Title :
Generation of 448-Gbps OTDM-PDM-16QAM signal with an integrated modulator using orthogonal CSRZ pulses
Author :
Yamazaki, Hiroshi ; Goh, Takashi ; Hashimoto, Toshikazu ; Sano, Akihide ; Miyamoto, Yutaka
Author_Institution :
NTT Device Technol. Labs., NTT Corp., Atsugi, Japan
Abstract :
We generated a 56-Gbaud single-carrier PDM-16QAM signal using a single integrated modulator driven with 28-Gbaud electronic signals. Two orthogonal CSRZ pulses generated in the modulator are used for spectrally efficient OTDM.
Keywords :
modulators; optical communication; optical pulse generation; quadrature amplitude modulation; signal generators; time division multiplexing; OTDM-PDM-16QAM signal; bit rate 448 Gbit/s; carrier-suppressed return-to-zero pulse; electronic signals; integrated modulator; optical time division multiplexing; orthogonal CSRZ pulse generation; polarization division multiplexing; signal generation; single-carrier PDM-16QAM signal;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
