[WD1] Novel Fiber Transmission and Frequency Comb

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[WD1-5] 22.8-GHz Optical Frequency Comb Generation at 780 nm based on Regeneratively Mode-locked Laser for Visible-light Coherent DWDM Communications

○Takashi Kan, Shota Ishimura, Abdulaziz E. Elfiqi, Hidenori Takahashi, Takehiro Tsuritani (KDDI Research, Inc.)

Keywords:

Optical transmitter and receiver subsystems

We, for the first time, demonstrate a regeneratively mode-locked laser at 780 nm with a 10-dB bandwidth of 707 GHz. By using the developed laser, a demodulation of 10-Gbaud QPSK signal was achieved.