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Related Concept Videos

Group Polarization01:01

Group Polarization

Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...

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Related Experiment Video

Updated: Jun 12, 2026

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
14:18

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

Published on: February 28, 2016

Monomode all-fiber polarization modulator.

J C Canit, M Nerozzi, J Badoz

    Applied Optics
    |May 22, 2010
    PubMed
    Summary
    This summary is machine-generated.

    We developed a novel all-fiber polarization modulator using stressed fiber optics. This device achieves full modulation depth with low power, enabling sensitive optical measurements.

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    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

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    Last Updated: Jun 12, 2026

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
    14:18

    Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements

    Published on: February 28, 2016

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
    09:43

    Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping

    Published on: March 20, 2017

    Area of Science:

    • Optics and Photonics
    • Materials Science

    Background:

    • Fiber optic polarization control is crucial for various optical sensing and communication systems.
    • Existing modulators often face limitations in efficiency, power consumption, or complexity.

    Purpose of the Study:

    • To introduce a new all-fiber light polarization modulator.
    • To demonstrate its effectiveness in inducing birefringence via the photoelastic effect.

    Main Methods:

    • Utilizing a low birefringent monomode fiber subjected to periodic stress.
    • Employing a piezoelectric transducer to drive a fused silica element, inducing stress on the fiber.
    • Integrating the fiber at the antinode of the oscillating silica.

    Main Results:

    • Achieved full modulation depth with less than 100 mW of power.
    • Demonstrated weak stray birefringence, suitable for precise measurements.
    • The device operates based on the photoelastic effect.

    Conclusions:

    • The developed all-fiber modulator offers efficient and sensitive polarization control.
    • It is suitable for advanced polarimetric and birefringence measurements.
    • This technology advances fiber optic modulation capabilities.