DWDM - PMD

Unicef · Created Nov 16, 2020 14:25:28

Hello friend!

Two general types of dispersion affect DWDM systems. One of these effects, chromatic dispersion, is linear while the other, polarization mode dispersion (PMD), is nonlinear. Chromatic dispersion occurs because different wavelengths propagate at different speeds.

Thanks!

Popeye_Wang · Created Nov 16, 2020 14:15:51

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Unicef · Created Nov 16, 2020 14:25:28

Hello friend!

Two general types of dispersion affect DWDM systems. One of these effects, chromatic dispersion, is linear while the other, polarization mode dispersion (PMD), is nonlinear. Chromatic dispersion occurs because different wavelengths propagate at different speeds.

Thanks!

liqiang185 · Created Nov 16, 2020 14:34:25

Hi there！
In DWDM system, there are mainly material dispersion and waveguide dispersion. Because DWDM system mainly uses single-mode fiber.

However, chromatic dispersion and polarization mode color affect the communication of DWDM system.

Thank you！

lan2019 · Created Nov 16, 2020 17:07:36

Posted by liqiang185 at 2020-11-16 14:34 Hi there！In DWDM system, there are mainly material dispersion and waveguide dispersion. Because DWD ...

Thanks you

Malik3000 · Created Nov 18, 2020 07:12:55

hi
they are chromatic dispersion, and polarization mode dispersion

Chromatic dispersion
is a phenomenon that is an important factor in fiber optic communications. It is the result of the different colors, or wavelengths arriving at their destination at slightly different times. The result is a spreading, or dispersion, of the on-off light pulses that convey digital information.

PMD Polarizations Mode Dispersion
happens when two polarizations travel down the fiber at the same time , normally travel at the same speed, But when they travel at different speeds due to random imperfections and asymmetries caused by imperfect manufacturing for the optical cable or external stresses
that cause spreading out in time as they travel along the fiber.

lan2019 · Created Nov 18, 2020 21:16:46

Posted by Unicef at 2020-11-16 14:25 Hello friend!Two general types of dispersion affect DWDM systems. One of these effects, chromatic di ...

Thanks you friend

lan2019 · Created Nov 19, 2020 17:40:55

Posted by Malik3000 at 2020-11-18 07:12 hithey are chromatic dispersion, and polarization mode dispersion Chromatic dispersion is a phenomen ...

Thanks you

DWDM - PMD

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DWDM - PMD

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