Takeshi Fujisawa
According to our database1,
Takeshi Fujisawa
authored at least 39 papers
between 2003 and 2023.
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Bibliography
2023
Relationship between Polarization Mode Dispersion and Crosstalk in Heterogeneous Multi-core Fibers with Different Cladding Diameters.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023
Fabrication-tolerant, 2-mode, 4λ multiplexer based on Si waveguides for beyond Tbit/s optical Ethernet.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2023
Prototype of Visualization System for Discussion in Project-Based Learning Toward Education DX.
Proceedings of the 12th IEEE International Conference on Engineering Education, 2023
2022
Analysis of Crosstalk Dependence on Cladding Diameter in Heterogeneous Multi-core Fibers by Considering Polarization-mode Coupling Effects.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
Compact Power Splitters with Mosaic-based Structure Designed by Bayesian Direct-binary-search Method.
Proceedings of the 2022 27th OptoElectronics and Communications Conference (OECC) and 2022 International Conference on Photonics in Switching and Computing (PSC), 2022
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2022
2021
High-tolerance CWDM4 wavelength multiplexer based on 2×2/2×1 MZ filters with polarization multiplexing.
IEICE Electron. Express, 2021
Experimental Demonstration of Broadband Silicon 4-Mode (de)Multiplexer Designed by Wavefront-Matching Method.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2021
2020
Low-Loss Silicon 2 × 4λ Multiplexers Composed of On-Chip Polarization-Splitter-Rotator and 2 × 2 and 2 × 1 Mach-Zehnder Filters for 400GbE.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
A Tunable Mode Divider Based on Wavelength Insensitive Coupler using Thermo-Optic Effect for Gain-Equalization in MDM Network.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Wavefront-Matching-Method-Designed Six-Mode-Exchanger Based on Grating-Like Waveguide on Silica-PLC Platform.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2020
Modal Amplitude and Phase Estimation of NFP of Six-Mode FMF Based on Artificial Neural Network with the Help of Grey-Wolf-Optimizer.
Proceedings of the European Conference on Optical Communications, 2020
2019
CMOS-compatible Si-wire polarization beam splitter based on wavelength-insensitive coupler.
IEICE Electron. Express, 2019
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Ultra-Robust Design of Mode (De)Multiplexer Based on Asymmetrical Directional Coupler Using Wire and One-Side Rib Waveguides.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Cladding Diameter Dependence of Inter-Core Crosstalk in Heterogeneous Multicore Fibers.
Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 2019
Low-Loss and Fabrication-Tolerant Si Four-Wavelength Multiplexer using Higher-Order Mode for 100/400GbE.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
First Experimental Demonstration of Wavefront-Matching-Method-Designed Silicon Mode Converters.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
A Broadband Mode Divider with Arbitrary Branching Ratio Based on Wavelength-Insensitive Coupler.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019
2018
A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method.
IEICE Trans. Electron., 2018
Digital teaching materials of Kosen fundamental mathematics for Bilingual Engineering Education.
Proceedings of the IEEE 10th International Conference on Engineering Education, 2018
2017
A photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform.
IEICE Electron. Express, 2017
Ultimately low-loss and compact Si wire 90° waveguide bend composed of clothoid and normal curves for dense optical interconnect PICs.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Scrambling-type three-mode multiplexer based on cascaded Y-branch waveguide with integrated mode rotator on PLC platform.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
One chip, PLC three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2017
Group Delay Spread Analysis of Few-Mode, Coupled 3-Core Fibres: Optimum Index Profile and Maximum Transmission Distance for Strong Coupling Regime.
Proceedings of the European Conference on Optical Communication, 2017
Proceedings of the European Conference on Optical Communication, 2017
2016
Transmission of 214-Gbit/s 4-PAM signal using an ultra-broadband lumped-electrode EADFB laser module.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016
56-Gbaud 4-PAM (112-Gbit/s) operation of flip-chip interconnection lumped-electrode EADFB laser module for equalizer-free transmission.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016
Extremely small group delay spread six-core fiber with air-holes for mode-division-multiplexing: A principal mode analysis.
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016
2015
Proceedings of the Optical Fiber Communications Conference and Exhibition, 2015
Demonstration of PLC-based six-mode multiplexer for mode division multiplexing transmission.
Proceedings of the European Conference on Optical Communication, 2015
Proceedings of the European Conference on Optical Communication, 2015
2014
40-Gbit/s EADFB laser integrated with short cavity SOA improving chirp characteristics with low power consumption.
Proceedings of the European Conference on Optical Communication, 2014
2011
Long-Reach 100 Gbit Ethernet Light Source Based on 4×25-Gbit/s 1.3-µm InGaAlAs EADFB Lasers.
IEICE Trans. Electron., 2011
Wide-bandwidth, low-waveguide-width-sensitivity InP-based multimode interference coupler designed by wavefront matching method.
IEICE Electron. Express, 2011
2006
IEICE Electron. Express, 2006
2003
Evaluation of the affect of speech intonation using a model of the perception of interval dissonance and harmonic tension.
Proceedings of the 8th European Conference on Speech Communication and Technology, EUROSPEECH 2003, 2003