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9 November 2010 Studies of third-order optical nonlinearities of poly [2,1,3-benzoselenadiazole-(2,5-didodecyloxy-1,4phenylene)ethynylene] embedded in porous silicon
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Abstract
Third order nonlinear properties of new composite materials obtained by embedding A new type π-conjugated poly [2,1,3-benzoselenadiazole-(2,5-didodecyloxy-1,4-phenylene)ethynylene](PPE)in porous silicon are measured in 532nm. The picoseconds measurements show a significant increase of nonlinear refractive index not only with respect to the standard optical materials. The reason can be explained as follows, the Π-electron conjugation bond would be expected to have a significant effect on the ground and excited state dipole moments and electronic transition energies of the molecule and, consequently, could affect the third-order nonlinear optical property of the molecule. The result shows that it is a promising candidate for further material development and possible photonic device applications.
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Mei Xiang, Xiaoyi Lv, Jiaqing Mo, Zhenhong Jia, Furu Zhong, and Mavluda Omaraly "Studies of third-order optical nonlinearities of poly [2,1,3-benzoselenadiazole-(2,5-didodecyloxy-1,4phenylene)ethynylene] embedded in porous silicon", Proc. SPIE 7853, Advanced Sensor Systems and Applications IV, 785338 (9 November 2010); https://doi.org/10.1117/12.870420
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