Abstract
We fabricated a specially designed polymer long-periodwaveguide grating to demonstrate the phenomenon of dual resonance arising from light coupling between the core mode and a low-ordercladding mode of the waveguide. By varying the temperature of the grating, we observed the onset and the evolution of the dual-resonancewavelengths. The separation between the dual-resonancewavelengths was varied by ∼110 nm with a temperature variation of ∼10 °C. The experimental results are explained well by the simulation results.
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42.79.Dj; 42.79.Gn
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Liu, Q., Chiang, K. & Lor, K. Dual resonance in a long-period waveguide grating. Appl. Phys. B 86, 147–150 (2007). https://doi.org/10.1007/s00340-006-2433-5
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DOI: https://doi.org/10.1007/s00340-006-2433-5