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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 #
PN 2022-11-08
11:00
Kochi
(Primary: On-site, Secondary: Online)
Modulation and Demodulation Method for Short-Haul Coherent Optical Fiber Communication Systems
Reiji Higuchi, Ryuta Shiraki, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2022-28
To cope with the increase of communication traffic, we need to expand the communication capacity of short-haul optical f... [more] PN2022-28
pp.39-43
OPE, OCS, LQE 2022-10-21
12:30
Ehime
(Primary: On-site, Secondary: Online)
Basic Investigation of Si Photonics-Based Compact Wavelength Locker Chip
Junichi Suzuki, Kiyotomo Hasegawa, Kei Masuyama, Nobuo Ohata, Hiroshi Aruga (Mitsubishi Electric) OCS2022-32 OPE2022-78 LQE2022-41
In this paper, we propose a compact Si photonics-based wavelength locker as well as a wavelength monitoring method for t... [more] OCS2022-32 OPE2022-78 LQE2022-41
pp.82-85
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
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-20
11:40
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Development of Coherent Optical Receiver Integrated with Angle Detector for Beam Tracking
Hitomi Ono, Tomohiro Akiyama, Eisuke Haraguchi, Toshiyuki Ando (MELCO) EMT2022-43 MW2022-67 OPE2022-46 EST2022-44 MWPTHz2022-41
The optical satellite communication system with high-speed, small size and low power consumption is required because of ... [more] EMT2022-43 MW2022-67 OPE2022-46 EST2022-44 MWPTHz2022-41
pp.174-177
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
PN 2022-03-01
13:50
Online Online Multifunctional and High-Performance Digital Coherent Receivers
Takuma Kuno, Yojiro Mori, Hiroshi Hasegawa (Nagoya Univ.) PN2021-60
To process steeply increasing internet traffic cost-effectively, it is urgent to increase the capacity of optical fiber ... [more] PN2021-60
pp.42-46
PN 2022-03-02
09:50
Online Online Initial study of pseudo-phase noise-based symbol masked polarization-multiplexed M-QAM signal using a time-spreading encryption key
Keiji Shimada, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-70
In recent years, a common key cryptosystem for the physical layer has been introduced in digital signals to keep the dat... [more] PN2021-70
pp.92-97
PN 2022-03-02
15:10
Online Online Experimental study of all double link failure tolerant path pair shared protection for fully coupled/half-split switchable point-to-multipoint optical NW
Tomoya Nakagawa, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) PN2021-82
A more reliable point-to-multipoint optical communication network is required in the mobile fronthaul of Beyond 5G, whic... [more] PN2021-82
pp.156-161
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
11:00
Yamaguchi Conference room 204A・B at KDDI Ishin-hall
(Primary: On-site, Secondary: Online)
Study of the Amount of Mutual Information of Secure Polarization Multiplexed M-QAM Signal with Symbol Placement Retention Masking Method
Keiji Shimada, Mizuki Inagaki, Takahiro Kodama (Kagawa Univ.) OCS2021-36
In recent years, optical communication transceivers have been required to have high confidentiality for data. A shared k... [more] OCS2021-36
pp.16-21
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
ED, THz 2021-12-20
13:00
Miyagi
(Primary: On-site, Secondary: Online)
[Invited Talk] Recent Progress in Carrier Down-Conversion Devices Between Optical Communication and Beyond 5G Wireless Communication
Akira Satou, Dai Nakajima, Kazuki Nishimura, Tomotaka Hosotani, Katsumi Iwatsuki, Tetsuya Suemitsu, Keisuke Kasai, Masato Yoshida, Taiichi Otsuji (Tohoku Univ.) ED2021-48
echnologies that seamlessly converges optical networks and wireless networks with small delay and low power consumption ... [more] ED2021-48
pp.1-5
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] 2021-11-19
11:15
Online Online [Invited Talk] Recent progress of coherent free-space optical communications
Chao Zhang (Shimane Univ.), Kota Uyama, Zheyuan Zhang, Sze Yun Set, Shinji Yamashita (Univ. of Tokyo) OFT2021-54
Free-space optical communication is preferred for its advantages over radio frequency wireless communication, such as no... [more] OFT2021-54
pp.17-22
OFT 2021-10-15
13:00
Online Online [Tutorial Invited Lecture] Coherent optical communication technology and my research life
Shiro Ryu (Meiji Univ.) OFT2021-48
Coherent optical communication technology was proposed at the end of the 1970s, and after about 30 years, it was put int... [more] OFT2021-48
pp.104-109
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, NS, OCS
(Joint)
2021-06-25
15:50
Online Online Study of the Effect on Soft-decision Decoding of the Coherent M-QAM using Multi-stage symbol Placement Retention Masking
Keiji Shimada, Masahiro Misumi, Takahiro Kodama (Kagawa Univ.) OCS2021-8
In recent digital coherent optical communication systems, to keep data highly confidential, research is being conducted ... [more] OCS2021-8
pp.35-39
OPE, OCS, OFT
(Joint) [detail]
2021-02-19
09:25
Online Online The detection method of incoherent light using optical fiber
Yuyuan Cheng, Naoto Kishi (UEC) OFT2020-62 OPE2020-83
In a visible light communication system, detection of diverged optical signal in space is required after confirming the ... [more] OFT2020-62 OPE2020-83
pp.30-33(OFT), pp.35-38(OPE)
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, ITE-BCT, OCS, IEE-CMN [detail] 2020-11-12
16:50
Online Online Multi-Channel Simultaneous Encryption in WDM Systems of PSK Y-00 Quantum Stream Cipher
Ken Tanizawa, Fumio Futami (Tamagawa Univ.) OCS2020-26
Tapping from an optical fiber link is a potential security risk in optical communication systems. Physical layer encrypt... [more] OCS2020-26
pp.15-20
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