Takahiro Kodama
Orcid: 0000-0002-7857-3461
According to our database1,
Takahiro Kodama
authored at least 48 papers
between 2013 and 2024.
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Bibliography
2024
Double-link-failure-tolerant shared protection for fully coupled/half-split switchable point-to-multipoint coherent optical systems.
J. Opt. Commun. Netw., 2024
Air/Water Path Switching with Beam Steering for Water Distance/Turbidity Adaptive Underwater Optical Wireless Communication Network: Concept and Demonstration.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024
Broadband Single Flat Narrow Beam Shaped Time-domain Adaptive Modulation for Underwater Transmission with Wavelength Characteristics in Blue-green WDM System.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024
Super Wide-Flat Beam Transmission over Scatter-prone Underwater Channel Using Twin Parallel Flat-Narrow Beams Generated by Aspheric Lens Pair-type Beam Shaper.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024
2023
Kalman-Filter-Aided Dual-Band Collaborative Frequency Self-Tuning in Multiband Transceiver for P-to-MP System with Tight Passband Narrowing.
Proceedings of the International Conference on Photonics in Switching and Computing, 2023
Secure Point-to-Multipoint Transmission with Access-Span Difference Using Phase Encryption and Power-Loaded IQ-Channel Multiplexing.
Proceedings of the International Conference on Photonics in Switching and Computing, 2023
2022
Experiment of Nationwide Multi-Route Skew Cancelling for Dynamic Mapping of MAC Signals over SDM/WDM Network Testbed.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
All-optical MDM-OFDM System Using A Single MUX/DeMUX for Future Converged Optical Networks.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
First Demonstration of Hierarchical SDM/WDM 10-Mode-Fiber Ring Network with Spatial Bypass and Reconfigurable Spatial Add/Drop Multiplexing.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
Inter Symbol Interference-tolerant Time-domain Hybrid PAM2/PAM4 Signal with Optimized Time Slot Arrangement.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
C-Band Downlink Coherent System Assisted TWDM-PON System with Type B Protection and Dual-DSP Collaborative SIMO.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
Polarization-independent Subtractive Interference Cancellation for Bidirectional Same-band Digital Coherent System.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
Core Selective Switch Supporting 15 Cores Per Port Using Bundled Three 5-Core Fibers.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022
Any-Double-Link Failure Tolerant Bypass/Backup Switchable WDM-PON Employing Path-Pair Shared Protection and Bidirectional Wavelength Pre-assignment.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022
2021
IEEE Trans. Wirel. Commun., 2021
Enhancing the flexibility and functionality of SCNs: demonstration of evolution toward any-core-access, nondirectional, and contentionless spatial channel cross-connects [Invited].
JOCN, 2021
Technoeconomic analysis of spatial channel networks (SCNs): benefits from spatial bypass and spectral grooming [Invited].
JOCN, 2021
Comprehensive Analysis of Time-Domain Hybrid PAM for Data-Rate and Distance Adaptive UWOC System.
IEEE Access, 2021
Wavelength Collision-Free and Low-Loss Full-Duplex Transmission over Switchable Full-Coupling or Half-Split Coherent WDM-PON System with Shared Protection.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
Ultra-Wideband and Low-Loss Core Selective Switch Employing Two-Dimensionally Arranged MEMS Mirrors.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
2020
Fixed-Rate-Breaking All-Optical OFDM System using Time-Domain Hybrid PAM with Sparse Subcarrier Multiplexing and Power-Loading for Optical Short-Reach Transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Energy-Efficient Coherent PON System with Access-Span Length Difference between ONUs using Marginal IQ Power Loading in Downlink Transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Five-Core 1×6 Core Selective Switch and Its Application to Spatial Channel Networking.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Demonstration of Any-Care-Access Non-Directional Spatial Cross-Connects Based on Core Selective Switch with and without Core-Contention Constraint.
Proceedings of the European Conference on Optical Communications, 2020
2019
IEICE Trans. Commun., 2019
Over 1 Gbit/s NRZ-OOK Underwater Wireless Optical Transmission Experiment Using Wideband PMT.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Underwater Wireless Optical Access Network with OFDM/SBMA System: Concept and Demonstration.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
SOP Independent Self-Homodyne Detection of Polarization Multiplexed QPSK Signal with AQPM Pilot Carrier.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Enhanced Optical Communications Through Joint Time-Frequency Multiplexing Strategies.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
Low-Speed DSP Assisted Dispersion Compensation-Free IM/DD Optical OFDM Transmission Over 100 km-SMF using Time- and Frequency-Domain Sparse-Subcarrier Multiplexing.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
2018
Dispersion-induced IQ Imbalance Compensation Using an Electrical-domain Pre-FDE in QPSK Self-homodyne Transmission with AQPM Pilot-carrier.
Proceedings of the Photonics in Switching and Computing, 2018
Multi-level QAM-based labels Generated by the Convolution of Optical and Electrical Codes.
Proceedings of the Photonics in Switching and Computing, 2018
Seamless PAM-4 to QPSK Modulation Format Conversion at Gateway for Short-Reach and Long-Haul Integrated Networks.
Proceedings of the European Conference on Optical Communication, 2018
2017
Demonstration of data-rate and power-budget adaptive 100 Gb/s/ A-based coherent PON downlink transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Simple frequency-domain hybrid-QAM superchannel with path-fitted pre-filtering and collaborative-subcarrier frequency self-tuning for flexible ROADM systems.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Frequency-domain hybrid N × 100 Gb/s regular QAMs for simple, scalable, and transparent software-defined optical transport.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
2016
IEICE Trans. Commun., 2016
2015
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015
2014
Asynchronous MDM-OCDM-based 10G-PON over 40km-SMF and 2km-TMF using mode MUX/DeMUX at remote node and OLT.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2014
A novel optical quantization approach using spectral shifts of OFDM subcarriers and a frequency packed AWG.
Proceedings of the European Conference on Optical Communication, 2014
2013
Scaling the System Capacity and Reach of a 10G-TDM-OCDM-PON System Without an En/Decoder at an ONU.
JOCN, 2013
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Cost-effective, asynchronous 4 × 40Gbps full-duplex OCDMA demonstrator using apodized SSFBGs and a multi-port encoder/decoder.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Highly-scalable, fully-asynchronous 16 ONUs, OCDM-based 10G-PON with a multiple access noise suppression at RN.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Energy-efficient optical quantization scheme with orthogonal spectral slicing by AWG for OFDM.
Proceedings of the 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013