Author:
Matsumoto Ryosuke,Konoike Ryotaro,Matsuura Hiroyuki,Suzuki Keijiro,Inoue Takashi,Ikeda Kazuhiro,Namiki Shu,Sato Ken-ichi
Abstract
We develop a ROADM using an 8-channel integrated polarization-insensitive, wide-bandwidth silicon tunable ring-filter for signal drop. A 75-GHz-spaced 60-channel 200-Gb/s DP-QPSK signal is transmitted over 640 km (8 span × 80 km) without any penalty.