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Ultrasensitive on-chip photonic crystal nanobeam sensor using optical bistability

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9 Author(s)
Qimin Quan ; Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA ; Vollmer, F. ; Burgess, I.B. ; Deotare, P.B.
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An ultrasensitive nonlinear cavity sensing method is proposed and demonstrated, in which the detection limit is not bounded by the quality factor of the cavity. 10mg/dL glucose concentration and 100aM BSAmolecules are detected.

Published in:

Lasers and Electro-Optics (CLEO), 2011 Conference on

Date of Conference:

1-6 May 2011