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What is a OTDR ? Optical Time Domain Reflectometer – also known as an OTDR, is a hardware device used for measurement of...
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March 26, 2025
Items HD-FEC SD-FEC Definition Decoding based on hard-bits(the output is quantized only to two levels) is called the “HD(hard-decision) decoding”,...
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March 26, 2025
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
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
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
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 The optical link design essentially is putting the various optical components, so that information can...
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March 26, 2025
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
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) Spectral hole burning (SHB) is a major limitation of amplified WDM systems with high channel count. The...
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March 26, 2025
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