We show the possibility of developing an all-optical passive transistor in a simple and novel way. This could be done by copropagating two coaxial beams through a modified optical power filter. We show NOT logic and intensity modulation of the strong beam by the weak beam obtained with the analog.
© 2005 Optical Society of America
S. Medhekar and Ram Krishna Sarkar, "All-optical passive transistor," Opt. Lett. 30, 887-889 (2005)