Optics express
Low-loss, large-bandwidth multi-tip edge coupler for heterogeneous chip integration with large-mode-field-diameter.
Zhaohui Liu, Jingjing Sun, Zihao Li, Chao Chen, Jianwei Zhang, Shixuan Jiao, Suo Wang, Jing Zhang, Yinli Zhou, Hao Wu, Zhuo Zhang, Tianjiao Liu, Yongqiang Ning, Lijun Wang
Published: 202510.1364/OE.575018
Abstract
To address the challenge of high coupling losses in integrating wide-waveguide, large mode-field-diameter (MFD) laser gain chips with silicon-based photonic chips, this paper proposes a four-segment multi-tip edge coupler (FS-MTEC) based on a Si3N4-o…
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