Singularity weapons are implimented using super dense neutronium matter and artificially induced matter singularities which can be used as gravity wells like small black holes.
The immense magnitude of this weapon is awesome to comprehend. It is not found on any modern spaceship, because none are big enough to hold it or even generate nearly enough power to operate on. Division Rafts are sufficient in size to hold these weapons, as are Greendomes, too.