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What Is Optical Modulation?}

What is Optical Modulation? by Mary Bush [youtube]http://www.youtube.com/watch?v=uxsZgpcqnNo[/youtube] Simply put, optical modulation is the process of impressing information on a light carrier; it involves varying one or more of the features that define the optical wave, such as its power level, frequency, or phase.nnOur current fiber optic communication systems almost exclusively use semiconductor laser as the light source, and by far the easiest way to modulate the light is to modulate its power level. The…

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