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Related Concept Videos

Potential Due to a Polarized Object01:29

Potential Due to a Polarized Object

A neutral atom consists of a positively charged nucleus surrounded by a negatively charged electron cloud. When placed in an external electric field, the external electric force pulls the electrons and nucleus apart, opposite to the intrinsic attraction between the nucleus and the electrons. The opposing forces balance each other with a slight shift between the center of masses of the nucleus and the electron cloud, resulting in a polarized atom. On the other hand, a few molecules, like water,...
Standing Waves in a Cavity01:28

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
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.
Propagation of Waves01:07

Propagation of Waves

When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
Modes of Standing Waves - I01:03

Modes of Standing Waves - I

A close look at earthquakes provides evidence for the conditions appropriate for resonance, standing waves, and constructive and destructive interference. A building may vibrate for several seconds with a driving frequency matching the building's natural frequency of vibration; this produces a resonance that results in one building collapsing while the neighboring buildings do not. Often, buildings of a certain height are devastated, while other taller buildings remain intact. This phenomenon...
Susceptibility, Permittivity and Dielectric Constant01:26

Susceptibility, Permittivity and Dielectric Constant

When placed in an external electric field, a dielectric material gets polarized. The charge density in the dielectric material is given by the sum of the bound and free charge densities, while the total charge density can also be written in terms of the total electric field. The bound charge density can be measured in terms of polarization, leading to the relationship between electric displacement and polarization.

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Related Experiment Video

Updated: Jul 9, 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

Solitons and polarization mode dispersion.

Y Chen, H A Haus

    Optics Letters
    |December 7, 2007
    PubMed
    Summary

    Manakov solitons are analyzed for polarization mode dispersion (PMD) effects. At high bit rates, solitons outperform linear propagation, offering better PMD resilience.

    Area of Science:

    • Optical communications
    • Nonlinear optics
    • Soliton propagation

    Background:

    • Polarization mode dispersion (PMD) is a significant challenge in high-speed optical fiber systems.
    • Manakov solitons are a theoretical model for light pulses in nonlinear optical fibers.
    • Understanding PMD effects is crucial for maintaining signal integrity.

    Purpose of the Study:

    • To derive analytical expressions for Manakov solitons under PMD.
    • To compare analytical results with numerical simulations.
    • To investigate dispersion-managed solitons and their PMD resilience.

    Main Methods:

    • Development of analytical expressions for Manakov solitons with PMD.
    • Conducting computer simulations for validation.

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    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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    Last Updated: Jul 9, 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

    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy
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    Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

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    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

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  • Analysis of dispersion-managed soliton behavior.

    • Main Results:

    • Analytical expressions accurately model Manakov solitons perturbed by PMD.
    • Computer simulations confirm the analytical findings.
    • Dispersion-managed solitons exhibit specific PMD characteristics.

    Conclusions:

    • Manakov solitons offer superior performance over linear propagation at high bit rates.
    • Solitons demonstrate enhanced resilience to polarization mode dispersion.
    • The findings are critical for designing future high-capacity optical networks.