[TuD3] High-Speed Modulators I

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

[TuD3-2] Analysis of Silicon Photonic Microring-Assisted WDM IQ Modulator

○Shuntaro Maeda¹, Go Soma¹, Takuya Okimoto¹, Yoshiaki Nakano¹, Takuo Tanemura¹ (1. The University of Tokyo (Japan))

Keywords:

Optical modulators,Photonic integrated circuits,Si photonic and heterogeneous platform

WDM IQ modulator with silicon photonic microrings is analyzed using a rigorous numerical model. The under-coupled four-microrings-per-wavelength configuration is revealed to incur only 1-dB penalty for QPSK format, offering enhanced flexibility in designing the microrings.