MapYourTech is a premier optical networking education platform established in 2011, offering 550+ technical articles, 35+ professional courses, and specialized tools for fiber optics engineers worldwide.

What topics does MapYourTech cover?

MapYourTech covers optical networking including DWDM technology, WDM systems, OTN, SDH/PDH, coherent optics, OSNR optimization, Raman and EDFA amplifiers, fiber characterization, dispersion management, and optical network design.

What is OSNR in optical networks?

OSNR (Optical Signal-to-Noise Ratio) is a critical performance metric that measures the ratio of signal power to noise power, essential for link budget calculations and ensuring reliable high-speed optical transmission in DWDM systems.

What is DWDM technology?

DWDM (Dense Wavelength Division Multiplexing) combines multiple optical signals on different wavelengths onto a single fiber, enabling massive bandwidth expansion for metro networks, long-haul transmission, and data center interconnects.

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Showing 551 - 560 of 577 results

Power Change during add/remove of channels on filters

Power Change during add/remove of channels on filters The power change can be quantified as the ratio between the number...

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March 26, 2025

Why is it preferable to put attenuator/pad at the Receive end of Optical Module?

Few analogies proving the subject:- If the distance is to short and the attenuator is too close to the transmitter,...

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March 26, 2025

Maximum number of erbium-doped fiber amplifiers in a DWDM lin

The maximum number of erbium-doped fiber amplifiers (EDFAs) in a fiber chain is about four to six. Explanation The rule is based on...

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March 26, 2025

How and where do we get pre and post FEC BER?

The first thing to note is that for each frame there are two sets of 20 parity bits. One set...

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March 26, 2025

Optical Fiber Link Design requirements

Optical Fiber Link Design requirements The optical link design essentially is putting the various optical components, so that information can...

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March 26, 2025

Temperature dependency of EDFA Gain for various channels

Here the results are after evaluating the effect of a thermal variation on the output tilt. In this particular set-up the...

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March 26, 2025

Difference between EDFAs requirements for Terrestrial(Land) Systems and Submarine Systems.

Compared with requirements for EDFAs for terrestrial applications and for Submarine applications, there are major important differences making the two...

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March 26, 2025

Spectral Hole Burning (SHB) phenomenon in Optical Networks

Spectral Hole Burning (SHB) Spectral hole burning (SHB) is a major limitation of amplified WDM systems with high channel count. The...

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March 26, 2025

Techniques/technologies to mitigate compensation in long haul submarine optical networks

Map of transmission impairments in long-haul submarine systems and some techniques/technologies for their mitigation or compensation.

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March 26, 2025

A short discussion on 980nm and 1480nm pump based Erbium Doped Fiber Amplifiers (EDFA)

The 980nm pump needs three energy level for radiation while 1480nm pumps can excite the ions directly to the metastable...

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March 26, 2025

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