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Title: Wavelength dependence of optical nonlinearity of terpyridine-based Zn(II)-coordinated rigid linear polymers
Authors: He, Tingchao
Rajwar, Deepa
Ma, Lin
Wang, Yue
Bang Lim, Zheng
Grimsdale, Andrew C.
Sun, Handong
Issue Date: 2012
Source: He, T., Rajwar, D., Ma, L., Wang, Y., Bang Lim, Z., Grimsdale, A. C., et al. (2012). Wavelength dependence of optical nonlinearity of terpyridine-based Zn(II)-coordinated rigid linear polymers. Applied Physics Letters, 101(21).
Series/Report no.: Applied Physics Letters
Abstract: We present the wavelength dependent optical nonlinearities of two terpyridine-based Zn(II)-coordinated rigid linear polymers. It is found that the polymers exhibit large saturable absorption behavior under resonant excitation, while strong and tunable 2-photon absorption behaviors are observed in the biological window of 700–900 nm. Interestingly, Z-scan results reveal that, the polymers also exhibit large positive nonlinear refraction at 1300 nm in the solutions even with a low concentration, accompanied by small 3-photon absorption. Our results suggest that the polymers will be promising in various photonic applications, such as mode locking, 2-photon biological imaging, and all-optical switching.
ISSN: 0003-6951
DOI: 10.1063/1.4767390
Rights: © 2012 American Institute of Physics. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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