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Optical bistability in InSb at room temperature with two‐photon excitation

URN to cite this document:
urn:nbn:de:bvb:355-epub-175085
Kar, A. K. ; Mathew, J. G. H. ; Smith, S. D. ; Davis, D. ; Prettl, Wilhelm
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Date of publication of this fulltext: 26 Oct 2010 12:18


Abstract

We report the observation of optical bistability in an InSb resonator at room temperature. This effect and fringe shifts were caused by nonlinear refraction induced by two‐photon absorption of radiation from a single longitudinal mode injection‐locked pulsed CO2 laser operating at 9.6–10.6 μm. Intensities as low as 100 kW/cm2 were found to be sufficient to tune the 250‐μm‐thick cavity through a ...

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