High-stability 72-GHz Gunn oscillator for the characterization of ultra-high-speed optical receivers based on InP and InSb Schottky diodes. - Gianluca Galzerano; Cesare Svelto; Elio Bava; Giorgio Carelli; M. Finotti; Augusto Moretti; Niccolò Beverini (IEEE Trans. Instrum. Meas., 2003)