[WB3] Coherent DSP

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

[WB3-2] Novel Time-Interleaving Method for Higher Baud-rate Optical DAC Transmitters

○Hanwei Chen^1,2, Yohei Sobu^1,2, Toshihiko Mori^1,2, Takeshi Hoshida², Shinsuke Tanaka^1,2 (¹Photonics Electronics Technology Research Association, ²Fujitsu Limited)

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.