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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 46  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, CS
(Joint)
2024-01-12
09:30
Kagoshima   Digital inverse multiplexing modelling-based pre-distortion for broadband signal generation with analog-multiplexed DACs
Akira Kawai, Masanori Nakamura, Takayuki Kobayashi, Munehiko Nagatani, Hiroshi Yamazaki, Takeo Sasai, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2023-62
(Advance abstract in Japanese is available) [more] OCS2023-62
pp.26-30
OCS, OFT, IEE-CMN, ITE-BCT
(Joint) [detail]
2023-11-10
13:25
Kyoto
(Primary: On-site, Secondary: Online)
Gaussian-noise-model-based SNR Estimation in 15.2-THz Bandwidth 400-km Inline-amplified Transmission
Kosuke Kimura, Takayuki Kobayashi, Shimpei Shimpei, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2023-46
We demonstrated that mean errors of the SNRs estimated with GN model accounting for SRS were less than 1 dB in 15.2-THz ... [more] OCS2023-46
pp.16-19
OCS, LQE, OPE 2023-05-26
16:30
Online Online [Special Invited Talk] 14.1-THz Wide-band WDM Transmission using PPLN-based Optical Parametric Inline Amplifier
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT) OCS2023-8 OPE2023-8 LQE2023-8
As digital coherent technologies have matured, a spectral efficiency achieved by the advanced modulation format of optic... [more] OCS2023-8 OPE2023-8 LQE2023-8
pp.32-35
PN 2023-03-02
09:30
Okinawa
(Primary: On-site, Secondary: Online)
Spatial division multiplexed amplification by Cladding pumped EDFA
Shigehiro Takasaka (Furukawa Electric), Kohki Shibahara, Takayuki Kobayashi, (NTT), Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric), Yutaka Miyamoto (NTT) PN2022-52
The use of multicore fiber is being considered to expand the transmission capacity of a single optical fiber. When coupl... [more] PN2022-52
pp.52-55
OCS, CS
(Joint)
2023-01-13
16:00
Fukuoka CANAL CITY HAKATA
(Primary: On-site, Secondary: Online)
Precise Signal Demodulation in Dynamic Environments Using Partially Frozen MIMO Adaptive Equalizers
Akira Kawai, Masanori Nakamura, Minami Takahashi, Takayuki Kobayashi, Yutaka Miyamoto (NTT) OCS2022-69
For over-1 Tb/s/λ-class transceivers, it is important to improve the ability to accurately compensate for IQ impairments... [more] OCS2022-69
pp.51-55
OPE, OCS, LQE 2022-10-21
10:25
Ehime
(Primary: On-site, Secondary: Online)
[Invited Talk] WDM Transmission in S-Band Using PPLN-Based Wavelength Converters Terminated with 400-Gb/s C-Band Real-Time Transceivers
Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida (Fujitsu), Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto (NTT) OCS2022-30 OPE2022-76 LQE2022-39
As a preliminary verification to demonstrate multi-band WDM transmission beyond the C+L-band without waiting for the new... [more] OCS2022-30 OPE2022-76 LQE2022-39
pp.70-75
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-18
13:45
Online Online [Invited Talk] High-capacity and Long-haul WDM Transmission using PPLN-based Optical Parametric Inline Amplifier
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Takeshi Umeki, Ryoichi Kasahara, Fukutaro Hamaoka, Yutaka Miyamoto (NTT) OCS2021-29
Expansion of the optical band used for wavelength division multiplexing (WDM) is a key to increasing the capacity of opt... [more] OCS2021-29
pp.5-8
PN 2021-11-11
16:25
Online Online [Invited Talk] Power-saving Aware Optical Path Assignment Technologies for WDM-SDM Optical Transport Networks
Fumikazu Inuzuka (NTT), Toshifumi Nakamura, Hidefumi Noguchi, Shigeyuki Yanagimachi (NEC), Takafumi Tanaka, Yutaka Miyamoto (NTT) PN2021-31
Optical transport networks based on space-division multiplexed (SDM) technologies are expected to support the continuous... [more] PN2021-31
pp.30-36
PN 2021-03-01
14:30
Online Online [Invited Lecture] Wide-band WDM Inline-amplified Transmission by Optical Parametric Amplifier using PPLN Waveguides
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, RYoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto (NTT) PN2020-44
To increase the capacity of optical transmission systems, it is important to improve a spectral efficiency by utilizing ... [more] PN2020-44
pp.15-19
OPE, OCS, LQE 2020-10-23
10:35
Online Online [Invited Talk] Wide-band WDM Inline-amplified Transmission with PPLN-based Optical Parametric Amplifier
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Ryoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto (NTT) OCS2020-11 OPE2020-34 LQE2020-14
In optical transmission systems, the extension of the optical-band used for wavelength division multiplexing is a promis... [more] OCS2020-11 OPE2020-34 LQE2020-14
pp.17-20
OCS, LQE, OPE 2019-10-18
13:05
Kagoshima   Study on wavelength cross connect for SDM photonic nodes based on WSS array modules
Kazunori Seno, Akira Isoda, Takayuki Mizuno, Keita Yamaguchi, Kenya Suzuki, Toshikazu Hashimoto, Yutaka Miyamoto (NTT) OCS2019-44 OPE2019-82 LQE2019-60
(Advance abstract in Japanese is available) [more] OCS2019-44 OPE2019-82 LQE2019-60
pp.87-92
OFT, OCS, OPE
(Joint) [detail]
2019-02-14
15:05
Fukuoka   Dynamic gain control characteristics of hybrid-pumped multi-core erbium-doped fiber amplifier
Hirotaka Ono, Takayuki Mizuno, Yutaka Miyamoto (NTT) OCS2018-84 OPE2018-196
(Advance abstract in Japanese is available) [more] OCS2018-84 OPE2018-196
pp.23-28
OFT, OCS, OPE
(Joint) [detail]
2019-02-15
12:35
Fukuoka   6x6 Wavelength Cross-Connect Employing 4-f Optical System with Low Inter-WSS Crosstalk
Kazunori Seno, Keita Yamaguchi, Akira Isoda, Takayuki Mizuno, Kenya Suzuki, Toshikazu Hashimoto, Yutaka Miyamoto (NTT) OCS2018-90 OFT2018-77 OPE2018-206
A space division multiplexing (SDM) technology becomes more attractive because it offers large transmission capacity of ... [more] OCS2018-90 OFT2018-77 OPE2018-206
pp.51-56(OCS), pp.35-40(OFT), pp.67-72(OPE)
OCS, OPE, LQE 2018-11-12
16:50
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Special Invited Talk] 400-Gbps DMT Transmission Using >100-GHz Analog Multiplexer and InP Mach-Zehnder Modulator
Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Yoshihiro Ogiso, Masanori Nakamura, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto (NTT) OCS2018-66 OPE2018-95 LQE2018-84
We review our latest experimental results presented at ECOC’18 post-deadline session. Using a >100-GHz analog multiplexe... [more] OCS2018-66 OPE2018-95 LQE2018-84
p.29
OPE, OCS, LQE 2018-05-11
16:15
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Special Invited Talk] DMD-Unmanaged Long-Haul SDM Transmission Over 2500-km 12-core x 3-mode MC-FMF and 6300-km 3-mode FMF Employing Intermodal Interference Cancelling Technique
Kohki Shibahara, Takayuki Mizuno, Doohwan Lee, Yutaka Miyamoto, Hirotaka Ono, Kazuhide Nakajima (NTT), Shota Saitoh, Katsuhiro Takenaga (Fujikura), Kunimasa Saitoh (Hokkaido Univ.) OCS2018-7 OPE2018-7 LQE2018-7
This talk provides an overview of advanced space division multiplexing (SDM) technologies that we have developed over th... [more] OCS2018-7 OPE2018-7 LQE2018-7
pp.25-27
PN 2018-04-27
13:20
Tokyo Tokyo Institute of Technology(CIC Tamachi) [Invited Talk] Programable Optical Circuit Using Spatial and Planar Optical Circuit (SPOC)
Mitsumasa Nakajima, Kenya Suzuki, Keita Yamaguchi, Kazunori Seno, Takashi Goh, Naru Neomoto, Joji Yamaguchi, Mitsunori Fukutoku, Yutaka Miyamoto, Toshikazu Hashimoto (NTT) PN2018-1
 [more] PN2018-1
pp.1-8
PN 2018-04-27
14:00
Tokyo Tokyo Institute of Technology(CIC Tamachi) [Invited Talk] R&D on Programmable Large-Capacity DSDM Transport Networks
Takafumi Tanaka, Takayuki Mizuno, Kohki Shibahara, Akira Isoda, Tetsuro Inui, Yutaka Miyamoto (NTT) PN2018-2
In recent years, dense space division multiplexing (DSDM) technology has been one of the hottest topics in R&D field as ... [more] PN2018-2
pp.9-13
PN 2017-08-29
10:55
Hokkaido Toya Kanko Hotel [Invited Talk] Spatial and Planar Optical Circuit for Space Division Multiplexed Network
Mitsumasa Nakajima, Keita Yamaguchi, Kenya Suzuki, Mitsunori Fukutoku, Yutaka Miyamoto (NTT) PN2017-23
Space division multiplexing (SDM) technology is a possible solution for future ultra-large-scale backbone networks becau... [more] PN2017-23
pp.51-56
OCS, OPE 2017-05-12
15:55
Tokyo Kikai-Shinko-Kaikan Bldg(Tokyo) [Special Invited Talk] 1-Pb/s Dense Space Division Multiplexing (DSDM) Transmission Technology Using 100Gbaud-class 16QAM Channels -- Review of OFC2017 Postdeadline Paper Presentation --
Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Kohki Shibahara, Takayuki Mizuno, Akihide Sano, Hiroto Kawakami, Akira Isoda, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto (NTT), Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa (Fujikura) OCS2017-7 OPE2017-7
This technical repot reviews the presentation of the OFC2017 Postdeadline.Paper Th5B.1. [more] OCS2017-7 OPE2017-7
pp.25-27
PN 2017-04-24
14:00
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Bandwidth Doubler for Ultra-Broadband Optical Transmitter
Munehiko Nagatani, Hiroshi Yamazaki, Fukutaro Hamaoka, Hideyuki Nosaka, Yutaka Miyamoto (NTT) PN2017-2
High-symbol-rate optical transmission schemes with advanced multilevel modulation formats are now attracting a great dea... [more] PN2017-2
pp.7-12
 Results 1 - 20 of 46  /  [Next]  
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