用于数据中心发射端的同侧阵列波导光栅复用器

Same Side Arrayed Waveguide Grating Multiplexer for Data Center Transmitter

针对数据中心互连用波分复用芯片需求,采用折射率差为1.5%的硅基二氧化硅光波导,设计并制备了应用于数据中心发射端的同侧、小型化、低损耗4通道粗波分复用芯片,尺寸为6.6 mm×2.2 mm,最小插入损耗小于2.33 dB,1 dB带宽大于11.35 nm,偏振相关损耗小于0.14 dB,波长精准度偏差小于0.38 nm。完全满足数据中心光互连波分复用芯片商用指标要求。

A silicon based optical waveguide with 1.5%refractive index difference is used for data center interconnect on wavelength-division multiplexing chip.A 4-channel chip with same side,small size and low loss is designed and fabricated for data center transmitter.The size of the chip is 6.6 mm×2.2 mm,the minimum insertion loss is less than 2.33 dB,the 1 dB bandwidth is more than 11.35 nm,the polarization dependent loss is less than 0.14 dB,and the wavelength accuracy deviation is less than 0.38 nm.The optical performance can meet the wavelength-division multiplexing commercial specifications of the data center optical interconnect.