Hiroharu Wakabayashi

发表

12300ps/nm, 2.4Gbit/s Optical Fiber Transmission Experiment using Er-doped Fiber Amplifiers and Penalty due to Transmitter Phase Noise

Shu Yamamoto, Noboru Edagawa, Y. Yoshida, 1990 .

Ultra-short pulse generation for soliton transmission using electroabsorption modulators

Masatoshi Suzuki, Noboru Edagawa, Hidenori Taga, 1993 .

A design and experimental results of the OS-280M optical submarine repeater circuits

Hiroaki Yano, Hiroharu Wakabayashi, Kohichi Tatekura, 1984, Journal of Lightwave Technology.

Optical amplifier relay circuit

Shu Yamamoto, S. Akiba, Koji Goto, 1992 .

Influence of nondegenerate four-wave mixing on coherent transmission systems using in-line semiconductor laser amplifiers

Hiroharu Wakabayashi, Shiro Ryu, Kiyofumi Mochizuki, 1989 .

50 km, two-repeaters sea trial of optical-fibre submarine cable system

Hiroharu Wakabayashi, Yasuhiko Niiro, K. Amano, 1982 .

10 Gbit/s, 4500km Transmission Experiment Using 138 Cascaded Er-doped Fiber Amplifiers

Masatoshi Suzuki, Shu Yamamoto, Noboru Edagawa, 1992 .

A 168-km ultra-long-range OTDR measurement at a wavelength of 1.55 μm

Yoshinori Namihira, K. Kitagawa, Hiroharu Wakabayashi, 1989 .

Optical Costas loop experiment using a novel optical 90° hybrid module and a semiconductor-laser-amplifier external phase adjuster

Yoshinori Namihira, Hiroharu Wakabayashi, Tetsuya Miyazaki, 1991 .

Characterization of chromatic dispersion effect on 5-Gbit/s ultralong-distance EDFA transmission using a circulating loop

Masatoshi Suzuki, Shu Yamamoto, Y. Yoshida, 1992 .

First field demonstration of optical submarine cable system using LD-pumped Er-doped optical fibre amplifier

N. Edagawa, Yoshinori Namihira, Hiroharu Wakabayashi, 1989 .

Long-haul high-speed optical communication systems using a semiconductor laser amplifier

Shu Yamamoto, Y. Iwamoto, Hiroharu Wakabayashi, 1988 .

Light-relay supervising circuit

Hiroharu Wakabayashi, Yasuhiko Niino, 1979 .

Optical communication system monitor

Shigeyuki Akiba, Shu Yamamoto, Yukio Horiuchi, 1993 .

Power Feed Equipment for a Transoceanic Optical Fiber Submarine Cable System

Hiroharu Wakabayashi, Masanori Sato, Hitoshi Nishikawa, 1987, INTELEC '87 - The Ninth International Telecommunications Energy Conference.

459km, 2.4Gbit/s 4 Wavelength Multiplexing Optical Fiber Transmission Experiment using 6 Er-doped Fiber Amplifiers

N. Edagawa, Shu Yamamoto, Y. Yoshida, 1990 .

Polarization diversity techniques for the use of coherent optical fiber submarine cable systems

Shu Yamamoto, Yoshinori Namihira, Hiroharu Wakabayashi, 1991 .

Reliability of lambda /4-shifted DFB lasers fabricated on a mass-production basis

Shigeyuki Akiba, Shu Yamamoto, Hiroharu Wakabayashi, 1988 .

Long-haul Transmission using Actual Optical Amplifier Submarine Cable Systems

M. Tanaka, Tomohiro Otani, Koji Goto, 1995 .

Transoceanic Optical Submarine Cable Systems Using Optical Amplifiers

Shu Yamamoto, Hiroharu Wakabayashi, 1992 .

Fiber Length Dependence of Polarization Mode Dispersion Measurements in Long-Length Optical Fibers and Installed Optical Submarine Cables

Yoshinori Namihira, Hiroharu Wakabayashi, Y. Namihira, 1991 .

5 Gbit/s optical solution transmission experiment over 3000 km employing 91 cascaded Er-doped fibre amplifier repeaters

N. Edagawa, Shu Yamamoto, S. Akiba, 1992 .

Polarization mode dispersion measurements in single-mode optical fibers and cables

Hiroharu Wakabayashi, Y. Horiuchi, Y. Namihira, 1990 .

Bit error rate measurement of 2.5 Gbit/s data modulated solitons generated by InGaAsP EA modulator using a circulating loop

N. Edagawa, Shu Yamamoto, Hidenori Taga, 1992 .

Polarisation mode dispersion measurements in 4564km EDFA system

Yoshinori Namihira, Hiroharu Wakabayashi, Toshio Kawazawa, 1993 .

1.2 Gbit/s, 218 km transmission experiment using inline Er-doped optical fibre amplifier

N. Edagawa, Hiroharu Wakabayashi, Kiyofumi Mochizuki, 1989 .

The experimental study of the effect of fiber chromatic dispersion upon IM-DD ultra-long distance optical communication systems with Er-doped fiber amplifiers using a 1000 km fiber loop

N. Edagawa, Shu Yamamoto, S. Akiba, 1994 .

Analysis of chirp power penalty in 1.55-µm DFB-LD high-speed optical fiber transmission systems

Shu Yamamoto, Y. Iwamoto, Hiroharu Wakabayashi, 1987 .

Bit-error-rate characterization of IM-DD ultralong-distance optical communication systems with Er-doped fiber amplifiers using a recirculating loop

Shu Yamamoto, Hidenori Taga, Hiroharu Wakabayashi, 1993 .

Dynamic polarization fluctuation characteristics of optical fiber submarine cables under various environmental conditions

Yukio Horiuchi, Yoshinori Namihira, Hiroharu Wakabayashi, 1988 .

Observation of BER degradation due to fading in long-distance optical amplifier system

N. Edagawa, Shu Yamamoto, Hidenori Taga, 1993 .

Fiber chromatic dispersion equalization at the receiving terminal of IM-DD ultra-long distance optical communication systems

N. Edagawa, Shu Yamamoto, S. Akiba, 1994 .

904 km, 1.2 Gbit/s non-regenerative optical fibre transmission experiment using 12 Er-doped fibre amplifiers

N. Edagawa, Shu Yamamoto, Hidenori Taga, 1990 .

Analysis of laser phase noise to intensity noise conversion by chromatic dispersion in intensity modulation and direct detection optical-fiber transmission

N. Edagawa, Shu Yamamoto, Hidenori Taga, 1990 .

Pulse delay measurements in single-mode fibers using sum-frequency mixing as a picosecond shutter

Yoshinori Namihira, Hiroharu Wakabayashi, Y. Namihira, 1982 .

Chromatic dispersion measurements of 4564km optical amplifier repeater system

Yoshinori Namihira, Hiroharu Wakabayashi, Y. Horiuchi, 1993 .

First sea trial of FSK heterodyne optical transmission system using polarisation diversity

Shu Yamamoto, Yoshinori Namihira, Hiroharu Wakabayashi, 1988 .