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Copyright (c) by IEICE
Koji IGARASHI
Analysis of Signal Distribution in ASE-Limited Optical On-Off Keying Direct-Detection Systems
Hiroki KAWAHARA
Kyo INOUE
Koji IGARASHI
Publication:
Publication Date:
2021/11/01
Vol.
E104-B
No.
11
pp.
1386-1394
Type of Manuscript:
PAPER
Category:
Fiber-Optic Transmission for Communications
Keyword:
on-off keying signal
,
probability density function
,
amplified spontaneous emission
,
Summary
|
Full Text:PDF
(1.7MB)
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 transmission
,
WDM
,
crosstalk
,
frequency interleave
,
hexagonal close-packed multicore fiber
,
Summary
|
Full Text:PDF
(942.9KB)
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 detection
,
turbo equalizer
,
LDPC
,
EXIT chart
,
optical fiber short-reach transmissions
,
Summary
|
Full Text:PDF
(1.9MB)
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 mixing
,
optical fiber
,
phase-shift keying signal
,
group velocity
,
walk-off
,
Summary
|
Full Text:PDF
(806.2KB)
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 crosstalk
,
bit error rate
,
modulation format
,
probability density distribution
,
Summary
|
Full Text:PDF
(1.3MB)
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 multiplexing
,
forward error correction
,
maximum likelihood decoder
,
Summary
|
Full Text:PDF
(1.7MB)
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 compression
,
optical soliton pulse propagation
,
higher order solitons
,
dispersion-flattened fibers
,
Summary
|
Full Text:PDF
(695.9KB)