期刊
LASER & PHOTONICS REVIEWS
卷 7, 期 3, 页码 303-328出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201200023
关键词
Silicon; polarization; splitter; rotator; waveguide; nonlinear
资金
- 863 projects (Ministry of Science and Technology of China) [2011AA010301, 2012AA011001]
- National Nature Science Foundation of China [61077040, 61178001, 61107020]
- Zhejiang provincial grant of China [Z201121938]
- Guangdong Innovative Research Team Program [201001D0104799318]
- Fundamental Research Funds for the Central Universities
- National Research Council Canada
Polarization management is very important for photonic integrated circuits (PICs) and their applications. Due to geometrical anisotropy and fabrication inaccuracies, the characteristics of the guided transverse-electrical (TE) and transverse-magnetic (TM) modes are generally different. Polarization-dependent dispersion and polarization-dependent loss are such manifestations in PICs. These issues become more severe in high index contrast structures such as nanophotonic waveguides made of silicon-on-insulator (SOI), which has been regarded as a good platform for optical interconnects because of the compatibility with CMOS processing. Recently, polarization division multiplexing (PDM) with coherent detection using silicon photonics has also attracted much attention. This trend further highlights the importance of polarization management in silicon PICs. The authors review their work on polarization management for silicon PICs using the polarization independence and polarization diversity methods. Polarization issues and solutions in PICs made of SOI nanowires and ridge waveguides are discussed.
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