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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 34  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OPE, LQE, OFT, OCS 2024-05-17
16:30
Online Online [Special Invited Talk] 100-GHz EO bandwidth Low-cost PCB based Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission
Hitoshi Wakita, Munehiko Nagatani (NTT Corp.), Yoshihiro Ogiso, Masanori Nakamura, Fukutaro Hamaoka, Yuta Shiratori, Takayuki Kobayashi, Yutaka Miyamoto, Hiroyuki Takahashi (NTT Corp.)
 [more]
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
PN 2022-11-08
11:50
Kochi
(Primary: On-site, Secondary: Online)
Proposal of a method for acquiring optical signal transmission characteristics using an all-optical inter-band wavelength converter suitable for All-Photonics Network
Haruka Minami, Kenta Hirose, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Koji Enbutsu, Kei Watanabe, Takeshi Umeki, Takashi Miyamura (NTT) PN2022-30
All-Photonics Network (APN) aims at a large-capacity, low-latency, and low-energy-consumption network infrastructure by ... [more] PN2022-30
pp.48-52
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 2021-03-01
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
ET 2020-10-17
15:10
Online Online Verification of Information Literacy Education Using Item Response Theory
Takaaki Ohkawauchi, Takayuki Kobayashi, Busujima Yuji, Eriko Tanaka (Nihon Univ.) ET2020-26
Continuous improvement activities of lectures are required in university education. However, there are few discussions o... [more] ET2020-26
pp.24-27
LQE, OPE, CPM, EMD, R 2019-08-22
14:15
Miyagi   [Invited Talk] Ultra boradband digital coherent technologies for 1Tb/s channel rate and beyond
Takayuki Kobayashi (NTT) R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28
Research and development of optical transmission systems with over-1-Tb/s capacity per wavelength are underway to effici... [more] R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28
pp.21-24
LQE, OCS, OPE 2019-05-13
16:25
Tokyo Kikai-Shinko-Kaikan Bldg. [Special Invited Talk] 35-Tb/s C-band Transmission over 800 km using ultra-high-speed signal generation and detection technologies for over-1-Tb/s net rate channel. -- Review of OFC2019 Post-deadline Papers --
Takayuki Kobayashi (NTT) OCS2019-7 OPE2019-7 LQE2019-7
(Advance abstract in Japanese is available) [more] OCS2019-7 OPE2019-7 LQE2019-7
pp.27-28
OCS, OPE, LQE 2018-11-12
13:35
Tokyo Kikai-Shinko-Kaikan Bldg (Tokyo) [Invited Talk] Report on ECOC2018 -- Core Transmission --
Masanori Nakamura, Takayuki Kobayashi (NTT) OCS2018-59 OPE2018-88 LQE2018-77
ECOC (European Conference on Optical Communication) 2018 was held in Italy and Rome from 2018/9/23 to 2018/9/27. This co... [more] OCS2018-59 OPE2018-88 LQE2018-77
pp.1-5
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
OCS, CS
(Joint)
2017-01-19
13:55
Fukuoka Kyushu Sangyo University Evaluation of TDM-PON System Aggregating TDD-based Mobile Fronthaul and Secondary Services
Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou, Takayuki Kobayashi, Yu Nakayama, Jun Terada, Akihiro Otaka (NTT) CS2016-66
(Advance abstract in Japanese is available) [more] CS2016-66
pp.13-18
CS 2016-07-07
09:55
Okinawa Miyakojima Hirara-kou terminal bldg. Comparison and Experimental Evaluation of Generation Method of Management and Control Channels for WDM-PON System Accommodating Future Mobile Network
Kazuaki Honda, Takayuki Kobayashi, Susumu Nishihara, Tatsuya Shimada, Jun Terada, Akihiro Otaka (NTT) CS2016-11
To address the issue of the mobile data traffic increase, many small cells will densely be deployed in the future mobile... [more] CS2016-11
pp.7-12
RCS 2015-10-02
14:35
Kanagawa YRP (Yokosuka) [Invited Lecture] Optical access technologies for accommodating highly densified small cells toward 5G mobile network
Tatsuya Shimada, Shigeru Kuwano, Takayuki Kobayashi, Hiroshi Ou, Kenji Miyamoto, Kaduaki Honda, Jun Terada, Akihiro Otaka (NTT) RCS2015-185
 [more] RCS2015-185
pp.147-150
OCS, PN, NS
(Joint)
2013-06-20
16:30
Fukushima College of Engineering, Nihon University Analysis of the effect of phase noise mitigation using pilot tone
Mitsuteru Yoshida, Etsushi Yamazaki, Takayuki Kobayashi, Akihide Sano, Yutaka Miyamoto (NTT) OCS2013-13
Utilization of high-order quadrature amplitude modulation (QAM) formats is very attractive to realize for 400Gbps per-ch... [more] OCS2013-13
pp.17-21
 Results 1 - 20 of 34  /  [Next]  
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