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Conferences > BODA > 2015 > BW1A > BW1A.3

Directional-Coupler Interferometer Realizes a Miniaturized and High Sensitive Biosensor

K. Uchiyamada, K. Okubo, M. Yokokawa, E. T. Carlen, K. Asakawa, and H. Suzuki

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Abstract

Differentiation of several liquids and detection of DNAs conjugated with quantum-dots will be demonstrated using a microfabricated optical directional-coupler (DC)-based biochemical sensor. With DC sensors of different lengths, optical intensities measured at the output ports fit quite well to the corresponding fitting curve and the curve calculated based on the coupled mode theory.

© 2015 Optical Society of America

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