Cost-effective, asynchronous 4 × 40Gbps full-duplex OCDMA demonstrator using apodized SSFBGs and a multi-port encoder/decoder. - Ryosuke Matsumoto; Takahiro Kodama; Satoshi Shimizu; Ryujiro Nomura; Koji Omichi; Naoya Wada; Ken-ichi Kitayama (OFC/NFOEC, 2013)