Fujitsu develops diamond-spin quantum computer prototype

New diamond-spin quantum computer prototype incorporating tin-vacancy (SnV) centers into photonic integrated circuits marks significant step toward quantum computing scalability KAWASAKI, Japan , Sept. 8, 2026 /PRNewswire/ -- Fujitsu today announced that it has developed the world's first working prototype of a diamond-spin quantum computer incorporating tin-vacancy (SnV) centers into photonic integrated circuits. The prototype can be operated at -271.6°C, higher than the typical operating temperature of superconducting quantum computers (-273.13°C) and Fujitsu has demonstrated in a te