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Optical communication
The Optical Time Domain Reflectometer (OTDR) is useful for testing the integrity of fiber optic cables. An optical time-domain reflectometer (OTDR)...
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March 26, 2025
Q is the quality of a communication signal and is related to BER. A lower BER gives a higher Q and thus...
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March 26, 2025
Basic understanding on Tap ratio for Splitter/Coupler Fiber splitters/couplers divide optical power from one common port to two or more...
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March 26, 2025
As we know that either homodyne or heterodyne detection can be used to convert the received optical signal into an electrical form. In the...
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March 26, 2025
What Is Coherent Communication? Definition of coherent light A coherent light consists of two light waves that: 1) Have the...
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March 26, 2025
In a non-coherent WDM system, each optical channel on the line side uses only one binary channel to carry service information. The service transmission...
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March 26, 2025
For coherent signals with wide optical spectrum, the traditional scanning method using an OSA or inband polarization method (EXFO) cannot...
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March 26, 2025
The ITU standards define a “suspect internal flag” which should indicate if the data contained within a register is ‘suspect’...
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March 26, 2025
The main advantages and drawbacks of EDFAs are as follows. Advantages Commercially available in C band (1,530 to 1,565 nm)...
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March 26, 2025
Optical power tolerance: It refers to the tolerable limit of input optical power, which is the range from sensitivity to...
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March 26, 2025
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