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Fundamentals

Showing 71 - 80 of 455 results
Capacity-Planning-Trigger-Points-When-to-Upgrade-vs-When-to-Build-a-New-Route_11_07_2026_19_56_37

Capacity Planning Trigger Points: When to Upgrade vs When to Build a New Route

The utilization band that should trigger a capacity decision, …
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  • July 11, 2026
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Spectral-Efficiency-in-Practice-The-Four-Levers-MapYourTech-featured-image_10_07_2026_01_43_28

Spectral Efficiency in Practice: The Four Levers

Modulation order, baud rate, constellation shaping, and FEC overhead each add bits per second per hertz — and …
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  • July 10, 2026
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Q-Factor-OSNR-and-BER-the-conversion-chain-and-where-dBQ-fits_10_07_2026_01_36_39

Q-Factor, OSNR, and BER: The Conversion Chain and dBQ

One decision-circuit ratio, one error probability, one optical noise measurement — and the dBQ …
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  • July 10, 2026
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1600ZR-Class-Coherent-Pluggables-What-Changes-Beyond-800G_10_07_2026_01_33_55

1600ZR-Class Coherent Pluggables: What Changes Beyond 800G

Symbol-rate scaling, a DSP power ceiling that refuses to move, host thermal limits, and where OIF and IEEE …
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  • July 10, 2026
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Probabilistic-Constellation-Shaping-MapYourTech-featured-image_10_07_2026_01_12_24

Probabilistic Constellation Shaping: Coding, Implementation, and Measured Gains

Probabilistic Constellation Shaping: Coding, Implementation, Measured Gains Probabilistic Constellation Shaping: Coding, Implementation, and Measured Gains From distribution-matching theory to shipping...
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  • July 10, 2026
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Optical-Network-Slicing-MapYourTech-InDepth-Series-featured-image_09_07_2026_20_42_14

Optical Network Slicing: Architecture, Isolation, and Implementation

What an optical slice actually is, how flexible-grid spectrum is partitioned, where hard isolation ends and soft isolation begins,... …
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  • July 9, 2026
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The-Full-Spectrum-Transponder-featured-image_09_07_2026_20_37_47

The Full-Spectrum Transponder: One Card, One Band

Very high baud coherent carriers are collapsing the number of line cards needed to fill a fiber pair. …
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  • July 9, 2026
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Resiliency-Redundancy-and-Protection-in-Networks-8212-MapYourTech-feature..._09_07_2026_20_13_29

Resiliency, Redundancy, Protection, Survivability, and Reliability in Optical Networks

Five words engineers use almost interchangeably and standards bodies define with precision — here is where they …
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  • July 9, 2026
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Raman-Engineering-Deep-Dive-featured-image_09_07_2026_20_02_36

Raman Engineering Deep Dive: Pump Plans, Gain Profiles, and Field Safety

Pump-wavelength selection, gain-profile synthesis, and safety engineering — with worked pump plans... …
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  • July 9, 2026
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Filter-Narrowing-in-Cascaded-ROADM-Networks-featured-image_09_07_2026_18_13_24

Filter Narrowing in Cascaded ROADM Networks: Bandwidth, ISI, and OSNR Budget Limits

How stacking wavelength selective switches reshapes... …
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  • July 9, 2026
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