[WB3] Coherent DSP

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[WB3-2] Novel Time-Interleaving Method toward higher baud-rate optical DAC Transmitters

○HANWEI CHEN^1,2, Yohei Sobu^1,2, Toshihiko Mori^1,2, Takeshi Hoshida², Shinsuke Tanaka^1,2 (1. Photonics Electronics Technology Research Association (PETRA) (Japan), 2. Fujitsu Limited (Japan))

Keywords:

Optical transmitter and receiver subsystems

We propose a time-interleaving method to overcome the bandwidth limitation of CMOS inverter drivers in optical digital-to-analog converter transmitters. Experiments demonstrate that the method is feasible by recovering the interleaved sub-signals to the original sequence.