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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 77  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
OCS, PN, NS
(Joint)
2022-06-10
13:25
Online Online Decoding Complexity Reduction of Forward Error Correction by Channel-polarized Multilevel Coding
Takeshi Kakizaki, Masanori Nakamura, Fukutaro Hamaoka, Yoshiaki Kisaka (NTT) OCS2022-11
In a digital coherent optical communication system, it is necessary to design a forward error correction (FEC) and modul... [more] OCS2022-11
pp.6-11
SANE 2022-05-24
15:00
Kanagawa Information Technology R & D Center, MITSUBISHI Electric Corp.
(Primary: On-site, Secondary: Online)
Applications of Optical Communication Technologies to Space/Defense Areas
Yoshiaki Konishi, Junya Nishioka, Takatoshi Akamatsu, Keisuke Matsuda, Hayato Sano, Yukari Takada, Shota Koshikawa, Masashi Binkai, Yuta Binkai, Tsuyoshi Yoshiad, Naoki Suzuki (Mitsubishi Electric) SANE2022-10
High-capacity fiber-optic communication systems employ coherent detection assisted by digital signal processing, called ... [more] SANE2022-10
pp.50-55
PN 2022-03-02
15:55
Online Online Application of polarization-independent subtractive interference cancellation algorithm for same-band and bidirectional coherent communication
Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-84
When a single core and the same band bidirectional transmission is performed in a passive optical network (PON) for mobi... [more] PN2021-84
pp.169-173
OCS, CS
(Joint)
2022-01-14
11:25
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
Application Study of Downlink Coherent Method and Uplink SIMO Reception in TWDM-PON System with Link Redundancy
Tomoya Nakagawa (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) OCS2021-37
A 40 Gbit/s class time division multiple access passive optical network (TWDM-PON: Time and wavelength division multiple... [more] OCS2021-37
pp.22-27
OCS, CS
(Joint)
2022-01-14
13:35
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
[Invited Talk] >100-Tb/s Capacity Wideband WDM Optical Transmission Technologie
Fukutaro Hamaoka (NTT) OCS2021-38
This paper reviews trends in wideband WDM optical transmission technology for increasing the capacity of optical transmi... [more] OCS2021-38
pp.28-31
MWP 2021-11-26
16:10
Online Online [Invited Talk] Field Demonstration of Eye-safe High Capacity FSO system with Multi-aperture Transmission and Digital Coherent Reception
Keisuke Matsuda, Masashi Binkai, Shota Koshikawa, Tsuyoshi Yoshida, Hayato Sano, Yoshiaki Konishi, Naoki Suzuki (Mitsubishi Electric Corp.) MWP2021-34
We demonstrated a 9-aperture transmit and single aperture receive FSO system transmitting 35 wavelength division multipl... [more] MWP2021-34
pp.22-26
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
OCS, OPE, LQE 2021-11-12
16:05
Online Online [Special Invited Talk] Ultra-high-speed Signal Generation and Detection Technologies for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate
Masanori Nakamura (NTT) OCS2021-26 OPE2021-46 LQE2021-25
We discuss the theoretical and practical aspects of high symbol-rate signal optimization techniques for realizing a >1-T... [more] OCS2021-26 OPE2021-46 LQE2021-25
pp.24-27
PN 2021-08-31
14:50
Online Online Evaluation of power adaptive IQ multiplexed 16QAM method for downlink transmission of coherent PON system
Mizuki Inagaki (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2021-24
In the downlink transmission of a coherent PON system using QAM modulation, when IQ multiplexing, which allocates I-axis... [more] PN2021-24
pp.69-73
PN 2021-08-31
15:15
Online Online Estimation of Transmitter IQ Imbalance in Digital Coherent Communication Systems
Naoki Tsuchida, Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2021-25
To satisfy the ever-increasing traffic demand in a cost-effective manner, the transmission capacity per wavelength needs... [more] PN2021-25
pp.74-79
PN, NS, OCS
(Joint)
2021-06-25
15:25
Online Online Full-coupling or half-split switchable point-to-multipoint optical transmission system
Tomoya Nakagawa, Tetsuji Goto (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) OCS2021-7
Recently, a point-to-multipoint network configuration with disaster resistance is required in the mobile front hall conn... [more] OCS2021-7
pp.29-34
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
SR 2021-01-25
11:00
Online Online [Invited Talk] Toward optical and wireless integrated full-coherent access network
Toshihiko Hirooka, Keisuke Kasai, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) SR2020-49
We have proposed a coherently-linked optical and wireless transmission system toward a large-capacity radio access netwo... [more] SR2020-49
pp.15-20
OCS, CS
(Joint)
2021-01-14
13:55
Online Online A Study on Q Performance for 400 Gb/s Signals under SOP Variation and Tight Optical Filtering in Cascaded Node Optical Transmission
Shun Chikamori, Masashi Binkai, Tsuyoshi Yoshida, Kiyoshi Onohara, Naoki Suzuki (Mitsubishi Electric) OCS2020-28
We experimentally evaluated the impact of fast state of polarization (SOP) variations on the received Q-factor of 400 Gb... [more] OCS2020-28
pp.7-11
OCS, CS
(Joint)
2021-01-14
14:20
Online Online Study of the Effect of Single Near-end Reflection on Bidirectional Transmission of QPSK/OOK Asymmetrically Modulated Signals in the Same Bandwidth
Tetsuji Goto, Takahiro Kodama, Masahiko Jinno (Kagawa Univ.) OCS2020-29
In recent years, PON systems for mobile front halls are required to have a larger capacity due to wireless terminal base... [more] OCS2020-29
pp.12-17
OFT 2020-10-09
13:25
Online Online [Invited Talk] Digital Coherent PSK Y-00 Quantum Stream Cipher for Secure Optical Fiber Communications
Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OFT2020-32
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] OFT2020-32
pp.97-102
CS, OCS
(Joint)
2020-01-16
11:40
Oita Beppu Housensou Hotel (Oita Pref.) Performance evaluation of spectrally slicing and synthesizing method for measuring complex field waveforms of optical QAM signals
Yasuhiro Kawabata, Koji Igarashi (Osaka Univ.) OCS2019-69
Measuring complex amplitude of optical signals is one of essential techniques in optical coherent quadrature amplitude m... [more] OCS2019-69
pp.25-30
OCS, LQE, OPE 2019-10-18
10:20
Kagoshima   Intelligent Monitoring of Optical Fiber Transmission Using Sparse Coding
Takayuki Nakachi, Yitu Wang, Tetsuro Inui, Takafumi Tanaka, Takahiro Yamaguchi, Katsuhiro Shimano (NTT) OCS2019-42 OPE2019-80 LQE2019-58
This paper proposes a sparse coding-based intelligent constellation diagram analyzer for optical fiber communications. I... [more] OCS2019-42 OPE2019-80 LQE2019-58
pp.77-82
PN 2019-08-26
13:10
Hokkaido Kanpo-No-Yado Otaru [Invited Talk] Research and Development of Beyond 400 Gbit/s Optical Trasnsmission Systems
Hideki Maeda (NTT NS Lab.) PN2019-15
NTT was the first in the world to develop new technologies, promoted research and development of economical and reliable... [more] PN2019-15
pp.31-36
LQE, OPE, CPM, EMD, R 2019-08-22
13:30
Miyagi   [Invited Talk] Progress of InP-based Monolithically Integrated Photonic Devices and Future Prospect Towards Beyond Tbps Era
Hideki Yagi (SEI) R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
InP-based photonic devices have yielded the monolithic integration of
various functionalities in addition to miniaturi... [more]
R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
pp.5-9
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