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   Articles with "optical digital" as a keyword



Optical digital to analog conversion performance analysis for indoor set-up conditions

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recommendations! Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2017.05.021

Abstract: Abstract In visible light communication (VLC) the optical digital to analog conversion (ODAC) approach was proposed as a suitable driving technique able to overcome light-emitting diode’s (LED) non-linear characteristic. This concept is analogous to an… read more here.

Keywords: analog; performance; optical digital; analog conversion ... See more keywords
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Application of nonlinear ring resonators for realizing all-optical digital multiplexers

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recommendations! Published in 2021 at "Photonics and Nanostructures - Fundamentals and Applications"

DOI: 10.1016/j.photonics.2021.100920

Abstract: Abstract In this paper, an all-optical 4-to-1 digital multiplexer is proposed based on photonic crystals. A digital multiplexer is a combinational logic device allowing control of which one of four input ports can be connected… read more here.

Keywords: nonlinear ring; resonators realizing; application nonlinear; optical digital ... See more keywords

Programmable Optical Digital Logic Computing Array Using Dual-Drive Mach-Zehnder Modulators

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recommendations! Published in 2024 at "IEEE Journal of Selected Topics in Quantum Electronics"

DOI: 10.1109/jstqe.2023.3309670

Abstract: This article proposes and investigates a scheme of Programmable Optical Digital Logic Computing Array (PODLCA) which mainly consists of basic blocks using dual-drive Mach-Zehnder modulators (DD-MZM). By adjusting the parameters of DD-MZM, full coverage of… read more here.

Keywords: optical digital; computing array; logic computing; logic ... See more keywords

Development of a statistically standardized optical digital wrist model through integrated MRI-diffuse optical imaging methodology

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recommendations! Published in 2025 at "Journal of Biomedical Optics"

DOI: 10.1117/1.jbo.30.12.126003

Abstract: Abstract. Significance Current optical health-sensing devices rely on simplified homogeneous tissue models or semi-empirical ratiometric methods, which inadequately address anatomical complexity and inter-individual optical variability. This introduces systematic errors in light propagation modeling, compromising measurement… read more here.

Keywords: methodology; optical digital; wrist model; digital wrist ... See more keywords

Experimental validation of hybrid optical–digital imaging system for extended depth-of-field based on co-optimized binary phase masks

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recommendations! Published in 2019 at "Optical Engineering"

DOI: 10.1117/1.oe.58.11.113107

Abstract: Abstract. We experimentally investigate the performance of co-optimized hybrid optical–digital imaging systems based on binary phase masks and digital deconvolution for extended depth-of-field (DoF) under narrow-band illumination hypothesis. These systems are numerically optimized by assuming… read more here.

Keywords: hybrid optical; extended depth; optical digital; binary phase ... See more keywords