Ultrahigh is a German techno act comprising Cem Oral & Roger Cobernus. Since 1993 they have released several singles and two albums.

In vivo ultrahigh-resolution optical coherence tomography.
Ultrahigh-density nanowire arrays grown in self-assembled diblock copolymer templates.
Thermal Effect Limits in ultrahigh-Density Magnetic Recording
Sure independence screening for ultrahigh dimensional feature space
Graphene-based supercapacitor with an ultrahigh energy density
Graphene in Mice: Ultrahigh In Vivo Tumor Uptake and Efficient Photothermal Therapy
Ultrahigh-resolution optical coherence tomography using continuum generation in an air-silica microstructure optical fiber.
Rejoinder: Sure independence screening for ultrahigh dimensional feature space ?
Polarization rotation mechanism for ultrahigh electromechanical response in single-crystal piezoelectrics
U/Pb zircon ages constrain the architecture of the ultrahigh-pressure Qinling–Dabie Orogen, China