2005
274 OPTICS LETTERS/Vol. 23, No. 4/February 15, 1998 Gain characteristics of tellurite-based erbium-doped fiber amplifiers for 1.5-μm broadband amplification

Yasutake Ohishi , Atsushi Mori , Makoto Yamada , Hirotaka Ono
Optical Amplifiers and Their Applications: From the Topical Meeting Optical Amplifiers and Their Applications, July 27-29, 1998, Vail, Colorado 25 97 -97

1998
First Demonstration of an Er3+-Doped Fluorophosphate Glass Fiber Amplifier for WDM Systems

Hirotaka Ono , Koichi Nakagawa , Makoto Yamada , Shoichi Sudo
Optoelectronics and Communications Conference 16C1. 5 -16C1. 5

1996
Analytical modeling of FM-EDFA employing average inversion level

Hirotaka Ono , Makoto Yamada
IEICE Technical Report; IEICE Tech. Rep.

32-core inline multicore fiber amplifier for dense space division multiplexed transmissionsystems

Saurabh Jain , Takayuki Mizuno , Yongmin Jung , Q Kang
ECOC 2016-Post Deadline Paper; 42nd European Conference on Optical Communication 1 -3

48
2016
First demonstration of 1580 nm-band large scale WDM ring network over dispersion-shifted fiber employing optical add-drop multiplexers

Tadashi Sakamoto , Masaki Fukui , Masahiko Jinno , Jun-ichi Kani
Integrated Optics and Optical Fibre Communications, 11th International Conference on, and 23rd European Conference on Optical Communications (Conf. Publ. No.: 448) 4 5 -8

1
1997
1.58-\mum Band Gain-Flattened Erbium-Doped Fiber Amplifiers for WDM Transmission Systems

Hirotaka Ono , Makoto Yamada , Terutoshi Kanamori , Shoichi Sudo
Journal of lightwave Technology 17 ( 3) 490 -490

150
1999
Dense SDM (12-Core $\times $3-Mode) Transmission Over 527 km With 33.2-ns Mode-Dispersion Employing Low-Complexity Parallel MIMO Frequency-Domain Equalization

Kohki Shibahara , Doohwan Lee , Takayuki Kobayashi , Takayuki Mizuno
Journal of Lightwave Technology 34 ( 1) 196 -204

138
2015
S-band erbium-doped fiber amplifiers with a multistage configuration-design, characterization, and gain tilt compensation

Hirotaka Ono , Makoto Yamada , Makoto Shimizu
Journal of Lightwave technology 21 ( 10) 2240 -2240

81
2003
Broadband amplification characteristics of tellurite-based EDFAs

Atsushi Mori , Yasutake Ohishi , Makoto Yamada , Hirotaka Ono
Integrated Optics and Optical Fibre Communications, 11th International Conference on, and 23rd European Conference on Optical Communications (Conf. Publ. No.: 448) 3 135 -138

37
1997
1.7 μm band optical fiber amplifier

Makoto Yamada , Hirotaka Ono , K Ohta , Shinichi Aozasa
Optical Fiber Communication Conference Tu2D. 3 -Tu2D. 3

25
2014
Multicore EDFA for long-distance transmission

Makoto Yamada , Hirotaka Ono , Shoichiro Matsuo
Next-Generation Optical Communication: Components, Sub-systems, and Systems III 9009 137 -142

4
2014
1.8 µm band broadband hybrid light source employing a combination of a super luminescent diode and thulium-doped fiber amplifier

Kazuya Ota , Jun Ono , Hiroshi Mori , Hirotaka Ono
Applied Optics 60 ( 30) 9419 -9424

1
2021
Low-loss and low-mode-dependent-loss fan-in/fan-out device for 6-mode 19-core fiber

Kota Shikama , Yoshiteru Abe , Hirotaka Ono , Atsushi Aratake
Journal of Lightwave Technology 36 ( 2) 302 -308

22
2017
Multilane photonic spectral processor integrated in a spatial and planar optical circuit for a space-division multiplexing network

Mitsumasa Nakajima , Kenya Suzuki , Keita Yamaguchi , Hirotaka Ono
Journal of Lightwave Technology 36 ( 2) 309 -317

11
2017
1
2023
Optical communication node

Kazunori Senoo , Kenya Suzuki , Keita Yamaguchi , Takayuki Mizuno

1
2022
Gain Dynamics of Few-Mode Erbium-Doped Fiber Amplifier

Hirotaka Ono , Makoto Yamada
IEEE Photonics Technology Letters

2024
Multimode optical amplifier

Hirotaka Ono , Takayuki Mizuno , Koki Shibahara , Yutaka Miyamoto

2024
Optical transponder

Hirotaka Ono

2024