Chapter 11. Sensitivity Testing in Optical Digital Communications
Ernest E. Bergmann and Joey Thompson
Optical sensitivity tests are a standard tool in verifying the performance of any optical digital communications system. These measurements are a powerful resource in understanding and diagnosing issues with such systems—especially the receive-side front end. The optical receiver converts optical bits into electrical bits; but even though the traffic is digital, the performance of the system as a whole depends on the analog characteristics of the receiver. Unfortunately, the receiver can often be tested only in the digital realm since these basic ...
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