supported by the National Key Scientific Instrument and Equipment Development Project of China(No.2013YQ030595);the National High Technology Research and Development Program of China(No.2013AA122902);the National Natural Science Foundation of China(No.61274024);National Natural Science Foundation of China for the Youth(No.40804032)
In this paper,we present an innovative method of double balanced differential configuration,in which two adjacent single photon avalanche diodes(SPADs)from the same wafer are configured as the first balanced structure...