An optically coupled resonator includes a resonator body having at least
one resonator sidewall and a laterally offset photodiode formed in a
semiconductor substrate adjacent to the resonator body. The resonator is
driven by an electric field generated between the laterally offset
photodiode and the resonator body when an incident light strikes the
photodiode. A device including an optically coupled resonator and a
method of operating an optically coupled resonator are also disclosed.