Optically Controlled Excitonic Transistor

Authors :: Andreakou, P.
Poltavtsev, S. V.
Leonard, J. R.
Calman, E. V.
Remeika, M.
Kuznetsova, Y. Y.
Butov, L. V.
Wilkes, J.
Hanson, M.
Gossard, A. C.
Source :: Applied Physics Letters 104, 091101 (2014)
Publication Year :: 2013
Abstract: Optical control of exciton fluxes is realized for indirect excitons in a crossed-ramp excitonic device. The device demonstrates experimental proof of principle for all-optical excitonic transistors with a high ratio between the excitonic signal at the optical drain and the excitonic signal due to the optical gate. The device also demonstrates experimental proof of principle for all-optical excitonic routers.