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A Novel Nanoslotted Quadrabeam Photonic Crystal Cavity Sensor with High Sensitivity and High Q-factor

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We experimentally demonstrate a sensor based on a novel nanoslotted quadrabeam photonic-crystal cavity (NQPC). The NQPC possesses both high-sensitivity and high-Q factor. We achieved sensitivity of 451nm/RIU and Q-factor >7000 in water at telecom-wavelength range.

© 2014 Optical Society of America

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