4 × 20 GHz silica-based AWG hybrid integrated receiver optical sub-assemblies |
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引用本文: | 李超懿,安俊明,张家顺,王亮亮,李建光,王玥,尹小杰,王红杰,吴远大.4 × 20 GHz silica-based AWG hybrid integrated receiver optical sub-assemblies[J].Chinese Optics Letters,2018(6). |
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作者姓名: | 李超懿 安俊明 张家顺 王亮亮 李建光 王玥 尹小杰 王红杰 吴远大 |
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摘 要: | Both the 4 × 20 GHz coarse wavelength division multiplexing and LAN-WDM receiver optical sub-assemblies(ROSAs) were developed. The ROSA package was hybrid integrated with a planar lightwave circuit arrayed waveguide grating(AWG) with 2% refractive index difference and a four-channel top-illuminated positive-intrinsicnegative photodetector(PD) array. The output waveguides of the AWG were designed in a multimode structure to provide flat-top optical spectra, and their end facet was angle-polished to form a total internal reflection interface to realize vertical coupling with a PD array. The maximum responsivity of ROSA was about 0.4 A/W, and its 3 dB bandwidth of frequency response was up to 20 GHz for each transmission lane. The hybrid integrated ROSA would be a cost-effective and easy-assembling solution for 100 Gb E data center interconnections.
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