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Opt Express. 2011 Aug 15;19(17):16106-14. doi: 10.1364/OE.19.016106.

Five-bit parallel operation of optical quantization and coding for photonic analog-to-digital conversion.

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  • 1Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871 Japan.


We report the attempt of optical quantization and coding in 5-bit parallel format for photonic A/D conversion. The proposed system is designed to realize generation of 32 different optical codes in proportion to the corresponding signal levels when fed a certain range of amplitude-varied input pulses to the setup. Optical coding in a bit-parallel format made it possible, that provides 5 bit optical codes from 32 optical quantized pulses. The 5-bit parallel operation of an optical quantization and coding module with 5 multi-ports was tested in our experimental setup.

© 2011 Optical Society of America

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