Wafer‐fused 1300 nm VCSELs with an active region based on superlattice oleh Sergey Blokhin, Andrey Babichev, Andrey Gladyshev, Leonid Karachinsky, Innokenty Novikov, Alexey Blokhin, Stanislav Rochas, Dmitrii Denisov, Kirill Voropaev, Alexander Ionov, Nikolay Ledentsov, Anton Egorov