Y. Tachikawa

A high-performance optical spectrum monitor with high-speed measuring time for WDM optical networks

T. Chikama, K. Otsuka, T. Maki, 1997 .

FDM optical switching of 16 channels at 5 Gbit/s data rate using an SSG DBR laser and arrayed-waveguide grating

Hiroyuki Ishii, Y. Sakai, Y. Tachikawa, 1994 .

Multichannel optical wavelength selective switch with arrayed-waveguide grating multiplexer

Y. Tachikawa, A. Himeno, S. Suzuki, 1994 .

TUNABLE WDM-CHANNEL GROUP DROP FILTERS BASED ON A SMART DEVICE COFIGURATION

Y. Tachikawa, Y. Inoue, 1995 .

Arrayed-waveguide grating lasers and their applications to tuning-free wavelength routing

K. Okamoto, Y. Tachikawa, K. Okamoto, 1996 .