Nobutomo HANZAWA


Effective Area Enlarged Photonic Crystal Fiber with Quasi-Uniform Air-Hole Structure for High Power Transmission
Takashi MATSUI Kyozo TSUJIKAWA Takehisa OKUDA Nobutomo HANZAWA Yuto SAGAE Kazuhide NAKAJIMA Yasuyuki FUJIYA Kazuyuki SHIRAKI 
Publication:   
Publication Date: 2020/04/01
Vol. E103-B  No. 4  pp. 415-421
Type of Manuscript:  PAPER
Category: Optical Fiber for Communications
Keyword: 
photonic crystal fiberhigh-power deliverylaser processing
 Summary | Full Text:PDF(2.7MB)

A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method
Eri TAGUCHI Takeshi FUJISAWA Yoko YAMASHITA Shuntaro MAKINO Nobutomo HANZAWA Taiji SAKAMOTO Takashi MATSUI Kyozo TSUJIKAWA Kazuhide NAKAJIMA Fumihiko YAMAMOTO Kunimasa SAITOH 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 518-526
Type of Manuscript:  INVITED PAPER (Special Section on Distinguished Papers in Photonics)
Category: 
Keyword: 
WFM methodPLCMDMmode multi/demultiplexer
 Summary | Full Text:PDF(1.8MB)

Fiber Fuse Propagation and Its Suppression in Hole-Assisted Fibers
Kenji KUROKAWA Nobutomo HANZAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2  pp. 384-391
Type of Manuscript:  INVITED PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: 
Keyword: 
hole-assisted fiber (HAF)fiber fusehigh power
 Summary | Full Text:PDF(1.2MB)