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We are proposing a new optical access network architecture using PLZT 10 nsec high-speed optical switches, called active optical network (ActiON). Our architecture can increase four times the number of subscribers as well as double the distance between OLT and ONUs than GE-PON. Moreover, a user can establish secure communication in ActiON. Because ActiON uses not broadcasting system but slot based switching system. ActiON has to overcome a Discovery process issue because an optical switch can not broadcast. In this paper, we propose a new Discovery process technique. Through simulation results and experimental results, we show that our proposed architecture is able to complete Discovery process with accuracy.