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Related Concept Videos

What is a Mode?01:07

What is a Mode?

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The mode is one of the commonly used measures of a central tendency. It is defined as the most frequent value in a data set.
There can be more than one mode in a data set if multiple values have the same highest frequency. For instance, suppose that the Statistics exam scores of 20 students are: 50; 53; 59; 59; 63; 63; 72; 72; 72; 72; 72; 76; 78; 81; 83; 84; 84; 84; 90; 93. Here, the mode is 72, as it occurs most frequently, five times.
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The sympathetic division of the autonomic nervous system (ANS) plays a crucial role in preparing the body for stress, physical activity, and increased energy demands. This division activates the "fight-or-flight" response, enabling individuals to respond effectively to challenging situations.
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Parasympathetic Division of the ANS01:08

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The parasympathetic division of the autonomic nervous system (ANS) regulates rest and digestion functions in the body. It works in opposition to the sympathetic division, promoting relaxation, conservation of energy, and digestion. The parasympathetic division consists of preganglionic fibers originating from specific cranial nerves (III, VII, IX, X) and the sacral spinal nerves (S2-S4). These fibers synapse with postganglionic neurons in the terminal ganglia, innervating various organs and...
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Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
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Cranial Part of Parasympathetic Division01:18

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Integrated silicon multifunctional mode-division multiplexing system.

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    This study demonstrates a novel 4x4 chip-scale mode-division multiplexing (MDM) system for high-capacity optical interconnects. The reconfigurable MDM system enables flexible data routing for multi-core processors.

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    Area of Science:

    • Photonics and Optical Communications
    • Integrated Optics
    • Computer Interconnects

    Background:

    • Wavelength-division multiplexing (WDM) is common for optical interconnects.
    • Mode-division multiplexing (MDM) offers higher capacity but is less explored.
    • Flexible networks are crucial for large-bandwidth multi-core computing.

    Purpose of the Study:

    • To propose and demonstrate a chip-scale multifunctional mode-division multiplexing (MDM) system.
    • To enable reconfigurable interconnects for multi-core processors using MDM.
    • To integrate essential components for a high-capacity optical network on a chip.

    Main Methods:

    • Development of a 4x4 chip-scale multifunctional MDM system.
    • Integration of high-speed modulator arrays, multimode switches, and photodetector arrays.
    • Utilization of thermal heaters for reconfigurable inter-mode and inter-path routing.

    Main Results:

    • Successful demonstration of a 4x4 chip-scale MDM system.
    • Verification of 10 Gb/s On-Off Keying (OOK) signal transmission.
    • Achieved reconfigurable inter-core and inter-processor interconnects.

    Conclusions:

    • The proposed MDM system provides a flexible and reconfigurable solution for chip-scale optical interconnects.
    • MDM technology can significantly enhance communication capacity beyond WDM.
    • This work paves the way for advanced multi-core computing architectures.