Shigehiro Takasaka

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 25

Top Topics

Power Transmission

Highly Nonlinear

Top Venues

Publications

Shigehiro Takasaka, Daichi Ogata, Ayato Shirai, Satoru Ichihara, Junji Yoshida, Norihiro Ohishi
C+L Band Transmission under Bidirectionally Pumped Distributed Raman Amplification Using Semiconductor Incoherent Pumps. OFC (2024)
Daniel J. Elson, Vitaly Mikhailov, Jiawei Luo, Shohei Beppu, Glenn W. Baxter, Ralf Stolte, Luke Stewart, Shigehiro Takasaka, Mindaugas Jarmolovicius, Eric Sillekens, Robert I. Killey, Polina Bayvel, Noboru Yoshikane, Takehiro Tsuritani, Yuta Wakayama
Continuous 16.4-THz Bandwidth Coherent DWDM Transmission in O-band using a Single Fibre Amplifier System. OFC (2024)
Cheng Guo, Michael Vasilyev, Youichi Akasaka, Paparao Palacharla, Shigehiro Takasaka, Ryuichi Sugizaki
Temperature-tuned two-segment highly-nonlinear fiber with increased stimulated Brillouin scattering threshold. OFC (2023)
Ryuichi Sugizaki, Masanori Takahashi, Shigehiro Takasaka, Toshio Kimura
Design and applications of Highly nonlinear fibers. OFC (2023)
Shigehiro Takasaka, Norihiro Ohishi, Satoru Ichihara, Nitidet Thudsalingkarnsakul, Naoya Hojo, Yasuto Tatamida, Junji Yoshida, Sanguan Anantathanasarn, Toshio Kimura
Quasi-Constant Signal Power Transmission with Low Signal RIN by DRA with Incoherent-Forward and Coherent-Backward Pumps. OFC (2023)
Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Junji Yoshida, Shigehiro Takasaka, Yasuto Tatamida, Hiroto Kawakami, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Kei Watanabe, Takashi Saida, Yutaka Miyamoto
50-Tb/s (1 Tb/s × 50 ch) WDM Transmission on Two 6.25-THz Bands Using Hybrid Inline Repeater of PPLN-based OPAs and Incoherent-forward-pumped DRA. OFC (2022)
Youichi Akasaka, Shigehiro Takasaka, Ryuichi Sugizaki, Cheng Guo, Michael Vasilyev
S-band Amplifier Using Highly Nonlinear Fibers. OECC/PSC (2022)
Abdallah A. I. Ali, Tu Thanh Nguyen, Sonia K. Boscolo, Shigehiro Takasaka, Ryuichi Sugizaki, Andrew D. Ellis
Reduced Impact of Frequency Dithering on the Performance of High-Order Modulation Format Phase Conjugation. OFC (2021)
Tu Thanh Nguyen, Sonia K. Boscolo, Abdallah A. I. Ali, Mingming Tan, Tingting Zhang, Shigehiro Takasaka, Ryuichi Sugizaki, Stylianos Sygletos, Andrew D. Ellis
Kernel-Based Learning-Aided Phase Noise Compensation in Dual-Pump Optical Phase Conjugation Coherent System. OFC (2021)
Shigehiro Takasaka
Multicore Erbium Doped Fibre Amplification Techniques. ECOC (2021)
Shigehiro Takasaka, Koichi Maeda, Ryuichi Sugizaki, Yoshihiro Arashitani
Output Power Increase of Cladding Pumped 7-core EDFA by Using Mie Scattering. ECOC (2020)
Benjamin J. Puttnam, Georg Rademacher, Ruben S. Luís, Tobias A. Eriksson, Werner Klaus, Yoshinari Awaji, Naoya Wada, Koichi Maeda, Shigehiro Takasaka, Ryuichi Sugizaki
Transmission and Crosstalk Measurements in MC-EDFA amplified 19-core link. OECC/PSC (2019)
Takayuki Kobayashi, Masahito Morimoto, Haruki Ogoshi, Junji Yoshida, Shigehiro Takasaka, Yutaka Miyamoto
-Order Forward-Pumped Distributed Raman Amplification Utilizing Incoherent Pumping. OFC (2019)
Youichi Akasaka, Yinwen Cao, Shigehiro Takasaka, Kenji Yamauchi, Koichi Maeda, Haoqian Song, Ryuichi Sugizaki, Alan E. Willner, Tadashi Ikeuchi
WDM Amplification of One Pump HNLF Based Phase Sensitive Amplifier with Static Pump Phase Tuning. OFC (2019)
Shigehiro Takasaka
Highly Nonlinear Fiber for Optical Parametric Amplifier. OFC (2019)
Benjamin J. Puttnam, Georg Rademacher, Ruben S. Luis, Tobias A. Eriksson, Werner Klaus, Yoshinari Awaji, Naoya Wada, Koichi Maeda, Shigehiro Takasaka, Ryuichi Sugizaki
0.715 Pb/s Transmission Over 2, 009.6 km in 19-Core Cladding Pumped EDFA Amplified MCF Link. OFC (2019)
Koichi Maeda, Shigehiro Takasaka, Kohei Kawasaki, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto
Propagation Direction Interleaved Cladding Pumped 19-core EDFA. OECC/PSC (2019)
Shigehiro Takasaka, Koichi Maeda, Kohei Kawasaki, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto
Cladding Pump Recycling Device for 19-Core EDFA. OFC (2019)
Daiki Soma, Shohei Beppu, Koichi Maeda, Shigehiro Takasaka, Ryuichi Sugizaki, Hidenori Takahashi, Takehiro Tsuritani
Long-Haul MCF Transmission Using Full C+L-Band 19-Core Cladding-Pumped EDFA. ECOC (2018)
Shigehiro Takasaka, Koichi Maeda, Kohei Kawasaki, Kazuaki Yoshioka, Ryuichi Sugizaki, Masayoshi Tsukamoto
Cladding Pump Recycling in 7-Core EDFA. ECOC (2018)
Shigehiro Takasaka, Koichi Maeda, Kohei Kawasaki, Kazuaki Yoshioka, Hajime Oshio, Ryuichi Sugizaki, Hidenori Takahashi, Takehiro Tsuritani, Masato Shiino
EDF Length Dependence of Amplification Characteristics of Cladding Pumped 19-Core EDFA. OFC (2018)
Yinwen Cao, Ahmed Almaiman, Youichi Akasaka, Fatemeh Alishahi, Morteza Ziyadi, A. Mohajerin-Ariaei, Changjing Bao, P. Liao, A. Fallahpour, B. Shamee, Tadashi Ikeuchi, Shigehiro Takasaka, Ryuichi Sugizaki, Joseph D. Touch, Moshe Tur, Alan E. Willner
Experimental demonstration of Raman-assisted phase sensitive amplifier with reduced ASE noise level and more than 25dB net gain. OFC (2017)
Shigehiro Takasaka, Ryuichi Sugizaki
Three-stage quasi-phase-matched fiber optical parametric amplifier with flat 30-dB gain with 31-nm bandwidth. OFC (2017)
Shigehiro Takasaka, Koichi Maeda, Kohei Kawasaki, Kazuaki Yoshioka, Hajime Oshio, Ryuichi Sugizaki, Yu Kawaguchi, Hidenori Takahashi, Takehiro Tsuritani, Masato Shiino
Increase of Cladding Pump Power Efficiency by a 19-Core Erbium Doped Fibre Amplifier. ECOC (2017)
Shigehiro Takasaka, Ryuichi Sugizaki
Polarization insensitive fiber optical parametric amplifier using a SBS suppressed diversity loop. OFC (2016)
Ken Tanizawa, Hiroyuki Matsuura, Kensuke Ogawa, Toshimitsu Kaneko, Eiichi Banno, Katsumi Uesaka, Shigehiro Takasaka, Hidenori Iwai, Kazuya Ota, Haruhiko Kuwatsuka, Yoichi Oikawa, Takeshi Yagi, Hajime Shoji, Shu Namiki
Dynamic parametric dispersion compensation using FPGA pump controller and dispersion monitor. OFC (2015)
Youichi Akasaka, Jeng-Yuan Yang, M. Sekiya, Tadashi Ikeuchi, Yinwen Cao, Ahmed Almaiman, Morteza Ziyadi, A. Mohajerin-Ariaei, Peicheng Liao, Alan E. Willner, Shigehiro Takasaka, Ryuichi Sugizaki
Experimental demonstration of Raman-assisted phase sensitive amplifier with negligible gain/power fluctuation. ECOC (2015)
A. Mohajerin-Ariaei, Morteza Ziyadi, M. R. Chitgarha, Ahmed Almaiman, Yinwen Cao, Youichi Akasaka, J.-Y. Yang, M. Sekiya, Joseph D. Touch, Moshe Tur, Shigehiro Takasaka, Ryuichi Sugizaki, Carsten Langrock, Martin M. Fejer, Alan E. Willner
Experimental demonstration of tunable phase-noise mitigation and automatic frequency/phase locking for a 20-32 Gbaud QPSK homodyne receiver using optical mixing of nonlinearly generated higher harmonics. OFC (2015)
Yinwen Cao, Morteza Ziyadi, Youichi Akasaka, Amirhossein Mohajerin Ariaei, J.-Y. Yang, Ahmed Almaiman, P. Liao, Shigehiro Takasaka, Ryuichi Sugizaki, Joseph D. Touch, M. Sekiya, Moshe Tur, Alan E. Willner
Experimental demonstration of optical signal level swapping and multi-level amplitude noise mitigation using three parametric gain regions. OFC (2015)
Shigehiro Takasaka, Yuki Taniguchi, Masanori Takahashi, Jiro Hiroshi, Masateru Tadakuma, Ryuichi Sugizaki
Wideband parametric processing with 1-dB bandwidth of 40nm using dispersion stable PM-HNLF. ECOC (2014)
Hung Nguyen Tan, Takashi Inoue, Ken Tanizawa, Stephane Petit, Yoichi Oikawa, Shigehiro Takasaka, Takeshi Yagi, Shu Namiki
Counter-dithering pump scheme for cascaded degenerate FWM based wavelength converter. OFC (2014)
Shigehiro Takasaka, Yuki Taniguchi, Masanori Takahashi, Jiro Hiroshi, Masateru Tadakuma, Hiroshi Matsuura, Kohei Doi, Ryuichi Sugizaki
Quasi phase-matched FOPA with 50 nm gain bandwidth using dispersion stable highly nonlinear fiber. OFC (2014)
A. Mohajerin-Ariaei, Youichi Akasaka, Jeng-Yuan Yang, M. R. Chitgarha, Morteza Ziyadi, Yinwen Cao, Ahmed Almaiman, Joseph D. Touch, Moshe Tur, M. Sekiya, Shigehiro Takasaka, Ryuichi Sugizaki, Carsten Langrock, Martin M. Fejer, Alan E. Willner
Bit-rate-tunable regeneration of 30-Gbaud QPSK data using phase quantization and amplitude saturation. ECOC (2014)
Shigehiro Takasaka, Yu Mimura, Hiroshi Matsuura, Masahito Morimoto, Masanori Takahashi, Ryuichi Sugizaki
FOPA with flat 21-dB gain and NF less than 4-dB using alternately concatenated pump-phase shifters and HNLFs. OFC/NFOEC (2013)