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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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, 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 |
| 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 |
| CS, OCS (Joint) |
2020-01-16 14:45 |
Oita | Beppu Housensou Hotel (Oita Pref.) | [Invited Lecture]
Next Generation C-RAN Mobile Fronthaul Using On-line Bi-directional 256 QAM WDM Coherent Transmission Takashi Kan, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Katsumi Iwatsuki, Masataka Nakazawa (Tohoku Univ.) OCS2019-73 |
We have recently proposed a simple digital coherent transmission system with an injection locking technique for next gen... [more] | OCS2019-73 pp.47-52 |
| 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 13:15 |
Miyagi | [Invited Talk]
Ultra-high-speed optical transceivers in the Beyond Terra era
-- IMDD vs coherent viewed from the system side -- Hiroshi Onaka (Fujitsu Ltd.) R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24 |
This paper outlines the latest data center interconnection technology, then discuss the future prospects of terabit opti... [more] | R2019-19 EMD2019-17 CPM2019-18 OPE2019-46 LQE2019-24 pp.1-4 |
|
| 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 |
|
| 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 |
|
| MBE | 2019-06-21 14:15 |
Hokkaido | Influence of coherence length on scattering suppression by digital phase-conjugate light Sogo Toda (NIT, Ishikawa), Yuji Kato (Hokkaido Univ.), Koichi Shimizu (Waseda Univ.) MBE2019-18 |
The strong scattering in biological tissue is a difficult problem for optical imaging and measurement of an animal body.... [more] | MBE2019-18 pp.11-15 |
|
| OCS, PN, NS (Joint) |
2019-06-21 16:00 |
Iwate | MALIOS（Morioka） | 50.4 Tbit/s, L-band 480 ch-WDM, 128 QAM-160 km digital coherent optical transmission using an injection-locked homodyne receiver Takashi Kan, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2019-19 |
Injection locking method enables us to realize precise optical carrier-phase synchronization between transmitted data an... [more] | OCS2019-19 pp.47-50 |
| OCS, CS (Joint) |
2019-01-17 17:15 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) | [Invited Lecture]
160 Gbit/s, 256 QAM bidirectional coherent transmission for next generation mobile fronthaul Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Katsumi Iwatsuki, Masataka Nakazawa (Tohoku Univ.) CS2018-95 OCS2018-75 |
We have recently proposed a simple digital coherent transmission system with an injection locking technique for a next g... [more] | CS2018-95 OCS2018-75 pp.47-52(CS), pp.41-46(OCS) |
| LQE, OPE, SIPH | 2018-12-07 10:30 |
Tokyo | Keio University | [Invited Talk]
Widely Tunable Lasers based on DFB array at FURUKAWA Akihiko Kasukawa, Tatsuro Kurobe, Toshikazu Mukaihara (Furukawa Electric) OPE2018-131 LQE2018-141 SIPH2018-47 |
Widely tunable lasers (T-LD) had been developed for WDM CW light source during IT bubble since the system makers had to ... [more] | OPE2018-131 LQE2018-141 SIPH2018-47 pp.171-176 |
| OPE, LQE, OCS | 2018-10-19 13:05 |
Saga | Optimization of signal amplitudes for dynamic range of analog-to-digital convertor in digital coherent reception of ultra-high QAM optical signals Yasuhiro Kawabata, Koji Igarashi (Osaka Univ.) OCS2018-45 OPE2018-81 LQE2018-70 |
In the digital coherent reception of ultra-high quadrature amplitude modulation (QAM) optical signals, the received ampl... [more] | OCS2018-45 OPE2018-81 LQE2018-70 pp.93-97 |
|
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
12 bit/s/Hz, 58.2 Tbit/s, 256 QAM-160 km C-band WDM Transmission Using an Injection Locking Technique Takashi Kan, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2018-28 |
Injection locking can realize precise carrier-phase synchronization between the transmitted data and a local oscillator ... [more] | OFT2018-28 pp.73-77 |
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Observation of GAWBS noise and development of its compensation technique in digital coherent optical transmission Naoya Takefushi, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2018-29 |
Guided acoustic-wave Brillouin scattering (GAWBS) noise is an optical phase fluctuation that occurs coherently with ther... [more] | OFT2018-29 pp.79-83 |
| OCS, OFT, LSJ (Joint) [detail] |
2018-08-30 16:50 |
Hokkaido | Hakodate Hokuyo Building 8Kai Hall | 600 Gbps/λ Signal Transmission Technologies Employing High-order Modulation Formats Asuka Matsushita, Masanori Nakamura, Fukutaro Hamaoka, Seiji Okamoto, Yoshiaki Kisaka (NTT) OCS2018-23 |
The communication traffic is increasing exponentially and there are demands to increase the capacity of optical transmis... [more] | OCS2018-23 pp.25-29 |
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