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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 88  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
PN 2024-03-15
16:10
Kagoshima
(Primary: On-site, Secondary: Online)
A Study of Coherent Downstream Transmission of Adaptive Polarization and IQ Multiplexed Signals with Asymmetric Number of Signal Points and Amplitude
Yuika Mori, Keiji Shimada, Takahiro Kodama (Kagawa Univ.) PN2023-92
We have already reported downlink transmission using IQ multiplexed 4ASK signals with power loading for the difference i... [more] PN2023-92
pp.127-130
OCS, OFT, IEE-CMN, ITE-BCT
(Joint) [detail]
2023-11-10
13:50
Kyoto
(Primary: On-site, Secondary: Online)
Estimation and localization of anomaly PDL in optical fiber link using longitudinal power profile estimation in coherent receiver
Minami Takahashi, Takeo Sasai, Etsushi Yamazaki, Yoshiaki Kisaka (NTT) OCS2023-47
We experimentally demonstrate fiber-longitudinal monitoring that visualizes polarization-wise signal power profiles. The... [more] OCS2023-47
pp.20-23
PN 2023-08-29
10:30
Hokkaido
(Primary: On-site, Secondary: Online)
Polarization and IQ multiplexing 4ASK downlink transmission experiment of P-to-MP system using phase shift symbol preserved encryption
Yuika Mori, Reika Suketomo, Hodaka Amano, Keiji Shimada (Kagawa Univ.), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ.) PN2023-17
We have already reported downlink transmission using adaptive IQ imbalanced 4ASK signal for groups of ONUs with differen... [more] PN2023-17
pp.6-10
PN, NS, OCS
(Joint)
2023-06-08
15:25
Kagawa
(Primary: On-site, Secondary: Online)
[Invited Talk] Multi-Terabit Optical Transmission with Ultra High Symbol Rate Signal Generation and Detection Technologies
Masanori Nakamura (NTT) NS2023-26 OCS2023-12 PN2023-8
With the rapid increase of network traffic, expansion of transmission capacity per wavelength of a digital coherent opti... [more] NS2023-26 OCS2023-12 PN2023-8
pp.35-40(NS), pp.16-21(OCS), pp.16-21(PN)
PN, NS, OCS
(Joint)
2023-06-09
10:15
Kagawa
(Primary: On-site, Secondary: Online)
Demonstration of Optical Network Tomography with Software Prototype -- Anomaly Loss Monitoring and Fiber-Type Identification --
Ryu Shinzaki, Motohiko Eto, Kazuyuki Tajima, Kyosuke Sone, Setsuo Yoshida, Shoichiro Oda (Fujitsu), Inwoong Kim, Olga Vassilieva, Paparao Palacharla (FNC), Takeshi Hoshida (Fujitsu) OCS2023-18
As a monitoring technology for maintenance and operation efficiency improvement of the optical network system, we have i... [more] OCS2023-18
pp.57-62
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
CS, CQ
(Joint)
2023-05-19
16:05
Kagawa Rexxam Hall (Kagawa Kenmin Hall)
(Primary: On-site, Secondary: Online)
Demonstration of IQ channel multiplexing coherent polarization multiplexing 4ASK signal in downlink transmission with distance difference in access span
Keiji Shimada, Mizuki Inagaki (Kagawa Univ), Ryosuke Matsumoto (AIST), Takahiro Kodama (Kagawa Univ) CS2023-16
In the coherent PON system, the transmission distance from each optical network unit to the optical line terminal is dif... [more] CS2023-16
pp.47-50
PN 2023-03-01
17:00
Okinawa
(Primary: On-site, Secondary: Online)
[Invited Lecture] Demonstration of Optical Switch Networks Using Digital Coherent Receivers Designed for Short-haul Transmission Systems
Takumi Mitsuya, Takuama Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.), Ken-ichi Sato (AIST) PN2022-50
To process a large amount of network traffic within a datacenter, optical circuit switches are expected to be deployed. ... [more] PN2022-50
pp.43-46
OCS, OFT, OPE
(Joint) [detail]
2023-02-17
11:05
Okinawa kukuru-itomancity
(Primary: On-site, Secondary: Online)
Designing Operation Parameters Using Deep Unfolding for MIMO Adaptive Equalization in Optical Coherent Transmission Systems
Eidai Sunamoto, Koji Igarashi (Osaka Univ.) OCS2022-81 OPE2022-110
In the coherent optical transmission systems, adaptive control is required to suppress and compensate for laser phase no... [more] OCS2022-81 OPE2022-110
pp.56-61(OCS), pp.81-86(OPE)
OCS, CS
(Joint)
2023-01-12
13:25
Fukuoka CANAL CITY HAKATA
(Primary: On-site, Secondary: Online)
[Invited Talk] Digital Coherent Technology for Short-Range Optical Communications Toward Beyond 400G
Hiroshi Miura, Junichi Suzuki, Nobuo Ohata, Keita Mochizuki, Naoki Suzuki (Mitsubishi Electric) OCS2022-60
Digital coherent transmission technology is expected to expand its application to short-haul optical communication appli... [more] OCS2022-60
pp.2-5
NS 2022-10-06
09:40
Hokkaido Hokkaidou University + Online
(Primary: On-site, Secondary: Online)
[Invited Lecture] Low Computation-Complexity Digital Coherent Receivers for Short-Reach Optical Fiber Communication Systems
Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) NS2022-90
To process increasing intra-datacenter traffic cost-effectively, it is urgent to expand the capacity of short-reach opti... [more] NS2022-90
pp.60-63
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
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