Authors
Jun Long Lim, et al.
Affiliations
- Photonic Technology Department, Institute for Infocomm Research, A*STAR, Singapore
- School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore
- College of Science, Donghua University, Shanghai, China
- School of Optical and Electronical Information, Huazhong University of Science and Technology, Wuhan, Hubei, China
Publication date
2015/6
Conference
8th International Conference on Materials for Advanced Technologies/ Photonics Global Conference 2015
Publisher
Procedia Engineering, Elsevier
Description
In this report, we carry out simulation and experimental investigations
of directional coupler structures with different separations between the
glycerin selectively infiltrated channel and silica core of a large
mode area Photonic Crystal Fiber (PCF). We assess their coupling
characteristics and the corresponding temperature sensing capabilities.
The temperature sensitivities of the glycerin selectively infiltrated
channel adjacent to the silica core and two periods away from the silica
core are −3.115 nm/°C and −2.332 nm/°C respectively. The glycerin
selectively infiltrated channel three periods away from the silica core
displays −107.8 pm/°C, an order of magnitude less temperature sensitive.
The simulation results agree with the experimental results that there
is a strong correlation between the coupling strength of the glycerin
selectively infiltrated channel and the silica core, affecting its
temperature response.
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