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Takeo Sasai
Takeo Sasai
Verified email at hco.ntt.co.jp
Title
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Cited by
Year
Ultra-Wideband WDM Transmission in S-, C-, and L-Bands Using Signal Power Optimization Scheme
F Hamaoka, M Nakamura, S Okamoto, K Minoguchi, T Sasai, ...
Journal of Lightwave Technology 37 (8), 1764-1771, 2019
1372019
150.3-tb/s ultra-wideband (s, c, and l bands) single-mode fibre transmission over 40-km using> 519gb/s/a pdm-128qam signals
F Hamaoka, K Minoguchi, T Sasai, A Matsushita, M Nakamura, ...
2018 European Conference on Optical Communication (ECOC), 1-3, 2018
802018
Simultaneous detection of anomaly points and fiber types in multi-span transmission links only by receiver-side digital signal processing
T Sasai, M Nakamura, S Okamoto, F Hamaoka, S Yamamoto, E Yamazaki, ...
Optical Fiber Communication Conference, Th1F. 1, 2020
412020
Digital longitudinal monitoring of optical fiber communication link
T Sasai, M Nakamura, E Yamazaki, S Yamamoto, H Nishizawa, Y Kisaka
Journal of Lightwave Technology 40 (8), 2390-2408, 2022
362022
Laser phase noise tolerance of uniform and probabilistically shaped QAM signals for high spectral efficiency systems
T Sasai, A Matsushita, M Nakamura, S Okamoto, F Hamaoka, Y Kisaka
Journal of Lightwave Technology 38 (2), 439-446, 2019
322019
Digital backpropagation for optical path monitoring: Loss profile and passband narrowing estimation
T Sasai, M Nakamura, E Yamazaki, S Yamamoto, H Nishizawa, Y Kisaka
2020 European Conference on Optical Communications (ECOC), 1-4, 2020
292020
Open whitebox architecture for smart integration of optical networking and data center technology
H Nishizawa, W Ishida, Y Sone, T Tanaka, S Kuwabara, T Inui, T Sasai, ...
Journal of Optical Communications and Networking 13 (1), A78-A87, 2021
272021
Revealing Raman-amplified power profile and Raman gain spectra with digital backpropagation
T Sasai, M Nakamura, T Kobayashi, H Kawakami, E Yamazaki, Y Kisaka
2021 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2021
212021
Wiener-Hammerstein model and its learning for nonlinear digital pre-distortion of optical transmitters
T Sasai, M Nakamura, E Yamazaki, A Matsushita, S Okamoto, K Horikoshi, ...
Optics Express 28 (21), 30952-30963, 2020
202020
Proposal of linear least squares for fiber-nonlinearity-based longitudinal power monitoring in multi-span link
T Sasai, E Yamazaki, M Nakamura, Y Kisaka
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 …, 2022
172022
Real-time 400 Gbps/carrier WDM transmission over 2,000 km of field-installed G. 654. E fiber
H Maeda, K Saito, T Sasai, F Hamaoka, H Kawahara, T Seki, T Kawasaki, ...
Optics Express 28 (2), 1640-1646, 2020
172020
Performance limit of fiber-longitudinal power profile estimation methods
T Sasai, E Yamazaki, Y Kisaka
Journal of Lightwave Technology 41 (11), 3278-3289, 2023
152023
Precise longitudinal power monitoring over 2,080 km enabled by step size selection of split step Fourier method
T Sasai, M Nakamura, E Yamazaki, Y Kisaka
2022 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2022
152022
112.8-Tb/s real-time transmission over 101 km in 16.95-THz triple-band (S, C, and L bands) WDM configuration
F Hamaoka, K Saito, A Masuda, H Taniguchi, T Sasai, M Nakamura, ...
2022 27th OptoElectronics and Communications Conference (OECC) and 2022 …, 2022
122022
1.0-Tb/s/λ 3840-km and 1.2-Tb/s/λ 1280-km Transmissions with 168-GBaud PCS-QAM Signals Based on AMUX Integrated Frontend Module
M Nakamura, T Sasai, K Saito, F Hamaoka, T Kobayashi, H Yamazaki, ...
2022 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2022
122022
Closed-form expressions for fiber-nonlinearity-based longitudinal power profile estimation methods
T Sasai, E Yamazaki, M Nakamura, Y Kisaka
2022 European Conference on Optical Communication (ECOC), 1-4, 2022
112022
Dual-carrier 1-Tb/s transmission over field-deployed large-core pure-silica-core fiber link using real-time transponder
F Hamaoka, T Sasai, K Saito, T Kobayashi, A Matsushita, M Nakamura, ...
2019 24th OptoElectronics and Communications Conference (OECC) and 2019 …, 2019
112019
Experimental analysis of laser phase noise tolerance of uniform 256QAM and probabilistically shaped 1024QAM
T Sasai, A Matsushita, M Nakamura, S Okamoto, F Hamaoka, Y Kisaka
2019 Optical Fiber Communications Conference and Exhibition (OFC), 1-3, 2019
112019
High spectral efficiency real-time 500-Gb/s/carrier long-haul transmission over field-installed fibers
H Maeda, K Saito, H Kawahara, T Seki, T Sasai, F Hamaoka
Journal of Lightwave Technology 39 (4), 933-939, 2021
102021
Dynamic optical path provisioning for alien access links: architecture, demonstration, and challenges
H Nishizawa, T Sasai, T Inoue, K Anazawa, T Mano, K Kitamura, Y Sone, ...
IEEE Communications Magazine, 2023
82023
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Articles 1–20