Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4735258
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Funding
- Natural Science Foundation of China [60977043, 61007063]
- 863 project [2012AA012203]
- Tang Zhongyin Fund
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In this paper, the Fano resonance in the eye-like microring resonator system (EMRS) is theoretically and experimentally investigated. The asymmetric Fano-resonance line shape of EMRS is generated by adding a microring inside and coupling with the outer ring to produce a nonlinear phase shift. The EMRS was fabricated on silicon-on-insulator wafer by the complementary metal-oxide-semiconductor compatible process. Compared to the conventional single-stage microring add-drop filter structure, the maximum sharpness of the transmission of the drop port is enhanced 3 times, and the drop port extinction ratio is increased by about 20 dB. The experimental results are in good agreement with the theoretical analysis. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4735258]
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