Mitsuhiro Hanabe Takuya Nishimura Masaki Miyamoto Taiichi Otsuji Eiichi Sano Structure-Sensitive Design for Wider Tunable Operation of Terahertz Plasmon-Resonant Photomixer. 985-992 2006 89-C IEICE Transactions 7 http://dx.doi.org/10.1093/ietele/e89-c.7.985 db/journals/ieicet/ieicet89c.html#HanabeNMOS06