Tandem transmission characteristics of laser diode optical switches measured by a circular pulse method

Abstract
Tandem transmission characteristics of laser diode optical switches have been measured using the circular pulse method. With an input optical signal power level of −18 dBm, output optical signal pulses have been observed to recirculate 50 times without a filter, and more than 80 times with an optical bandpass filter inserted in front of a photodetector.

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