Abstract
Based on an on-chip coupling resonant system, we experimentally demonstrate tunable Fano resonances with maximum extinction ratio (ER) of 23.22 dB and maximum slope rate (SR) of 252 dB/nm. Moreover, the wavelength of Fano resonance can be shifted widely with a tuning efficiency of 0.2335 nm/mW.
© 2017 Optical Society of America
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