Ultra-Low Loss Vertical Optical Couplers for 3D Photonic Integrated Circuits

Kuanping Shang; Shibnath Pathak; Guangyao Liu; S. J. B. Yoo

doi:10.1364/OFC.2015.Th1F.6

Optical Fiber Communication Conference
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper Th1F.6
•https://doi.org/10.1364/OFC.2015.Th1F.6

Ultra-Low Loss Vertical Optical Couplers for 3D Photonic Integrated Circuits

Kuanping Shang, Shibnath Pathak, Guangyao Liu, and S. J. B. Yoo

Optical Fiber Communication Conference 2015

Los Angeles, California United States
22–26 March 2015
ISBN: 978-1-55752-937-4

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Functional Photonic Circuits (Th1F)

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K. Shang, S. Pathak, G. Liu, and S. J. B. Yoo, "Ultra-Low Loss Vertical Optical Couplers for 3D Photonic Integrated Circuits," in Optical Fiber Communication Conference, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper Th1F.6.

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Abstract

We design, fabricate, and demonstrate ultra-low loss Si₃N₄ vertical couplers for multilayer photonic integrated circuits. We achieve 0.05 dB coupling loss, 100×2 μm² footprint, and vertical coupling tolerant to lateral misalignment up to 1.2 μm.

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