Well, if you have a few billion years to send the probes to the required distances, would likely be possible. But I don't think there is an RTG capable of power

Well, if you have a few billion years to send the probes to the required distances, would likely be possible. But I don't think there is an RTG capable of powering even a laser based system short of feeding matter to a black hole, which kinda will make it difficult to build a probe around it.