K. Nakagawa

Time shared lightwave reference frequency distribution for photonics networks

K. Aida, K. Nakagawa, K. Nakagawa, 1994, 1994 IEEE GLOBECOM. Communications: The Global Bridge.

1.8 Gbit/s transmission over 210 km using an erbium-doped fiber laser amplifier with 20 dB repeater gain in a direct detection system

Atsushi Takada, Kazuo Hagimoto, Katsumi Iwatsuki, 1990 .

2 Gb/s operation of an optical-clock-driven monolithically integrated GaAs D-flip-flop with metal-semiconductor-metal photodetectors for high-speed synchronous circuits

H. Takara, T. Takada, M. Saruwatari, 1992, IEEE Photonics Technology Letters.

Optical time domain reflectometry in a single-mode fiber

K. Nakagawa, K. Aoyama, K. Nakagawa, 1981 .

Wavelength evolution of fiber Bragg gratings fabricated from hydrogen-loaded optical fiber during annealing

M. Yamauchi, K. Nakagawa, S. Ejima, 2004, Journal of Lightwave Technology.

Experimental Demonstration of Optically Phase-Shifted SSB Modulation with Fiber-Based Optical Hilbert Transformers

K. Nakagawa, N. Hanzawa, K. Takano, 2007, OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference.

3.6 Gb/s all laser-diode optical soliton transmission

S. Nishi, K. Iwatsuki, K. Nakagawa, 1990, IEEE Photonics Technology Letters.

A 10 Gbit/s long-span fiber transmission experiment employing optical amplification technique and monolithic IC technology

Yutaka Miyamoto, Kazuo Hagimoto, K. Aida, 1990 .

800 MHz s.a.w. timing filter for optical fibre transmission system

J. Minowa, M. Morimoto, K. Nakagawa, 1980 .

Noise figure monitoring of a cascaded in-line erbium-doped fiber amplifier

K. Aida, K. Nakagawa, H. Masuda, 1993, IEEE Photonics Technology Letters.