Thermally Stable and Resonance Enhanced Large Nonlinear Optical Properties In Poled Silica Films Doped with Thiazole Azo Dye |
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Authors: | Hideki Nakayama Okihiro Sugihara Hisashi Fujimura Ryoka Matsushima Naomichi Okamoto |
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Affiliation: | (1) The Graduate School of Electronic Science and Technology, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432, Japan;(2) Faculty of Engineering, Shizuoka University, 3-5-1 Johoku, Hamamatsu 432, Japan |
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Abstract: | Sol-gel processed poled silica films doped with novel nonlinear organic materials, thiazole azo dye (TA), are prepared in high concentration. Resonance enhanced second-order nonlinear optical coefficient of d33 = 154 pm/V is obtained from TA doped silica film (40 wt%) for the fundamental wavelength of 1064 nm. The value d33 is unvaried for at least 100 h under a high temperature condition (100°C) without any relaxation. Wavelength dependent second-order nonlinearity is also measured. |
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Keywords: | thiazole azo dye second harmonic generation (SHG) poled silica film resonance enhanced SHG thermal stability |
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