Tunable Doppler shift using a time-varying epsilon-near-zero thin film near 1550??nm

We experimentally investigate the tunable Doppler shift in an 80 nm thick indium-tin-oxide (ITO) film at its epsilon-near-zero (ENZ) ...

Source: Optics Letters - July 14, 2021 Category: Physics Authors: Cong Liu M. Zahirul Alam Kai Pang Karapet Manukyan Joshua R. Hendrickson Evan M. Smith Yiyu Zhou Orad Reshef Hao Song Runzhou Zhang Haoqian Song Fatemeh Alishahi Ahmad Fallahpour Ahmed Almaiman Robert W. Boyd Moshe Tur Alan E. Willner Source Type: research