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Conferences > FiO > 2015 > FM3D > FM3D.7

Nonlinear refractive index larger than linear index: towards all-optical switching with terahertz bandwidth using epsilon-near-zero thin film

M Zahirul Alam, Israel De Leon, and Robert W Boyd

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Abstract

We experimentally show that the nonlinear real index of an indium tin oxide thin film can be much larger than the linear part in epsilon-near-zero regime. This allows for greater than 10dB amplitude modulation in transmission with 500 fs recovery time.

© 2015 Optical Society of America

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