  We here propose a mechanism to teleport electrons between quantum dots
through the transformation of a virtual bright exciton into a dark exciton.
This mechanism relies on the interactions of two composite bosons: a pair of
electrons with opposite spins, trapped in two dots and an electron-hole pair in
a free exciton coupled to an unabsorbed pump pulse, which makes it ``bright''
but virtual. This bright exciton first turns ``dark'' by dropping its electron
and stealing the trapped electron with opposite spin through an exchange
Coulomb process with the trapped pair. In a second step, the dark exciton
``flies'' with its electron to the other dot where it turns bright again, by
the inverse process. The ``Shiva diagrams'' for composite boson many-body
effects that we have recently introduced, enlighten this understanding.
