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Photonic crystal slot nanobeam slow light waveguides for refractive index sensing

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Date

2010-10-11

Authors

Wang, Bowen
Dündar, Mehmet A.
Nötzel, Richard
Karouta, Fouad
He, Sailing
van der Heijden, Rob W.

Journal Title

Journal ISSN

Volume Title

Publisher

American Institute of Physics

Abstract

We present the design, fabrication, and photoluminescence experiment of InGaAsP photonic crystal slot nanobeam slow light waveguides with embedded InAs quantum dots. The strong confinement of electric field in the slot region is confirmed by the measured record high sensitivity of 7 x 10 (2) nm per refractive index unit RIU to the refractive index change of the environment. A cavity, formed by locally deflecting the two beams toward each other, gives an even higher sensitivity of about 9x10(2) nm/RIU.

Description

Keywords

photonic crystal slot nanobeam, slow light waveguides, refractive index sensing

Citation

URI

http://hdl.handle.net/1885/15464

Collections

ANU Research Publications

Source

Applied Physics Letters

Type

Journal article

Book Title

Entity type

Access Statement

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DOI

10.1063/1.3497296

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