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Demonstration of Dual-Mode Photonic Integrated Circuit Based on Inverse-Designed Photonic Components
IEEE Photonics Technology Letters ( IF 2.3 ) Pub Date : 2021-09-29 , DOI: 10.1109/lpt.2021.3116765
Zishan Zeng , Longhui Lu , Pengxiang He , Deming Liu , Minming Zhang

We design and experimentally demonstrate an ultra-compact dual-mode mode-division multiplexing (MDM) photonic integrated circuit (PIC), which supports on-chip optical signal mode-order-based routing and mode-independent broadcasting. The MDM circuit is composed of inverse-designed three multiplexers, one 3-dB power splitter, three bends and one crossing based on photonic-crystal-like subwavelength structure. The measured excess loss and crosstalk of the fabricated MDM circuit are lower than 5.9 dB and −13 dB over a 60 nm observable wavelength span, respectively. The experiment results of single-channel 25 Gbit/s optical signal transmission show that only 1.2-dB power penalty is introduced through the MDM circuit at a bit-error-rate of 10 −9 .

中文翻译:


基于反设计光子元件的双模光子集成电路演示



我们设计并实验演示了一种超紧凑的双模模分复用(MDM)光子集成电路(PIC),它支持片上光信号基于模式顺序的路由和模式无关的广播。 MDM电路由基于类光子晶体亚波长结构的逆向设计的3个多路复用器、1个3dB功率分配器、3个弯曲和1个交叉组成。在 60 nm 可观测波长范围内,所测量的 MDM 电路的额外损耗和串扰分别低于 5.9 dB 和 -13 dB。单通道25 Gbit/s光信号传输的实验结果表明,在误码率为10 -9 的情况下,通过MDM电路仅引入1.2 dB的功率损失。
更新日期:2021-09-29
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