Photonic crystal cavity on optical fiber facet for refractive index sensing |
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| Authors: | Wang Bowen Siahaan Timothy Dündar Mehmet A Nötzel Richard van der Hoek Marinus J He Sailing van der Heijden Rob W |
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| Institution: | Department of Applied Physics and COBRA Research Institute, Eindhoven University of Technology, P.O. Box 513, NL-5600 MB Eindhoven, The Netherlands. |
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| Abstract: | Using a micromanipulation technique, a planar photonic crystal nanocavity made from a thin semiconductor membrane is released from the host semiconductor and attached to the end facet of a standard single-mode optical fiber. The cavity spectrum can be read out through the fiber by detecting the photoluminescence of embedded quantum dots. The modified fiber end serves as a fiber-optic refractive index sensor. |
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