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Tunable thermo-optic switch based on fluid-filled photonic crystal fibers |
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| Authors: | Ran Wang Jian-quan Yao Ying Lu Yin-ping Miao Xiao-lei Zhao and Ruo-qi Wang |
| Affiliation: | 1. Institute of Laser & Optoelectronics, College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin, 300072, China 2. Key Laboratory of Optoelectronics Information Technology, Ministry of Education, Tianjin University, Tianjin, 300072, China 3. Tianjin Key Laboratory of Film Electronic and Communication Device, School of Electronics Information Engineering, Tianjin University of Technology, Tianjin, 300384, China |
| Abstract: | A tunable thermo-optic intensity-modulated switch is investigated theoretically and numerically. It is based on the infiltration of temperature-sensitive mixture liquids into index-guiding photonic crystal fibers (PCFs). The switching function attributes to the thermo-optic effect of the effective refractive index of the cladding. The simulation illustrates that the switch presents a tunable transition point according to the concentration of the mixture liquids, and the on-off switching functionality can be realized within a narrow temperature range of 2 °C. The switches have wide application for innovative all-in-fiber optical communication and logic devices. |
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