When the input voltage U + plus in B, port and public port between U U + two persons with a practical orientation coincide relatively public ends. In order to distinguish between a-side and b-side, with " -" respectively " +" and marked, but they must not be mistaken for polarity vo...
This important result can be made even more inter- esting if we add some spice to it, in the form of a con- trollable optical path difference between the input pho- tons. In this case, the initial state right before imping- ing the beam splitter in Fig. 1 is characterized by the ...