Balancing the trade-off between absorption and nonlinearity in NLO polymers for practical applications

Min-su Kim; Jung Jin Ju; Seung Koo Park; Jung Yun Do; Myung-Hyun Lee

doi:10.1117/12.618182

18 August 2005 Balancing the trade-off between absorption and nonlinearity in NLO polymers for practical applications

Min-su Kim, Jung Jin Ju, Seung Koo Park, Jung Yun Do, Myung-Hyun Lee

Proceedings Volume 5935, Linear and Nonlinear Optics of Organic Materials V; 593509 (2005) https://doi.org/10.1117/12.618182
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Despite many advantages toward nonlinear optical (NLO) waveguide devices, NLO polymers have not been adopted successfully into practical wavelength converters due to their high absorption losses. Empirical and theoretical understandings about NLO susceptibilities imply the fundamental trade-off between optical absorption and nonlinearity. Our theoretical analysis elucidates the effect of absorption losses on second-harmonic generation, difference-frequency generation, and cascaded wavelength conversion. We compare analytically maximum conversion efficiencies for those NLO processes with several NLO polymers and suggest that the cascaded wavelength conversion is a plausible application of NLO polymers. Furthermore, we found a convincing approach for the development of NLO polymers with the optimum combination of high optical nonlinearity and low material absorption, which leads us to realize efficient polymeric wavelength converters.

Citation Download Citation

Min-su Kim, Jung Jin Ju, Seung Koo Park, Jung Yun Do, and Myung-Hyun Lee "Balancing the trade-off between absorption and nonlinearity in NLO polymers for practical applications", Proc. SPIE 5935, Linear and Nonlinear Optics of Organic Materials V, 593509 (18 August 2005); https://doi.org/10.1117/12.618182

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