Third-Order Optical Nonlinearities in the Poly(2-Chloro-1,4-Phenylene Vinylene) Thin Film
SUN Zhen-rong, YANG Xi-hua, HUANG Yan-ping, DING Liang-en, QIN Li-juan, WANG Zu-geng
Department of Physics, Laboratory for Quantum Optics, East China Normal University, Shanghai 200062
Third-Order Optical Nonlinearities in the Poly(2-Chloro-1,4-Phenylene Vinylene) Thin Film
SUN Zhen-rong;YANG Xi-hua;HUANG Yan-ping;DING Liang-en;QIN Li-juan;WANG Zu-geng
Department of Physics, Laboratory for Quantum Optics, East China Normal University, Shanghai 200062
关键词 ：
42.65.An ,
78.66.Qn ,
42.70.Jk
Abstract ： A new polymer thin film, ploy (2-chloro-1,4-phenylene vinylene) (ClPPV), with high environmental and thermal stability, high optical damage threshold, and good film quality, was successfully prepared by the “precursor-route” method. Its third-order optical nonlinearities were measured by picosecond forward three-dimensional degenerate four-wave mixing technique. In the near resonance region (532nm), the measured third-order nonlinear optical coefficients x(3) zzzz and x(3) yzzy are 9.1 x 10-l0 and 7.2 x 10-11 esu, respectively, and its response time is quite fast, estimated to be less than picosecond. The Kerr effect, which arises from the distortion of the large quasi-one-dimensional π-conjugated electronic charge distribution of ClPPV, is the main reason for generating third-order optical nonlinearities.
Key words ：
42.65.An
78.66.Qn
42.70.Jk
出版日期: 1998-11-01
:
42.65.An
(Optical susceptibility, hyperpolarizability)
78.66.Qn
(Polymers; organic compounds)
42.70.Jk
(Polymers and organics)
引用本文:
SUN Zhen-rong;YANG Xi-hua;HUANG Yan-ping;DING Liang-en;QIN Li-juan;WANG Zu-geng. Third-Order Optical Nonlinearities in the Poly(2-Chloro-1,4-Phenylene Vinylene) Thin Film[J]. 中国物理快报, 1998, 15(11): 810-812.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1998/V15/I11/810
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1998, Vol. 15 
