Therefore , a simple intensity threshold can not distinguish between on and off signals for arbitrary length interconnects .
Logic level independent of loss - In optical communication , the signal intensity decreases over distance due to absorption of light in the fiber optic cable .
A simple intensity threshold can not distinguish between on and off signals for arbitrary length interconnects .
Logic level independent of loss - In optical communication , the signal intensity decreases over distance due to absorption of light in the fiber optic cable .