Spectrally-narrow nonlinear resonances in semiconductor-doped glasses

Wolfgang W. Langbein; Ulrike Woggon; Sergey V. Gaponenko; Aiga Uhrig; Claus F. Klingshirn

doi:10.1117/12.147956

28 June 1993 Spectrally-narrow nonlinear resonances in semiconductor-doped glasses

Wolfgang W. Langbein, Ulrike Woggon, Sergey V. Gaponenko, Aiga Uhrig, Claus F. Klingshirn

Proceedings Volume 1807, Photonic Switching; (1993) https://doi.org/10.1117/12.147956
Event: Topical Meeting on Photonic Switching, 1992, Minsk, Belarus

Abstract

For the first time we report spectral hole-burning with the width as small as (Gamma) equals 10 meV for semiconductor quantum dots of the size much smaller than the excitonic Bohr radius of the bulk material. The narrow nonlinear resonances found are typical of the structures prepared at the nucleation and normal growth precipitation stages. The saturation intensity on the order of <EQ 10² kW/cm² registered for high-quality CdSe-doped glass is close to that for excitonic nonlinearity of CdSe monocrystalline films. The structures grown at the coalescence stage show only broad-band nonlinear absorption with a saturation intensity much higher than the proper bulk material.

Citation Download Citation

Wolfgang W. Langbein, Ulrike Woggon, Sergey V. Gaponenko, Aiga Uhrig, and Claus F. Klingshirn "Spectrally-narrow nonlinear resonances in semiconductor-doped glasses", Proc. SPIE 1807, Photonic Switching, (28 June 1993); https://doi.org/10.1117/12.147956

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