e波段硅基密集波分复用（DWDM） AWG的设计与制造

IF 3 Q3 Physics and Astronomy

Results in Optics Pub Date : 2025-03-10 DOI:10.1016/j.rio.2025.100806

Feng Han , Jiashun Zhang , Liangliang Wang , Pengwei Cui , Yue Wang , Junming An , Jun Chen , Bingli Sun , Tianhong Zhou

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引用次数: 0

摘要

设计并制作了一种相对折射率差为0.75%的e波段48通道平顶硅基密集波分复用（DWDM）阵列波导光栅（AWG）。为了减少由于二氧化硅材料折射率随外界环境温度变化而引起的中心波长漂移，对AWG芯片进行了非热封装，将中心波长漂移从8.2 pm/°C减小到0.643 pm/°C。经测试的53.12 GBPS pam-4高速传输眼信号清晰可见，消光比大于2.7 DB。高性能AWG为e波段数据中心传输提供了应用基础。

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Design and fabrication of E-band silica based dense wavelength-division multiplexing (DWDM) AWG

A E-Band,48 channels flat top silica based dense wavelength-division multiplexing (DWDM) arrayed waveguide grating (AWG) was designed and fabricated with 0.75 % relative refractive index difference. In order to reduce the center wavelength drift caused by the refractive index of silica material changing with external environmental temperature, the AWG chip was athermal packaged, and the center wavelength drift was reduced from 8.2 pm/° C to 0.643 pm/° C. The transmission spectra were measured, which the results shows that optical performance is uniform. The tested 53.12 GBPS pam-4 high-speed transmission eye signals are clearly visible, extinction ratio is more than 2.7 DB. The high-performance AWG provides an application basis for e-band data center transmission.

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