H. Maeda

Wavelength-selective cross connect featuring wide flat passband and high cascadability for WDM optical networks

T. Imai, M. Sumida, Y. Tada, 2001, IEEE Photonics Technology Letters.

Optimization of signal pulse duty factor in long-distance optical amplifier systems

M. Murakami, T. Imai, N. Ohkawa, 1998, IEEE Photonics Technology Letters.

Transoceanic twelve 10 Gbit/s WDM signal transmission experiment with individual channel dispersion-and-gain compensation and prechirped RZ pulse format

M. Murakami, T. Imai, T. Takahashi, 1997 .

Long-haul WDM transmission using higher order fiber dispersion management

M. Murakami, T. Imai, T. Matsuda, 2000, Journal of Lightwave Technology.

Asymmetric bi-directional WDM transmission of 8 (total) 10 Gbit/s channels using bi-directional amplifier comprising single unidirectional optical amplifier and four-port Mach-Zehnder WDM coupler

M. Sumida, Y. Tada, H. Maeda, 2000 .

Ten-repeatered bi-directional WDM transmission of eight channels at 10 Gbit/s using single-wavelength-band-operating bidirectional amplifiers

T. Imai, M. Sumida, H. Maeda, 2001 .