Tetsuyoshi ISHII


Apodised Chirped Gratings Using Deep-Ridge Waveguides with Vertical-Groove Surface Gratings
Jun MIYAZU Toru SEGAWA Shinji MATSUO Tetsuyoshi ISHII Hiroyuki SUZUKI Yuzo YOSHIKUNI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1521-1522
Type of Manuscript:  LETTER
Category: Optoelectronics
Keyword: 
chirped gratingsapodisationreflectivity ripplegroup delay ripple
 Summary | Full Text:PDF(361.9KB)

Gate and Recess Engineering for Ultrahigh-Speed InP-Based HEMTs
Tetsuya SUEMITSU Tetsuyoshi ISHII Yasunobu ISHII 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/10/01
Vol. E84-C  No. 10  pp. 1283-1288
Type of Manuscript:  INVITED PAPER (Joint Special Issue on Heterostructure Microelectronics with TWHM 2000 (Topical Workshop on Heterostructure Microelectronics 2000))
Category: Hetero-FETs & Their Integrated Circuits
Keyword: 
high-speed devicesmillimeter wave FETsHEMTindium phosphide
 Summary | Full Text:PDF(496.5KB)