Kooi, Hesper, Wild et al. create miniature sideband-separating (2SB) mixer for possible use in band 9 of the Atacama Large Millimeter Array (ALMA).

F.P. Mena, J.W. Kooi, A.M. Baryshev, C.F.J. Lodewijk, R. Hesper, W. Wild and T.M. Klapwijk (2008) An SIS-based sideband-separating heterodyne mixer optimized for the 600 to 720 GHz band. Journal of Physics: Conference Series, 97(012331) 16-20 September 2007. CaltechAUTHORS.