Research Papers

Modeling and analysis of the temperature sensitivity in two-dimensional photonic crystal microcavity

[+] Author Affiliations
Abdesselam Hocini, Ahlam Harhouz

Mohamed Boudiaf University of M’sila, Laboratoire d’Analyse des Signaux et Systèmes, Department of Electronics, BP.166, Route Ichebilia, M’sila 28000, Algeria

J. Nanophoton. 10(1), 016007 (Feb 19, 2016). doi:10.1117/1.JNP.10.016007
History: Received August 19, 2015; Accepted February 3, 2016
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Abstract.  We propose a temperature sensor design based on the two-dimensional (2-D) photonic crystals (PhCs) microcavity coupled to two waveguides. We consider a Si 2-D PhC, and the refractive index (RI) of distilled water in holes has been taken as temperature dependent. The resonant wavelength will shift when temperature variation induces change in the RIs of the distilled water. The temperature variation causes the shifting of defect modes. The transmission characteristics of light in the sensor under different RIs that correspond to the change in temperatures are simulated by using the finite-difference time-domain method. A sensitivity of 84  pm/°C was achieved with the structure proposed. This property can be exploited in the design of a temperature sensor.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Abdesselam Hocini and Ahlam Harhouz
"Modeling and analysis of the temperature sensitivity in two-dimensional photonic crystal microcavity", J. Nanophoton. 10(1), 016007 (Feb 19, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.016007


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