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Updated: May 14, 2026

Quasi-light Storage for Optical Data Packets
07:45

Quasi-light Storage for Optical Data Packets

Published on: February 6, 2014

Full 160-Gb/s OTDM to 16x10-Gb/s WDM conversion with a single nonlinear interaction

Keith G Petrillo1, Mark A Foster

  • 1Department of Electrical and Computer Engineering, The Johns Hopkins University, Baltimore, MD 21218, USA.

Optics Express
|February 8, 2013
PubMed

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Downsampling

When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
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Non-ohmic Devices

In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
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