Frequency conversion through time refraction using an epsilon-near-zero material

Yiyu Zhou; Mohammad Karimi; Jeremy Upham; Orad Reshef; Cong Liu; Alan E. Willner; M. Zahirul Alam; Robert W. Boyd; Robert W. Boyd

doi:10.1364/CLEO_QELS.2019.FF1B.3

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2019),
paper FF1B.3
•https://doi.org/10.1364/CLEO_QELS.2019.FF1B.3

Frequency conversion through time refraction using an epsilon-near-zero material

Yiyu Zhou, Mohammad Karimi, Jeremy Upham, Orad Reshef, Cong Liu, Alan E. Willner, M. Zahirul Alam, and Robert W. Boyd

CLEO: QELS_Fundamental Science 2019

San Jose, California United States
5–10 May 2019
ISBN: 978-1-943580-57-6

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Time Varying Metasurfaces (FF1B)

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Y. Zhou, M. Karimi, J. Upham, O. Reshef, C. Liu, A. E. Willner, M. Z. Alam, and R. W. Boyd, "Frequency conversion through time refraction using an epsilon-near-zero material," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2019), paper FF1B.3.

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Abstract

We report a large and tunable frequency shifting over 14.8 THz bandwidth of an infrared probe beam through time refraction in indium tin oxide (ITO) in its epsilon-near-zero region. The sign of the frequency change can be controlled by adjusting the delay between a pump and the probe.

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