Kyozo TSUJIKAWA


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 Endface Sealing Technique for Optical Connection of Holey Fibers with Low Loss and Reflection
Masaki WAKI Kyozo TSUJIKAWA Yuji AZUMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/05/01
Vol. E95-B  No. 5  pp. 1620-1624
Type of Manuscript:  PAPER
Category: Optical Fiber for Communications
Keyword: 
HAFPCFoptical connector
 Summary | Full Text:PDF(1.5MB)

10 Gb/s WDM Transmission at 1064 and 1550 nm over 24 km Photonic Crystal Fiber with Negative Power Penalties
Kenji KUROKAWA Kyozo TSUJIKAWA Katsusuke TAJIMA Kazuhide NAKAJIMA Izumi SANKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2803-2808
Type of Manuscript:  PAPER
Category: Optical Fiber for Communications
Keyword: 
photonic crystal fiber (PCF)wavelength division multiplexing (WDM)chirpoptical fiber dispersionoptical losses
 Summary | Full Text:PDF(537.8KB)

Reflection of Light Caused by Sharp Bends in Optical Fiber
Kyozo TSUJIKAWA Koji ARAKAWA Koji YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11  pp. 2105-2107
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
reflectionsharp bends in optical fiberbending lossOTDROLCRfiber coating
 Summary | Full Text:PDF(270.9KB)

Model for Estimating Bending Loss in the 1.5 µm Wavelength Region
Kyozo TSUJIKAWA Masaharu OHASHI Osamu KAWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/07/25
Vol. E80-C  No. 7  pp. 1067-1069
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
bending lossbending loss ratio1.3 µm zero-dispersion single-mode fibers1.5 µm wavelength regionmode field diametercutoff wavelength
 Summary | Full Text:PDF(174.1KB)