| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OCS, CS (Joint) |
2025-01-16 13:30 |
Fukuoka | リファレンス駅東ビル貸会議室 | [Invited Lecture]
100 Gbit/s-class fully coherent mobile fronthaul transmission towards next-generation radio access networks Keisuke Kasai, Tomoki Joichi, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) |
(Advance abstract in Japanese is available) [more] | |
| OCS, CS (Joint) |
2024-01-12 09:55 |
Kagoshima | Fully coherent optical and wireless transmission in the 28 GHz band by using an injection-locked carrier frequency converter Koichi Shirahata, Keisuke Kasai, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.), Uichiro Azuma, Toshiyuki Kobayashi (Nihon Dengyo Kosaku)  OCS2023-63 |
As an optical mobile fronthaul with low latency and low power consumption, we have proposed a fully coherent optical and... [more] | OCS2023-63 pp.31-36 |
|
| AP | 2023-02-17 14:55 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Coherently-linked optical and wireless transmission by using a 28 GHz band microstrip antenna Keisuke Kasai, Taisei Sato, Koichi Shirahata, Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ), Uichiro Azuma, Toshiyuki Kobayashi (Dengyo) AP2022-229 |
As an economical, large-capacity mobile fronthaul, we have proposed coherently-linked optical and wireless transmission ... [more] | AP2022-229 pp.178-183 |
| OCS, CS (Joint) |
2022-01-13 15:55 |
Yamaguchi | Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
Performance comparison of injection-locked carrier frequency conversion and self-heterodyne detection methods in coherently-linked optical and wireless transmission Taisei Sato, Koichi Shirahata, Keisuke Kasai, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2021-34 |
We have demonstrated a coherently-linked 64 Gbit/s, 256 QAM transmission in the 61 GHz IF band over a 10 km single-mode ... [more] | OCS2021-34 pp.7-10 |
| OFT | 2021-05-14 13:45 |
Online | Online | BER performance improvement of ultrahigh-speed coherent Nyquist pulse transmission using low-nonlinearity, dispersion-compensated transmission line with chirped FBG and LCoS Kosuke Kimura, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2021-7 |
We demonstrate a low-nonlinearity, dispersion-compensated transmission line composed of a chirped FBG and an LCoS device... [more] | OFT2021-7 pp.27-30 |
| 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 14:55 |
Online | Online | Study on chromatic dispersion dependence of GAWBS noise Kozo Sato, Takashi Kan, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2020-30 |
We have proposed the guided acoustic-wave Brillouin scattering (GAWBS) phase noise compensation method with a pilot tone... [more] | OCS2020-30 pp.18-23 |
| OCS, CS (Joint) |
2021-01-15 14:25 |
Online | Online | 12.8 Tbit/s (1.28 Tbit/s/ch x 10) OTDM-WDM Transmission of PDM-DQPSK Optical Nyquist Pulses over 1500 km Aoi Watanabe, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2020-37 |
Motivated by the rapid increase in global data traffic, ultrahigh-speed transmission with a single-channel bit rate exce... [more] | OCS2020-37 pp.50-54 |
| OCS, OFT, LSJ (Joint) [detail] |
2020-08-28 15:15 |
Online | Online | Experimental and theoretical analyses of GAWBS phase noise in multi-core fiber for digital coherent transmission Masato Yoshida, Naoya Takefushi, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2020-7 |
(Advance abstract in Japanese is available) [more] | OCS2020-7 pp.15-20 |
| 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, PN, NS (Joint) |
2019-06-20 10:35 |
Iwate | MALIOS（Morioka） | Sub-Picosecond Optical Switch over Entire C-Band by Using Nonlinear Optical Loop Mirror Ryoya Hirata, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OCS2019-10 |
Ultrafast optical switches have many useful applications ranging from ultrahigh-speed optical communication to signal pr... [more] | OCS2019-10 pp.1-4 |
| OCS, PN, NS (Joint) |
2019-06-20 11:00 |
Iwate | MALIOS（Morioka） | GAWBS noise characteristics in digital coherent transmission in various optical fibers Naoya Takefushi, Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OCS2019-11 |
(Advance abstract in Japanese is available) [more] | OCS2019-11 pp.5-10 |
| 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) |
| OCS, CS (Joint) |
2019-01-17 17:40 |
Okinawa | Nobumoto Ohama Memorial Hall (Ishigaki Island) | [Invited Lecture]
Dual-polarization real-time 256～512 QAM digital coherent transmission Masato Yoshida, Keisuke Kasai, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) CS2018-96 OCS2018-76 |
(Advance abstract in Japanese is available) [more] | CS2018-96 OCS2018-76 pp.53-58(CS), pp.47-52(OCS) |
| OFT | 2018-10-11 14:00 |
Miyagi | Touhoku Univ. | [Poster Presentation]
Single-channel 10.2 Tbit/s Optical Nyquist Pulse Transmission over 300 km Ryoya Hirata, Jianping Wang, Toshihiko Hirooka, Masato Yoshida, Masataka Nakazawa (Tohoku Univ.) OFT2018-26 |
We have proposed an optical Nyquist pulse and its orthogonal TDM scheme for high-speed and high spectrally efficient tra... [more] | OFT2018-26 pp.61-66 |
| 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 |
| CS, OCS (Joint) |
2018-01-29 15:45 |
Ehime | Ehime University | 80 Gbit/s, 256 QAM digital coherent optical transmission with injection-locking for next generation mobile fronthaul Keisuke Kasai, Yixing Wang, Masato Yoshida, Toshihiko Hirooka, Katsumi Iwatsuki, Masataka Nakazawa (Tohoku Univ.) OCS2017-70 |
We propose a simple digital coherent transmission system with injection-locking for the next generation (5G and post 5G)... [more] | OCS2017-70 pp.19-24 |
| OFT, OCS, IEE-CMN, ITE-BCT [detail] | 2016-11-11 09:30 |
Nagasaki | Nagasaki Shoko Kaigi Sho | Fabrication of a multi-core fiber by using a slurry casting method Jun Yamamoto, Tamotsu Yajima, Yusuke Kinoshita, Futoshi Ishii (Kohokoku Kogyo), Masato Yoshida, Toshihiko Hirooka, Masataka Nakazawa (Tohoku Univ.) OFT2016-30 |
We fabricated a 7 core multi-core fiber (MCF) using a slurry casting method with a highly pure SiO2 powder as a starting... [more] | OFT2016-30 pp.29-33 |
[Return to Top Page]