Multi-Bit Digital-Electrical to Analog-Optical Conversion Based on Non-Linear Optical Element
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Mar 1, 2016
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Mar 1, 2016
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Abstract
A digital-electrical to analog-optical converter for converting a N-bit digital data signal uses a periodically poled non-linear waveguide connected to (i) N optical signals each modulated by a corresponding bit stream of the N-bit digital data signal, (ii) N pump optical signals and (iii) a probe optical signal to generate an output optical signal having an amplitude corresponding to the N-bit digital data signal. The output optical signal is filtered out from other optical signals output from the periodically poled non-linear waveguide by an optical filter.
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