Electro-optic effect in epsilon-near-zero organic thin films

Minjae Kim; Kyu-Ri Choi; MyungJin Shin; Virginie Placide; Benoit Heinrich; Fabrice Mathevet; Elena Zaborova; Frédéric Fages; Chantal Andraud; Jean-Charles Ribierre; Anthony D’Aléo; Soo Young Ko; Jeong-Weon Wu

doi:10.1117/12.2582501

5 March 2021 Electro-optic effect in epsilon-near-zero organic thin films

Minjae Kim, Kyu-Ri Choi, MyungJin Shin, Virginie Placide, Benoit Heinrich, Fabrice Mathevet, Elena Zaborova, Frédéric Fages, Chantal Andraud, Jean-Charles Ribierre, Anthony D’Aléo, Soo Young Ko, Jeong-Weon Wu

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Proceedings Volume 11683, Organic Photonic Materials and Devices XXIII; 116830O (2021) https://doi.org/10.1117/12.2582501
Event: SPIE OPTO, 2021, Online Only

Abstract

Third-order nonlinear optical response is shown to be enhanced near epsilon near zero (ENZ) spectral position. Regarding the materials exhibiting ENZ property, examples are reported such as hyperbolic metamaterial, inorganic oxides, nitrides, and organic monolithic hyperbolic thin film. By adopting series of organic thin films possessing ENZ property, we investigated second-order nonlinear optical process of electro-optic effect. When organic films are prepared in the order of several tens of nanometers thickness, a symmetry breaking takes place at the interface of organic thin film and substrate, allowing for second-order nonlinear optical responses of second harmonic generation and electro-optic (EO) effect. The presence of epsilon near pole (ENP) leads to an enhanced EO effect. The experimental results showed that the EO response is strongly enhanced in the spectral region of ENP associated with the existence of ENZ.

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Minjae Kim, Kyu-Ri Choi, MyungJin Shin, Virginie Placide, Benoit Heinrich, Fabrice Mathevet, Elena Zaborova, Frédéric Fages, Chantal Andraud, Jean-Charles Ribierre, Anthony D’Aléo, Soo Young Ko, and Jeong-Weon Wu "Electro-optic effect in epsilon-near-zero organic thin films", Proc. SPIE 11683, Organic Photonic Materials and Devices XXIII, 116830O (5 March 2021); https://doi.org/10.1117/12.2582501

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