Boyu Liu, Yong Zhang, Yu He, Xinhong Jiang, Ciyuan Qiu, Yikai Su
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引用次数: 0
Abstract
We experimentally demonstrate a compact silicon contradirectional coupler with high sidelobe suppression by using apodized subwavelength grating waveguide. A suppression ratio of higher than 20 dB is achieved with a ∼100-pm coupling length.
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