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Novel Design of Ring Resonator Based Temperature Sensor Using Photonics Technology

Photonic Sensors 2017年第4期7卷 311-316页

作者： Mas soudi RADHOUENE Mayur Kumar CHHIPA Monia NAJJAR S. ROBINSON bhuvneshwer suthar University of Tunis El Manar National Engineering School of Tunis Communications Systems LR-99-ES21(LR-Sys'Com-ENIT) Tunis 1002 Tunisia Department of Electronics & Communication Engineering K L University Guntur Andhra Pradesh 522502 India University of Tunis El Manar Higher Institute of Computer Ariana 2080 Tunisia Department of Electronics & Communication Engineering Mount Zion College of Engineering and TechnologyPudukkottai Tamil Nadu 622507 India Department of Physics Govt. Engineering College Bikaner Rajasthan 334004 India

In the present paper, we study the transmission of the two-dimensional photonic crystal （PC） superellipse ring resonator. The fast growing applications of optomechanical systems lead to strong demands in new sensing mechanism in order to design the sensing elements to nanometer scale. The photonic crystal based resonator has been investigated as promising solutions because the band gap structure and resonator characteristics are extremely sensitive to the deformation and position shift of rod/cavity in PC resonators. This structure opens a single channel filter. The study is extended for tuning of channel filter＇s wavelength with a temperature of this structure. The transmission of the channel filter shows a red shift with temperature linearly. This wavelength shift of the channel filter is used for the sensor application. The sensitivity for the proposed structure is found to be 65.3pm/℃. The outstanding sensing capability renders PC resonators as a promising optomechanical sensing element to be integrated into various transducers for temperature sensing applications.

关键词： Photonic crystal ring resonator temperature sensor finite difference time domain PWE method

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Slow Light Transmission in Chalcogenide Photonic Crystal Waveguide

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Journal of Electronic Science and Technology of China 2010年第1期8卷 39-42页

作者： bhuvneshwer suthar Ajay Kumar Nagar Anami Bhargava Nanophysics Laboratory Department of PhysicsGovt.Dungar CollegeBikaner-334001RajasthanIndia

The slow light propagation in a line defect waveguide in chalcogenide photonic crystal of As2S3 rods in air medium has been investigated. It is found that the filling factor of the chaleogenide photonic crystal and the size of defect rods decide the propagation of the guided mode. An increase in the filling factor results in a sharp decrease of the group velocity in the photonic crystal waveguide. It has been demonstrated that, by tuning the filling factor and size of defect rods, the group velocity will be reduced up to about 0.22c.

关键词： Chalcogenide photonic crystalwaveguide group velocity photonic band structure.

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