[WG2] Hybrid Integration I

12:15 PM - 12:30 PM JST(3:15 AM - 3:30 AM UTC)

[WG2-5] Tunable Laser Linewidth via Phase Wrapping in Optical Phase Random Walk Modulation

○Chen Zheng¹, Tetsuya Kawanishi^1,2 (1.Waseda University , 2.National Institute of Information and Communications Technology)

Keywords:

Optical modulators

A phase wrapping method is proposed to confine FPGA-generated Brownian random walk signals, enabling tunable laser linewidth through phase modulation while effectively mitigating the low-frequency loss observed in the mirror method.