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Distributed Sensors Using a PANDA Ring Resonator Type in Multiwavelength Router

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4 Author(s)
Tamee, K. ; Dept. of Comput. Sci. & Inf. Technol., Naresuan Univ., Phitsanulok, Thailand ; Srinuanjan, K. ; Mitatha, S. ; Yupapin, P.P.

We propose a new system of microring sensing transducer using a PANDA ring resonator type, in which the sensing unit is consisted of an optical add/drop filter and two nanoring resonators, where one ring is placed as a transducer (sensing unit), the other ring is set as a reference ring. In operation, the external force is assumed to exert on the sensing ring resonator. The method of finite difference time domain (FDTD) via the computer programming called Optiwave is used to simulate the sensing behaviors. The obtained results have shown that the change in wavelength due to the change in sensing ring radii is seen, in which the wavelength shift of 1 nm resolution is achieved. The distributed sensing system is designed, which is available for network sensing applications. The behavior of light within a PANDA ring resonator is also analyzed and reviewed.

Published in:

Sensors Journal, IEEE  (Volume:11 ,  Issue: 9 )