Tetsuya SAKAI


Understanding the Inconsistency between Behaviors and Descriptions of Mobile Apps
Takuya WATANABE Mitsuaki AKIYAMA Tetsuya SAKAI Hironori WASHIZAKI Tatsuya MORI 
Publication:   
Publication Date: 2018/11/01
Vol. E101-D  No. 11  pp. 2584-2599
Type of Manuscript:  Special Section PAPER (Special Section on Information and Communication System Security)
Category: Mobile Application and Web Security
Keyword: 
mobile securityandroidtextual descriptionprogram analysisprivacy leakage
 Summary | Full Text:PDF(1.5MB)

Novel Gain-Slope Free Erbium-Doped Fiber Amplifier for L-Band Using Thulium-Doped Fiber
Tomoharu KITABAYASHI Tetsuya SAKAI Akira WADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 940-944
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Devices)
Category: 
Keyword: 
gain-tiltgain equalizationEDFAWDM system
 Summary | Full Text:PDF(493KB)

Active Gain-Slope Compensation of EDFA Using Thulium-Doped Fiber as Saturable Absorber
Tomoharu KITABAYASHI Takuya AIZAWA Tetsuya SAKAI Akira WADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1231-1235
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Fibers and Cables
Keyword: 
gain-tiltgain equalizationEDFAWDM system
 Summary | Full Text:PDF(239.2KB)

Active Gain-Slope Compensation of EDFA Using Thulium-Doped Fiber as Saturable Absorber
Tomoharu KITABAYASHI Takuya AIZAWA Tetsuya SAKAI Akira WADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 605-609
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Fibers and Cables
Keyword: 
gain-tiltgain equalizationEDFAWDM system
 Summary | Full Text:PDF(239.9KB)

A Novel Chirped Fiber Bragg Grating Utilizing Thermal Diffusion of Core Dopant
Satoshi OKUDE Tetsuya SAKAI Masaaki SUDOH Akira WADA Ryozo YAMAUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/04/25
Vol. E80-B  No. 4  pp. 551-556
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Their Applications)
Category: 
Keyword: 
photo-refractive index changefiber gratingoptical filterthermal diffusion
 Summary | Full Text:PDF(537.3KB)