[WP-E] Poster Session 2

[WP-E-17] Globally Optimized Ultra-Compact Silicon Edge Coupler with Subwavelength Grating for Sub-1 dB Coupling Loss

○Peng Meng Chan¹, Yuyao Huang², Wencan Liu², Sigang Yang², Hongwei Chen² (1.Beijing Institute of Technology, 2.Tsinghua University)

Keywords:

Tapered and grating waveguides for optical coupling

This work introduces an ultra-compact edge coupler, which optimized using a global optimization algorithm. The proposed EC achieves a low coupling loss of 0.76 dB at 1550 nm, with a total length of less than 51 μm.