A Four-Resonant-Tunneling-Diode (4RTD) NAND/NOR Logic Gate. - Takao Waho; Akinori Yamada; Hiroki Okuyama; Victor Khorenko; Thai Do; Werner Prost (ISCAS, 2007)

An ultrahigh-speed full adder using resonant-tunneling logic gates. - Takao Waho; Hiroki Okuyama; Tomohiko Ebata; Ryousuke Kato (APCCAS, 2008)