Adiabatic slot-to-strip waveguide mode converters based on self-imaging effect of MMI structures

Zihan Tao; Zihan Tao; Bowen Bai; Bowen Bai; Ruixuan Chen; Ruixuan Chen; Xingjun Wang; Xingjun Wang

doi:10.1364/ACPC.2020.M4A.146

Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper M4A.146
•https://doi.org/10.1364/ACPC.2020.M4A.146

Adiabatic slot-to-strip waveguide mode converters based on self-imaging effect of MMI structures

Zihan Tao, Bowen Bai, Ruixuan Chen, and Xingjun Wang

Asia Communications and Photonics Conference 2020

Beijing China
24–27 October 2020
ISBN: 978-1-943580-82-8

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Z. Tao, B. Bai, R. Chen, and X. Wang, "Adiabatic slot-to-strip waveguide mode converters based on self-imaging effect of MMI structures," in Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), K. Xu, D. Simeonidou, C. Chang-Hasnain, N. Wada, X. Ren, Z. Zhukov, P. Perry Shum, Y. Ji, J. Zhang, X. Zhou, C. Lu, and L. Wosinska, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper M4A.146.

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Abstract

We present an efficient slot-to-strip mode converter utilizing adiabatic multimode interference (MMI) structures. In different self-imaging positions, polarization insensitivity (polarization-dependent loss < -20 dB) and TE₁ mode suppression (transmission ~ -11.9 dB) have been achieved.

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