Before revision:  Foerster Resonance Energy Transfer (FRET) is considered as a mechanism for communication between the system components. The usage of bioluminescent molecules as an energy source for generating FRET signals is suggested and the performance evaluation of this approach is given. FRET transmission may be initiated without an aid of an external laser, which is crucial in case of communication taking place inside of human body. It is also shown how to solve the problem of FRET signals recording. The usage of channelrhodopsin molecules, able to receive FRET signals and convert them into voltage, is proposed.
After revision:  Foerster Resonance Energy Transfer (FRET) is considered as a mechanism for communication between nanodevices. Two solved issues are reported in the paper, namely: signal generation and signal storage in FRET-based nanonetworks. First, luciferase molecules as FRET transmitters which are able to generate FRET signals themselves, taking energy from chemical reactions without any external light exposure, are proposed. Second, channelrhodopsins as FRET receivers, as they can convert FRET signals into voltage, is proposed.