Kazuhide NAKAJIMA

Ultra-Low Crosstalk Multi-Core Fiber with Standard 125-μm Cladding Diameter for 10,000km-Class Long-Haul Transmission
Yuto SAGAE Takashi MATSUI Taiji SAKAMOTO Kazuhide NAKAJIMA 
Publication:   
Publication Date: 2020/11/01
Vol. E103-B  No. 11  pp. 1199-1205
Type of Manuscript:  INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
spatial division multiplexing, multi-core fiber, long-distance transmission, micro-bending, 
 Summary | Full Text:PDF(2.1MB)
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 fiber, high-power delivery, laser 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 method, PLC, MDM, mode multi/demultiplexer, 
 Summary | Full Text:PDF(1.8MB)
Petabit/s Optical Transmission Using Multicore Space-Division-Multiplexing
Hidehiko TAKARA Tetsuo TAKAHASHI Kazuhide NAKAJIMA Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/07/01
Vol. E97-B  No. 7  pp. 1259-1264
Type of Manuscript:  INVITED PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
high-capacity transmission, space-division-multiplexing, multi-core fiber, multilevel modulation, 
 Summary | Full Text:PDF(1.9MB)
Bending-Loss Insensitive Fiber with Hole-Assisted Structure
Kazuhide NAKAJIMA Tomoya SHIMIZU Takashi MATSUI Chisato FUKAI Toshio KURASHIMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/03/01
Vol. E94-B  No. 3  pp. 718-724
Type of Manuscript:  PAPER
Category: Optical Fiber for Communications
Keyword: 
hole-assisted fiber, bending-loss, mode field diameter, cutoff wavelength, multi-path interference, 
 Summary | Full Text:PDF(979KB)
Wide-Band Dispersion Compensation for PCF with Uniform Air Hole Structure
Kazuhide NAKAJIMA Takashi MATSUI Chisato FUKAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/09/01
Vol. E92-B  No. 9  pp. 2951-2953
Type of Manuscript:  LETTER
Category: Optical Fiber for Communications
Keyword: 
photonic crystal fiber, dispersion compensating fiber, high-speed transmission, 
 Summary | Full Text:PDF(168.3KB)
Applicability of Large Effective Area PCF to DRA Transmission
Chisato FUKAI Kazuhide NAKAJIMA Takashi MATSUI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/06/01
Vol. E92-B  No. 6  pp. 2251-2253
Type of Manuscript:  LETTER
Category: Optical Fiber for Communications
Keyword: 
photonic crystal fiber, distributed Raman amplification, effective area, signal-to-noise ratio, 
 Summary | Full Text:PDF(365.6KB)
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), chirp, optical fiber dispersion, optical losses, 
 Summary | Full Text:PDF(537.8KB)
Novel Optical Loss Design Method for WDM Systems
Jian ZHOU Kazuo HOGARI Kazuhide NAKAJIMA Kenji KUROKAWA Izumi SANKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/10/01
Vol. E87-B  No. 10  pp. 2871-2876
Type of Manuscript:  PAPER
Category: Optical Fiber for Communications
Keyword: 
optical loss, WDM, design, 
 Summary | Full Text:PDF(751.7KB)
Design Considerations for Inverse Dispersion Fiber
Kazuhide NAKAJIMA Masaharu OHASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4  pp. 896-902
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Devices)
Category: 
Keyword: 
chromatic dispersion, optical fiber, dispersion compensation, dense wavelength division multiplexing (DWDM), 
 Summary | Full Text:PDF(809.6KB)
Conditions for Measuring Nonlinear Refractive Index n2 by SPM Based cw Dual-Frequency Method
Kazuhide NAKAJIMA Takuya OMAE Masaharu OHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/12/01
Vol. E84-B  No. 12  pp. 3278-3280
Type of Manuscript:  LETTER
Category: Optical Fiber
Keyword: 
nonlinear refractive index, self-phase modulation, single-mode fiber, chromatic dispersion, 
 Summary | Full Text:PDF(298.5KB)