Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OCS, OFT, LSJ (Joint) [detail] |
2024-08-23 10:55 |
Hokkaido |
(Hokkaido) |
[Invited Talk]
Oscillation Spectrum of Harmonically Mode-Locked Fiber Laser Utilizing Semiconductor Optical Amplifier Joji Maeda (Tokyo Univ. of Science) OFT2024-26 |
The output pulse stream from harmonically mode-locked fiber lasers can exhibit amplitude fluctuations, known as supermod... [more] |
OFT2024-26 pp.29-34 |
OFT, OCS, LSJ (Joint) [detail] |
2023-08-25 10:20 |
Hokkaido |
(Hokkaido, Online) (Primary: On-site, Secondary: Online) |
A Study on Repetition Frequency Lockup in Regeneratively and Harmonically Mode-Locked Fiber Ring Laser by Using Phase-Locked Loop Yu Iwamoto, Joji Maeda (Tokyo Univ. of Science) OCS2023-24 |
Pulse self-oscillation based on regeneratively and harmonically mode-locking is extremely stable, though its repetition ... [more] |
OCS2023-24 pp.27-32 |
ITE-BCT, OCS, IEE-CMN, OFT |
2022-11-11 13:50 |
Miyagi |
Forest-Sendai (Miyagi, Online) (Primary: On-site, Secondary: Online) |
A Numerical Study on Hilbert Transform Used in Direct-Detection Coherent Reception Using Kramers-Kronig Relation
-- Comparison between Frequency Domain and Time Domain Realization -- Ryo Tamura (Tokyo Univ. of Science), Kariyawasam Amila (Kyushu Univ.), Joji Maeda (Tokyo Univ. of Science) OCS2022-46 |
As a candidate for high capacity optical links for data center interconnect, direct-detection self coherent heterodyne r... [more] |
OCS2022-46 pp.36-40 |
OFT, OCS, IEE-CMN, ITE-BCT [detail] |
2021-11-19 13:50 |
Online |
Online (Online) |
An Experimental Study on Compensation of Dispersion-induced Fading in Analogue Radio over Fiber System using Self-Phase Modulation Kento Okunushi, Amila Kariyawasam, Joji Maeda (Tokyo Univ. of Science) OCS2021-32 |
It is known that the penalty due to chromatic-dispersion-induced power fading in radio-over-fiber links can be mitigated... [more] |
OCS2021-32 pp.21-26 |
PN, NS, OCS (Joint) |
2021-06-25 13:00 |
Online |
Online (Online) |
An experimental study on polarization multiplexing of analog RoF signals Yo Nakamura, Amila Kariyawasam, Joji Maeda (Tokyo Univ. of Science) OCS2021-4 |
Analog Radio-over-Fiber (A-RoF) technology is expected to be adopted in next generation mobile fronthauls (MFH) because ... [more] |
OCS2021-4 pp.15-19 |
OPE, OCS, LQE |
2020-10-23 09:05 |
Online |
Online (Online) |
A study on Kramers-Kronig receivers with regard to reduction of penalties due to sampling Kentaro Toba, Takaha Fujita, Enzo Tsukui, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2020-8 OPE2020-31 LQE2020-11 |
The direct detection method that reconstructs phase information using Kramers-Kronig (KK) relation is attracting attenti... [more] |
OCS2020-8 OPE2020-31 LQE2020-11 pp.1-6 |
OPE, OCS, LQE |
2020-10-23 16:40 |
Online |
Online (Online) |
An Experimental Study on Repetition-Frequency Doubling of Regeneratively and Harmonically Mode-Locked Fiber Ring Laser Yasuyuki Takayama, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2020-21 OPE2020-44 LQE2020-24 |
Regeneratively and harmonically mode-locking is a method of extracting a modulation clock from generated pulse, and real... [more] |
OCS2020-21 OPE2020-44 LQE2020-24 pp.67-71 |
OCS, PN, NS (Joint) |
2019-06-20 13:50 |
Iwate |
MALIOS(Morioka) (Iwate) |
A Numerical Study on Receiver Sensitivity Degradation of Stokes Vector Modulation Signals Ryo Suzuki, Kariyawasam Indipalage Amila Sampath, Joji Maeda (TUS) OCS2019-15 |
We numerically study the receiver sensitivity degradation of a DSP-assisted direct-detection receiver for Stokes vector-... [more] |
OCS2019-15 pp.25-29 |
OCS, CS (Joint) |
2019-01-17 13:15 |
Okinawa |
Nobumoto Ohama Memorial Hall (Ishigaki Island) (Okinawa) |
A Study on Wavelength-Reuse WDM-PON using Reflective Semiconductor Optical Amplifier and Fabry-Perot Etalon Takumi Shibata, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2018-70 |
Wavelength-reuse using gain saturation of reflective semiconductor optical amplifier (RSOA) has been proposed as a color... [more] |
OCS2018-70 pp.13-18 |
CS, OCS (Joint) |
2018-01-29 14:30 |
Ehime |
Ehime University (Ehime) |
Compensation of modulation distortion in microwave Radio-over-Fiber systems by means of chromatic dispersion
-- Improvement of OFDM radio transmission -- Shun Endo, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2017-67 |
In radio over fiber systems, it is desirable to increase the depth of optical modulation in favor of large signal-to-noi... [more] |
OCS2017-67 pp.1-6 |
CS, OCS (Joint) |
2018-01-29 14:55 |
Ehime |
Ehime University (Ehime) |
WDM-PON with Wavelength Reuse Employing Semiconductor Optical Amplifier and Fabry-Perot Ethalon
-- Automatic Tuning of Etalon and Experiments on Bi-Directional Transmission -- Takuya Izumisawa, Yoshiki Ikeda, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2017-68 |
Wavelength-reuse is a technique for WDM-PON that realizes color-less optical network units (ONUs), where the downstream ... [more] |
OCS2017-68 pp.7-12 |
OCS, OPE, LQE |
2017-10-27 10:20 |
Kumamoto |
Josaien, Sakuranobaba (Kumamoto) |
A study on equivalence between optical QAM transmission using phase-conjugated twin waves and polarization-multiplexed optical APSK transmission. Toshiki Nakao, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2017-49 OPE2017-81 LQE2017-54 |
Distortion compensation using phase-conjugated twin waves has been proposed to overcome the transmission limit of optica... [more] |
OCS2017-49 OPE2017-81 LQE2017-54 pp.67-71 |
R, EMD, CPM, LQE, OPE |
2017-09-01 10:00 |
Aomori |
(Aomori) |
Regeneratively and harmonically mode-locked fiber ring laser employing clock extraction from the second harmonic Joji Maeda, Kai Sakuma, Kariyawasam Indipalage Amila Sampath (Tokyo Univ. of Science) R2017-33 EMD2017-27 CPM2017-48 OPE2017-57 LQE2017-30 |
Regenerative mode-locking is a technique of self-oscillation for pulsed lasers, where the electrical clock signal extrac... [more] |
R2017-33 EMD2017-27 CPM2017-48 OPE2017-57 LQE2017-30 pp.45-50 |
PN, NS, OCS (Joint) |
2017-06-16 09:20 |
Akita |
Akita Univ. (Akita) |
WDM-PON with Wavelength-Reuse by means of Semiconductor Optical Amplifier and Fabry-Perot Ethalon
-- Experiments on Bi-Directional Transmission -- Yoshiki Ikeda, Kariyawasam Indipalage Amila Sampath, Joji Maeda (Tokyo Univ. of Science) OCS2017-15 |
Wavelength-reuse is a technique for WDM-PON that realizes color-less optical network units (ONUs), where the downstream ... [more] |
OCS2017-15 pp.23-28 |
OCS, NS, PN (Joint) |
2016-06-23 10:25 |
Hokkaido |
Hokkaido University (Hokkaido) |
A Study on High Speed WDM-PON with Downstream Re-modulation using Gain Saturation of Semiconductor Optical Amplifier
-- Bandwidth Limitation using Fabry-Perot Etalon and its Tuning -- Takuya Izumisawa, Yoshiki Ikeda, Yuto Omori, Joji Maeda (TUS) OCS2016-9 |
In wavelength-division multiplexed passive optical network (WDM-PON) systems, optical network units (ONUs) in the user s... [more] |
OCS2016-9 pp.1-4 |
OCS, NS, PN (Joint) |
2016-06-23 10:50 |
Hokkaido |
Hokkaido University (Hokkaido) |
Compensation of modulation distortion in microwave Radio-over-Fiber systems by means of chromatic dispersion
-- A Study on RoF transmission of OFDM signals -- Shun Endo, Yuji Sakaki, Masanobu Miyauchi, Joji Maeda (TUS) OCS2016-10 |
In radio over fiber systems, it is desirable to increase the depth of optical modulation in favor of large signal to noi... [more] |
OCS2016-10 pp.5-9 |
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] |
2015-07-16 14:30 |
Hokkaido |
Kushiro City Lifelong Learning Center (Hokkaido) |
Rational harmonic mode-locked laser using a bismuth-oxide-based highly nonlinear erbium-doped fiber Yutaka Fukuchi, Joji Maeda (Tokyo Univ. of Science) EMT2015-15 MW2015-53 OPE2015-27 EST2015-19 MWP2015-18 |
[more] |
EMT2015-15 MW2015-53 OPE2015-27 EST2015-19 MWP2015-18 pp.41-46 |
EMT, MW, OPE, MWP, EST, IEE-EMT [detail] |
2015-07-16 14:55 |
Hokkaido |
Kushiro City Lifelong Learning Center (Hokkaido) |
Widely wavelength-tunable ultra-flat frequency comb generation from a harmonically mode-locked fiber laser using a bismuth-based highly nonlinear erbium-doped fiber Yutaka Fukuchi, Joji Maeda (Tokyo Univ. of Science) EMT2015-16 MW2015-54 OPE2015-28 EST2015-20 MWP2015-19 |
[more] |
EMT2015-16 MW2015-54 OPE2015-28 EST2015-20 MWP2015-19 pp.47-50 |
NS, OCS, PN (Joint) |
2015-06-18 11:10 |
Fukui |
Fukui-shi-chiiki-kouryu (Fukui) |
An experimental study on bandwidth enhancement in WDM-PON using downstream re-modulation by means of gain saturation of semiconductor optical amplifier Yuto Omori, Suguru Kurita, Yasuhiro Tsutsumi, Joji Maeda (TUS) OCS2015-11 |
Color-less optical network units that work at an arbitrary wavelength are anticipated in WDM-PON systems. Downstream re-... [more] |
OCS2015-11 pp.5-9 |
NS, OCS, PN (Joint) |
2015-06-18 11:35 |
Fukui |
Fukui-shi-chiiki-kouryu (Fukui) |
Compensation of modulation distortion in microwave Radio-over-Fiber systems by means of fiber dispersion Masanobu Miyauchi, Kohei Kimura, Yasuhiro Tsutsumi, Joji Maeda (TUS) OCS2015-12 |
In radio over fiber systems, it is desirable to increase the depth of optical modulation in favor of large signal to noi... [more] |
OCS2015-12 pp.11-14 |