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Kunimasa Saitoh
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2020 – today
- 2024
- [j14]Kodai Nakamura, Takanori Sato, Kunimasa Saitoh:
A silicon mode multiplexer based on the three-stage cascaded wavelength insensitive coupler for MDM-WDM transmission system. IEICE Electron. Express 21(7): 20240065 (2024) - [c59]Gustavo Ocampo, Yoshimichi Amma, Kunimasa Saitoh:
Stress Distribution Effects on Polarization-Mode Dispersion in Multi-Core Fibers. OFC 2024: 1-3 - 2023
- [j13]Han Wang, Takeshi Fujisawa, Takanori Sato, Masaki Wada, Takayoshi Mori, Taiji Sakamoto, Ryota Imada, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh:
Design of PLC E31-E13 and E-LP tapered mode converters using fast quasiadiabatic dynamics. IEICE Electron. Express 20(23): 20230392 (2023) - [c58]Takeshi Fujisawa, Kunimasa Saitoh:
Fabrication-tolerant, 2-mode, 4λ multiplexer based on Si waveguides for beyond Tbit/s optical Ethernet. OFC 2023: 1-3 - [c57]Gustavo Ocampo, Takanori Sato, Takeshi Fujisawa, Mayu Nakagawa, Kunimasa Saitoh:
Relationship between Polarization Mode Dispersion and Crosstalk in Heterogeneous Multi-core Fibers with Different Cladding Diameters. OFC 2023: 1-3 - 2022
- [c56]Takeshi Fujisawa, Takayoshi Mori, Junji Sakamoto, Yoko Yamashita, Taiji Sakamoto, Ryota Imada, Ryoto Ima, Takanori Sato, Kei Watanabe, Ryoichi Kasahara, Toshikazu Hashimoto, Kazuhide Nakajima, Kunimasa Saitoh:
Silica-PLC based mode-dependent-loss equalizer for two LP mode transmission. OFC 2022: 1-3 - [c55]Takuya Mitarai, Takeshi Fujisawa
, Takuya Okimoto, Naoya Kono, Naoki Fujiwara, Yusuke Sawada, Taichi Muratsubaki
Compact Power Splitters with Mosaic-based Structure Designed by Bayesian Direct-binary-search Method. OECC/PSC 2022: 1-3 - [c54]Gustavo Ocampo, Takanori Sato, Takeshi Fujisawa
Analysis of Crosstalk Dependence on Cladding Diameter in Heterogeneous Multi-core Fibers by Considering Polarization-mode Coupling Effects. OECC/PSC 2022: 1-3 - 2021
- [j12]Kodai Nakamura, Takeshi Fujisawa
High-tolerance CWDM4 wavelength multiplexer based on 2×2/2×1 MZ filters with polarization multiplexing. IEICE Electron. Express 18(8): 20210110 (2021) - [c53]Kunimasa Saitoh:
Multi-core Fiber Technology for SDM: Coupling Mechanisms and Design. OFC 2021: 1-37 - [c52]Yusuke Sawada, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh:
Experimental Demonstration of Broadband Silicon 4-Mode (de)Multiplexer Designed by Wavefront-Matching Method. OFC 2021: 1-3 - 2020
- [c51]Kunimasa Saitoh:
Few-mode Multi-core Fibres: Weakly-coupling and Randomly-coupling. ECOC 2020: 1-4 - [c50]Naoto Sugawara, Takeshi Fujisawa
Modal Amplitude and Phase Estimation of NFP of Six-Mode FMF Based on Artificial Neural Network with the Help of Grey-Wolf-Optimizer. ECOC 2020: 1-4 - [c49]Takeshi Fujisawa, Taiji Sakamoto, Masashi Miyata, Takashi Matsui, Toshikazu Hashimoto, Ryoichi Kasahara, Kazuhide Nakajima, Kunimasa Saitoh:
Wavefront-Matching-Method-Designed Six-Mode-Exchanger Based on Grating-Like Waveguide on Silica-PLC Platform. OFC 2020: 1-3 - [c48]Kodai Nakamura, Takeshi Fujisawa, Taiji Sakamoto, Takashi Matsui, Kazuhide Nakajima, Kunimasa Saitoh:
A Tunable Mode Divider Based on Wavelength Insensitive Coupler using Thermo-Optic Effect for Gain-Equalization in MDM Network. OFC 2020: 1-3 - [c47]Junya Takano, Takeshi Fujisawa, Yusuke Sawada, Kunimasa Saitoh:
Low-Loss Silicon 2 × 4λ Multiplexers Composed of On-Chip Polarization-Splitter-Rotator and 2 × 2 and 2 × 1 Mach-Zehnder Filters for 400GbE. OFC 2020: 1-3
2010 – 2019
- 2019
- [j11]Yusuke Sawada, Takeshi Fujisawa
CMOS-compatible Si-wire polarization beam splitter based on wavelength-insensitive coupler. IEICE Electron. Express 16(8): 20181126 (2019) - [c46]Misa Kudo, Takeshi Fujisawa, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima, Kunimasa Saitoh:
A Broadband Mode Divider with Arbitrary Branching Ratio Based on Wavelength-Insensitive Coupler. OFC 2019: 1-3 - [c45]Benjamin J. Puttnam, Georg Rademacher, Ruben S. Luis, Hideaki Furukawa, Andrew Ross-Adams, Simon Gross, Michael J. Withford, Nicolas Riesen, Yusuke Sasaki, Kunimasa Saitoh, Kazuhike Aikawa, Yoshinari Awaji, Naoya Wada:
Dynamic Crosstalk Study in a Few-Mode-Multi-Core Fiber. OFC 2019: 1-3 - [c44]Yusuke Sawada, Takeshi Fujisawa, Takanori Sato, Kunimasa Saitoh:
First Experimental Demonstration of Wavefront-Matching-Method-Designed Silicon Mode Converters. OFC 2019: 1-3 - [c43]Junya Takano, Takeshi Fujisawa, Takanori Sato, Yusuke Sawada, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Kazuhide Nakajima, Kunimasa Saitoh:
Low-Loss and Fabrication-Tolerant Si Four-Wavelength Multiplexer using Higher-Order Mode for 100/400GbE. OFC 2019: 1-3 - [c42]Kenta Nishimura, Takanori Sato
Cladding Diameter Dependence of Inter-Core Crosstalk in Heterogeneous Multicore Fibers. OECC/PSC 2019: 1-3 - [c41]Takanori Sato
Ultra-Robust Design of Mode (De)Multiplexer Based on Asymmetrical Directional Coupler Using Wire and One-Side Rib Waveguides. OECC/PSC 2019: 1-3 - [c40]Motoki Shirata, Misa Kudo, Takeshi Fujisawa
A Design of Low MDL Scrambling-type PLC 6-mode Multiplexer. OECC/PSC 2019: 1-3 - [c39]Naoto Sugawara, Misa Kudo, Takeshi Fujisawa
3-Mode PLC-Based Mode Dependent Loss Equalizer in MDM Transmission. OECC/PSC 2019: 1-3 - 2018
- [j10]Md. Nooruzzaman
Non-circular multi-core fibers for super-dense SDM. IEICE Electron. Express 15(19): 20180776 (2018) - [j9]Eri Taguchi, Takeshi Fujisawa
A Review of PLC-Based Broadband Two-Mode Multi/Demultiplexer Designed by Wavefront Matching Method. IEICE Trans. Electron. 101-C(7): 518-526 (2018) - [c38]Ruben S. Luis, Georg Rademacher, Benjamin J. Puttnam, Tobias A. Eriksson, Hideaki Furukawa, Andrew Ross-Adams
1.2 Pb/s Transmission Over a 160 µm Cladding, 4-Core, 3-Mode Fiber, Using 368 C+L band PDM-256-QAM Channels. ECOC 2018: 1-3 - [c37]Taiji Sakamoto, Kunimasa Saitoh, Shota Saitoh, Yoshiteru Abe, Katsuhiro Takenaga, Azusa Urushibara, Masaki Wada, Takashi Matsui
120 Spatial Channel Few-Mode Multi-Core Fibre with Relative Core Multiplicity Factor Exceeding 100. ECOC 2018: 1-3 - [c36]Kohki Shibahara, Takayuki Mizuno, Doowhan Lee, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima, Yoshimichi Amma, Katsuhiro Takenaga, Kunimasa Saitoh:
Iterative Unreplicated Parallel Interference Canceler for MDL-Tolerant Dense SDM 12-Core×3-Mode Transmission Over 3000 km. ECOC 2018: 1-3 - [c35]Kohki Shibahara, Takayuki Mizuno, L. Doowhan, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima, S. Saitoh, Katsuhiro Takenaga, Kunimasa Saitoh:
DMD-Unmanaged Long-Haul SDM Transmission Over 2500-km 12-core × 3-mode MC-FMF and 6300-km 3-mode FMF Employing Intermodal Interference Cancelling Technique. OFC 2018: 1-3 - 2017
- [j8]Yuhei Ishizaka, Masaru Nagai, Takeshi Fujisawa
A photonic-plasmonic mode converter using mode-coupling-based polarization rotation for metal-inserted silicon platform. IEICE Electron. Express 14(2): 20160989 (2017) - [c34]Shun Ohta, Takeshi Fujisawa
Mach-Zehnder Mode/Wavelength (De)Multiplexer for WDM/MDM Optical Transmission. ECOC 2017: 1-3 - [c33]Taiji Sakamoto, Kunimasa Saitoh, Shota Saitoh, Kohki Shibahara, Masaki Wada, Yoshiteru Abe, Azusa Urushibara, Katsuhiro Takenaga, Takayuki Mizuno, Takashi Matsui
High Spatial Density Six-mode Seven-core Fibre for Repeated Dense SDM Transmission. ECOC 2017: 1-3 - [c32]Kazuki Yoshida, Takeshi Fujisawa
Group Delay Spread Analysis of Few-Mode, Coupled 3-Core Fibres: Optimum Index Profile and Maximum Transmission Distance for Strong Coupling Regime. ECOC 2017: 1-3 - [c31]Takeshi Fujisawa, Eri Taguchi, Taiji Sakamoto, Takashi Matsui, Yoko Yamashita, Kyozo Tsujikawa, Kazuhide Nakajima, Kunimasa Saitoh:
One chip, PLC three-mode exchanger based on symmetric and asymmetric directional couplers with integrated mode rotator. OFC 2017: 1-3 - [c30]Takeshi Fujisawa, Yoko Yamashita, Taiji Sakamoto, Takashi Matsui, Shuntaro Makino, Kyozo Tsujikawa, Kazuhide Nakajima, Kunimasa Saitoh:
Scrambling-type three-mode multiplexer based on cascaded Y-branch waveguide with integrated mode rotator on PLC platform. OFC 2017: 1-3 - [c29]Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Kohki Shibahara, Takayuki Mizuno, Akihide Sano, H. Kawakami, Akira Isoda, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto, Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Md. Nooruzzaman, Toshio Morioka:
1-Pb/s (32 SDM/46 WDM/768 Gb/s) C-band dense SDM transmission over 205.6-km of single-mode heterogeneous multi-core fiber using 96-Gbaud PDM-16QAM channels. OFC 2017: 1-3 - [c28]Shuntaro Makino, Masahiro Suga, Takanori Sato, Takeshi Fujisawa, Kunimasa Saitoh:
Ultimately low-loss and compact Si wire 90° waveguide bend composed of clothoid and normal curves for dense optical interconnect PICs. OFC 2017: 1-3 - 2016
- [c27]Takeshi Fujisawa, Ren Tojo, Shota Saitoh, Shoichiro Matsuo, Kunimasa Saitoh:
Extremely small group delay spread six-core fiber with air-holes for mode-division-multiplexing: A principal mode analysis. OFC 2016: 1-3 - [c26]Takayuki Mizuno, Kohki Shibahara, Hirotaka Ono, Y. Abe, Yutaka Miyamoto, Feihong Ye, Toshio Morioka, Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Makoto Yamada:
32-core Dense SDM unidirectional transmission of PDM-16QAM signals over 1600 km using crosstalk-managed single-mode heterogeneous multicore transmission line. OFC 2016: 1-3 - [c25]Taiji Sakamoto, Takashi Matsui, Kunimasa Saitoh, S. Saitoh, Katsuhiro Takenaga, Takayuki Mizuno, Yoshiteru Abe, Kohki Shibahara, Yuki Tobita, Shinji Matsuo, Kazuhiko Aikawa, Shinichi Aozasa, Kazuhide Nakajima, Yutaka Miyamoto:
Low-loss and Low-DMD few-mode multi-core fiber with highest core multiplicity factor. OFC 2016: 1-3 - [c24]Kohki Shibahara, Takayuki Mizuno, Hidehiko Takara, H. Kawakami, D. Lee, Yutaka Miyamoto, S. Matsuo, Kunimasa Saitoh, Makoto Yamada:
Space-time coding-assisted transmission for mitigation of MDL impact on mode-division multiplexed signals. OFC 2016: 1-3 - [c23]Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Toshio Morioka, Yutaka Miyamoto:
High-density multicore fibers. OFC 2016: 1-3 - 2015
- [c22]Takeshi Fujisawa
A principal mode analysis of strongly-coupled 3-core fibres. ECOC 2015: 1-3 - [c21]Nobutomo Hanzawa
Demonstration of PLC-based six-mode multiplexer for mode division multiplexing transmission. ECOC 2015: 1-3 - [c20]Shoichiro Matsuo, Katsuhiro Takenaga, Kunimasa Saitoh
High-spatial-multiplicity multi-core fibres for future dense space-division-multiplexing system. ECOC 2015: 1-3 - [c19]T. Mizuno, H. Takara, Kohki Shibahara, Yutaka Miyamoto, Manabu Oguma, Hirotaka Ono, Y. Abe, Takashi Matsui
Mode dependent loss equaliser and impact of MDL on PDM-16QAM few-mode fibre transmission. ECOC 2015: 1-3 - [c18]S. Saitoh, Yusuke Sasaki, Katsuhiro Takenaga, M. Ohashi, Kunimasa Saitoh
Measurement of inter-core crosstalk in few-mode multicore fibre. ECOC 2015: 1-3 - [c17]Taiji Sakamoto, Takashi Matsui
Few-mode multi-core fibre with highest core multiplicity factor. ECOC 2015: 1-3 - [c16]Yusuke Sasaki, S. Saitoh, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kunimasa Saitoh, Toshio Morioka
Quasi-single-mode homogeneous 31-core fibre. ECOC 2015: 1-3 - [c15]Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, S. Matsuo, J. Tu, Kunimasa Saitoh, Masanori Koshiba
High-density multicore fiber with heterogeneous core arrangement. OFC 2015: 1-3 - [c14]Kunimasa Saitoh:
Multicore fiber technology. OFC 2015: 1-22 - [c13]Kohki Shibahara, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, H. Kawakami, D. Lee, Yutaka Miyamoto, Hirotaka Ono, Manabu Oguma, Yoshiteru Abe, Takayuki Kobayashi, Takashi Matsui, Ryohei Fukumoto, Yoshimichi Amma, T. Hosokawa, S. Matsuo, Kunimasa Saitoh, H. Nasu, Toshio Morioka:
Dense SDM (12-core × 3-mode) transmission over 527 km with 33.2-ns mode-dispersion employing low-complexity parallel MIMO frequency-domain equalization. OFC 2015: 1-3 - [c12]Feihong Ye, Kunimasa Saitoh, Hidehiko Takara, Rameez Asif, Toshio Morioka:
High-count multi-core fibers for space-division multiplexing with propagation-direction interleaving. OFC 2015: 1-3 - 2014
- [c11]Nobutomo Hanzawa
Four-mode PLC-based mode multi/demultiplexer with LP11 mode rotator on one chip for MDM transmission. ECOC 2014: 1-3 - [c10]Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh
Few-mode multicore fibre with 36 spatial modes (Three modes (LP01, LP11a, LP11b) ×12 cores). ECOC 2014: 1-3 - [c9]Katsuhiro Takenaga, H. Uemura, Yusuke Sasaki, S. Nishimoto, Takui Uematsu, K. Omichi, R. Goto, S. Matsuo, Kunimasa Saitoh
Multicore fibre-based mode multiplexer/demultiplexer for three-mode operation of LP01, LP11a, and LP11b. ECOC 2014: 1-3 - [c8]Tetsuya Hayashi, Tetsuya Nakanishi, Takashi Sasaki, Kunimasa Saitoh
Dependence of crosstalk increase due to tight bend on core layout of multi-core fiber. OFC 2014: 1-3 - [c7]Takayuki Mizuno, Takayuki Kobayashi
12-core × 3-mode dense space division multiplexed transmission over 40 km employing multi-carrier signals with parallel MIMO equalization. OFC 2014: 1-3 - [c6]Takui Uematsu, Nobutomo Hanzawa
PLC-type LP11 mode rotator with single-trench waveguide for mode-division multiplexing transmission. OFC 2014: 1-3 - [c5]H. Uemura, Yusuke Sasaki, S. Nishimoto, Takui Uematsu, Katsuhiro Takenaga, K. Omichi, R. Goto, Shinji Matsuo, Kunimasa Saitoh
Mode multiplexer/demultiplexer based on a partially elongated multi-core fiber. OFC 2014: 1-3 - 2013
- [c4]Fanting Kong, Kunimasa Saitoh, Devon Mcclane, Thomas W. Hawkins, Paul Foy, Guancheng Gu, Liang Dong:
All-solid photonic bandgap fiber with record mode area. OFC/NFOEC 2013: 1-3 - [c3]S. Matsuo, Yusuke Sasaki, I. Ishida, Katsuhiro Takenaga, Kunimasa Saitoh, Masanori Koshiba:
Recent progress on multi-core fiber and few-mode fiber. OFC/NFOEC 2013: 1-3 - [c2]Yusuke Sasaki, Yoshimichi Amma, Katsuhiro Takenaga, S. Matsuo, Kunimasa Saitoh, Masanori Koshiba
Investigation of crosstalk dependencies on bending radius of heterogeneous multicore fiber. OFC/NFOEC 2013: 1-3 - [c1]Takui Uematsu, Kunimasa Saitoh, Nobutomo Hanzawa, Taiji Sakamoto, Takashi Matsui, Kyozo Tsujikawa, Masanori Koshiba:
Low-loss and broadband PLC-type mode (de)multiplexer for mode-division multiplexing transmission. OFC/NFOEC 2013: 1-3 - 2011
- [j7]Shoichiro Matsuo, Katsuhiro Takenaga, Yoko Arakawa, Yusuke Sasaki, Shoji Tanigawa, Kunimasa Saitoh
Crosstalk behavior of cores in multi-core fiber under bent condition. IEICE Electron. Express 8(6): 385-390 (2011) - [j6]Shoichiro Matsuo, Katsuhiro Takenaga, Yoko Arakawa, Yusuke Sasaki, Shoji Tanigawa, Kunimasa Saitoh
Crosstalk behavior of multi-core fiber with structural parameter drift in longitudinal direction. IEICE Electron. Express 8(17): 1419-1424 (2011) - [j5]Katsuhiro Takenaga, Yoko Arakawa, Shoji Tanigawa, Ning Guan, Shoichiro Matsuo, Kunimasa Saitoh
An Investigation on Crosstalk in Multi-Core Fibers by Introducing Random Fluctuation along Longitudinal Direction. IEICE Trans. Commun. 94-B(2): 409-416 (2011)
2000 – 2009
- 2009
- [j4]Masanori Koshiba
Heterogeneous multi-core fibers: proposal and design principle. IEICE Electron. Express 6(2): 98-103 (2009) - [j3]Kunimasa Saitoh
Design of effectively single-mode leakage channel fibers with large mode area and low bending loss. IEICE Electron. Express 6(7): 412-417 (2009) - 2006
- [j2]Keiichi Morikawa, Takeshi Fujisawa
Transmission characteristics of laterally illuminated photonic crystal fibers. IEICE Electron. Express 3(4): 70-73 (2006) - 2005
- [j1]Ikumi Enomori, Kunimasa Saitoh
Fundamental Characteristics of Localized Acoustic Modes in Photonic Crystal Fibers. IEICE Trans. Electron. 88-C(5): 876-882 (2005)
Coauthor Index
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