© Bernd Weißbrod/dpa

The start-up Q.ant, which belongs to the family-owned company Trumpf, aims to develop a fully functional quantum chip in five years at the latest, which will complement today's computers and make them more powerful. Trumpf is investing an amount in the double-digit million range, which is not specified.

Engineer Tobias Wintermantel uses a microscope to inspect a chip for use in a quantum computer (photo).