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Conferences > CLEO_AT > 2023 > JW2A > JW2A.5

Optical 90° Hybrid Based on Cascaded Deformed MMI Couplers with Low Loss and High Balance

Xiangyang Dai, Jieru Zhao, Liyuan Song, Yudan Zhang, Qiaoyin Lu, John F. Donegan, and Weihua Guo

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Abstract

We present an optical 90° hybrid based on cascaded deformed multi-mode interference couplers. The fabricated hybrid demonstrated the common-mode rejection-ratio >25dB, excess-loss ~1dB, and phase deviation less than ±5° within the wavelength range over 45nm.

© 2023 The Author(s)

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