Optical Materials and Devices for Photonic Switching, (1 May 1990); https://doi.org/10.1117/12.18105

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