Iwao KAWAYAMA


Characterization of Terahertz Imagers Using a Narrowband Time-Domain Terahertz Radiation and Detection System
Sourav ROY Kazunori SERITA Iwao KAWAYAMA Hironaru MURAKAMI Yuri AVETISYAN Masayoshi TONOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1128-1130
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
uncooled THz imagernarrowbandSNR
 Summary | Full Text:PDF(899.5KB)

Study on Sub-THz Signal Input for Superconducting Electronic Devices
Iwao KAWAYAMA Yasushi DODA Ryuhei KINJO Toshihiko KIWA Hironaru MURAKAMI Masayoshi TONOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/03/01
Vol. E90-C  No. 3  pp. 588-594
Type of Manuscript:  INVITED PAPER (Special Section on Innovative Superconducting Devices and Their Applications)
Category: 
Keyword: 
ultrafast optical interfaceamorphous GephotomixingJosephson vortex flow transistor
 Summary | Full Text:PDF(1.5MB)

DC and AC Responses of Josephson Vortex Flow Transistors with High Tc Superconducting Thin Films
Yasushi DODA Iwao KAWAYAMA Hironaru MURAKAMI Masayoshi TONOUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/02/01
Vol. E89-C  No. 2  pp. 177-181
Type of Manuscript:  Special Section PAPER (Special Section on Superconducting High-frequency Devices)
Category: 
Keyword: 
Josephson vortex flow transistorhigh-frequency operation
 Summary | Full Text:PDF(659.8KB)