Low-loss Bi-layer Edge Couplers for Blue Light

Yiding Lin; Jason C. C. Mak; Hong Chen; Xin Mu; Xin Mu; Andrei Stalmashonak; Youngho Jung; Xianshu Luo; Patrick G.-Q. Lo; Wesley D. Sacher; Joyce K. S. Poon; Joyce K. S. Poon

doi:10.1364/CLEO_SI.2021.SM4C.7

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper SM4C.7
•https://doi.org/10.1364/CLEO_SI.2021.SM4C.7

Low-loss Bi-layer Edge Couplers for Blue Light

Yiding Lin, Jason C. C. Mak, Hong Chen, Xin Mu, Andrei Stalmashonak, Youngho Jung, Xianshu Luo, Patrick G.-Q. Lo, Wesley D. Sacher, and Joyce K. S. Poon

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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New Approaches to Mode Coupling (SM4C)

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Y. Lin, J. C. C. Mak, H. Chen, X. Mu, A. Stalmashonak, Y. Jung, X. Luo, P. G. -. Lo, W. D. Sacher, and J. K. S. Poon, "Low-loss Bi-layer Edge Couplers for Blue Light," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper SM4C.7.

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Abstract

We report low-loss silicon nitride bi-layer fiber-to-chip edge couplers on 200-mm silicon wafers for visible spectrum photonic circuits. The minimum per-facet coupling loss at λ=488nm was ~2.6dB (TM), and polarization-independent coupling was achieved with ~3.2-dB loss.

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