Optical pattern recognition via adaptive spatial homodyne detection |
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| Authors: | Hsu Magnus T L Knittel Joachim Morizur Jean-Francois Bachor Hans-A Bowen Warwick P |
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| Affiliation: | School of Mathematics and Physics, University of Queensland, St Lucia, QLD 4072, Australia. |
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| Abstract: | We present an experimental demonstration of an optical pattern recognition scheme based on spatial homodyne detection. Our scheme is adaptive, all-optical, utilizes a single-element photo-detector, and provides a single parameter readout to quantify the efficacy of pattern recognition, thereby allowing very fast pattern recognition speeds. The spatial homodyne detector was applied to the identification of one- and two-dimensional phase profiles. |
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