期刊
LASER & PHOTONICS REVIEWS
卷 8, 期 2, 页码 L18-L22出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201300157
关键词
hybrid; mode multiplexing; polarization; silicon
资金
- 863 project [2011AA010301]
- Nature Science Foundation of China [11374263]
- Zhejiang provincial grant [2011C11024]
- Ministry of Education of China [20120101110094]
An 8-channel hybrid (de)multiplexer to simultaneously achieve mode- and polarization-division-(de)multiplexing is proposed and demonstrated experimentally on a silicon-on-insulator platform to improve the link capacity of an on-chip optical interconnect. The present hybrid (de)multiplexer has four channels for each polarization. A polarization beam splitter based on a three-waveguide coupler is used to combine/separate the fundamental modes of TE- and TM-polarizations (TE0 and TM0). Six asymmetric directional couplers are cascaded for (de)multiplexing the high-order modes (TE1, TE2, TE3, TM1, TM2, and TM3). The experimental results show all eight channels have low loss and low crosstalk (<-10dB) over a approximate to 30nm wavelength range.
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