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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 31  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, LQE, OPE 2023-05-26
Online Online [Special Invited Talk] 14.1-THz WDM inline-amplified transmission using PPLN-based optical parametric amplifiers
Takayuki Kobayashi (NTT)
PN 2023-03-02
(Primary: On-site, Secondary: Online)
Amplification of spatial mode multiplexed dignals by cladding pumped MC-EDFA
Shigehiro Takasaka (Furukawa Electric), Kohki Shibahara, Takayuki Kobayashi, (NTT), Koichi Maeda, Ryuichi Sugizaki (Furukawa Electric), Yutaka Miyamoto (NTT) PN2022-52
 [more] PN2022-52
(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
PN 2022-11-08
(Primary: On-site, Secondary: Online)
Proposal of a method for acquiring optical signal transmission characteristics using an inter-band all-optical 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
OPE, OCS, LQE 2022-10-21
(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
OFT, OCS, IEE-CMN, ITE-BCT [detail] 2021-11-18
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
PN 2021-03-01
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
OPE, OCS, LQE 2020-10-23
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
ET 2020-10-17
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
LQE, OPE, CPM, EMD, R 2019-08-22
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
LQE, OCS, OPE 2019-05-13
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
OCS, OPE, LQE 2018-11-12
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
OCS, OPE 2017-05-12
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
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
CS 2016-07-07
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
RCS 2015-10-02
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
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
OCS, LQE, OPE 2011-10-28
Kochi Kochi University of Technology Bit Rate Free Auto Bias Control technique for Optical 16-QAM Transmitter with Asymmetric Bias Dithering
Hiroto Kawakami, Takayuki Kobayashi, Eiji Yoshida, Yutaka Miyamoto (NTT) OCS2011-83 OPE2011-121 LQE2011-84
Bit rate free Auto Bias Control (ABC) technique for Quadrature Amplitude Modulation (QAM) transmitter is demonstrated. 1... [more] OCS2011-83 OPE2011-121 LQE2011-84
LQE, OPE, OCS 2010-10-28
Fukuoka Mojiko Retro Town, Minato house Evaluation of a band-divided receiver prototype for wideband optical signals
Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto (NTT) OCS2010-68 OPE2010-104 LQE2010-77
Coherent receivers for optical signals have attracted lots of attention because of good frequency utilization. However t... [more] OCS2010-68 OPE2010-104 LQE2010-77
OCS 2010-07-29
Shizuoka New Welcity Yugawara 160Gb/s 16-QAM long-haul transmission for future optical transport network
Takayuki Kobayashi, Akihide Sano, Koichi Ishihara, Eiji Yoshida, Yutaka Miyamoto (NTT Corp.), Hirofumi Yamazaki, Takashi Yamada (NTT) OCS2010-33
Transmission systems that offer high spectral efficiency are the key to realizing large capacity optical transport netwo... [more] OCS2010-33
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