| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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The 8$\times$10GHz Receiver Optical Subassembly Based on Silica Hybrid Integration Technology for Data Center Interconnection |
| Chao-Yi Li1,2, Jun-Ming An1,2**, Jiu-Qi Wang3, Liang-Liang Wang1, Jia-Shun Zhang1, Jian-Guang Li1, Yuan-Da Wu1,2, Yue Wang1, Xiao-Jie Yin1, Yong Li4, Fei Zhong4 |
1State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
2College of Material Science and Optoelectronic Technology, University of Chinese Academy of Sciences, Beijing 100049
3College of Software, Beihang University, Beijing 100191
4Henan Shi Jia Photons Technology Co., Ltd, Hebi 458030
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| Cite this article: |
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Chao-Yi Li, Jun-Ming An, Jiu-Qi Wang et al 2017 Chin. Phys. Lett. 34 104202 |
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Abstract An $8\times10$ GHz receiver optical sub-assembly (ROSA) consisting of an 8-channel arrayed waveguide grating (AWG) and an 8-channel PIN photodetector (PD) array is designed and fabricated based on silica hybrid integration technology. Multimode output waveguides in the silica AWG with 2% refractive index difference are used to obtain flat-top spectra. The output waveguide facet is polished to 45$^{\circ}$ bevel to change the light propagation direction into the mesa-type PIN PD, which simplifies the packaging process. The experimental results show that the single channel 1 dB bandwidth of AWG ranges from 2.12 nm to 3.06 nm, the ROSA responsivity ranges from 0.097 A/W to 0.158 A/W, and the 3 dB bandwidth is up to 11 GHz. It is promising to be applied in the eight-lane WDM transmission system in data center interconnection.
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Received: 25 July 2017
Published: 27 September 2017
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| PACS: |
42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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42.82.Fv
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(Hybrid systems)
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42.82.Bq
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(Design and performance testing of integrated-optical systems)
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| Fund: Supported by the National High Technology Research and Development Program of China under Grant No 2015AA016902, the National Natural Science Foundation of China under Grant Nos 61435013 and 61405188, and the K. C. Wong Education Foundation. |
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