期刊
SCIENCE CHINA-TECHNOLOGICAL SCIENCES
卷 56, 期 3, 页码 558-562出版社
SCIENCE PRESS
DOI: 10.1007/s11431-012-5124-y
关键词
format conversion; multi-channel; monolithic integration
资金
- National Basic Research Program of China [2011CB301704]
- Natural Science Fund for Distinguished Young Scholars [61125501]
- National Natural Science Foundation of China [61007042, 60877056, 61275072]
- Fundamental Research Funds for the Central Universities [2012QN104]
- Doctoral Program Foundation of Institutions of Higher Education of China [20090142110052]
Format conversion is enabling function at the interface of different networks with different optimal modulation formats. Meanwhile, multi-channel signal processing function has its special significance for dense wavelength division multiplexing networks. In this paper, we designed and fabricated a delay interferometer cascaded with an arrayed-waveguide grating based on silicon on insulator. The 4-channel return-to-zero on-off keying (RZ-OOK) to non-return-to-zero on-off keying (NRZ-OOK) and return-to-zero differential phase shift keying (RZ-DPSK) to non-return-to-zero differential phase shift keying (NRZ-DPSK) format conversions at 40 Gbit/s were realized with this integrated device, the output eye diagrams showed a good conversion performance. Thanks to the mature fabrication technology, this device shows great potential for its small size, low power consumption and possibility of monolithic integration.
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