Flexible power-efficient Nyquist-OTDM transmitter, using a WSS and time-lens effect. - Gabriella Cincotti; Satoshi Shimizu; Takuya Murakawa; Takahiro Kodama; Kunihiro Hattori; Masayuki Okuno; Shinji Mino; Akira Himeno; Tomotaka Nagashima; Makoto Hasegawa; Naoya Wada; Hiroyuki Uenohara; et al. (OFC, 2015)