Koji IGARASHI


Reduction of Crosstalk Influence in a 7-Core Multicore Fiber by Frequency Interleave
Shun ORII Kyo INOUE Koji IGARASHI 
Publication:   
Publication Date: 2019/08/01
Vol. E102-B  No. 8  pp. 1590-1594
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
multicore fiber transmissionWDMcrosstalkfrequency interleavehexagonal close-packed multicore fiber
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EXIT Chart-Aided Design of LDPC Codes for Self-Coherent Detection with Turbo Equalizer for Optical Fiber Short-Reach Transmissions
Noboru OSAWA Shinsuke IBI Koji IGARASHI Seiichi SAMPEI 
Publication:   
Publication Date: 2019/07/01
Vol. E102-B  No. 7  pp. 1301-1312
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
self-coherent detectionturbo equalizerLDPCEXIT chartoptical fiber short-reach transmissions
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Bit-Error-Rate Degradation Due to Inter-Channel Crosstalk of Different Signal Format
Naruki SHINOHARA Koji IGARASHI Kyo INOUE 
Publication:   
Publication Date: 2019/05/01
Vol. E102-B  No. 5  pp. 1000-1004
Type of Manuscript:  PAPER
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
inter-channel crosstalkbit error ratemodulation formatprobability density distribution
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Generation Efficiency of Fiber Four-Wave Mixing for Phase-Shift Keying Signal Light
Kyo INOUE Koji IGARASHI 
Publication:   
Publication Date: 2019/05/01
Vol. E102-B  No. 5  pp. 1005-1009
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
four-wave mixingoptical fiberphase-shift keying signalgroup velocitywalk-off
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Simplified Iterative Decoder for Polybinary-Shaped Optical Signals in Super-Nyquist Wavelength Division Multiplexed Systems
Shuai YUAN Koji IGARASHI 
Publication:   
Publication Date: 2019/04/01
Vol. E102-B  No. 4  pp. 818-823
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
wavelength division multiplexingforward error correctionmaximum likelihood decoder
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Sub-100 fs Higher Order Soliton Compression in Dispersion-Flattened Fibers
Masahiro TSUCHIYA Koji IGARASHI Satoshi SAITO Masato KISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 141-149
Type of Manuscript:  INVITED PAPER (Special Issue on Ultrafast Optical Signal Processing and Its Application)
Category: Optical Pulse Compression, Control and Monitoring
Keyword: 
optical pulse compressionoptical soliton pulse propagationhigher order solitonsdispersion-flattened fibers
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