Arash Nemati, Qian Wang, Norman Soo Seng Ang, Weide Wang, Minghui Hong, Jinghua Teng. Ultra-high extinction-ratio light modulation by electrically tunable metasurface using dual epsilon-near-zero resonances[J]. Opto-Electronic Advances, 2021, 4(7): 200088-1
- Opto-Electronic Advances
- Vol. 4, Issue 7, 200088-1 (2021)
Fig. 1. Impact of the bias connection on the reflection spectra under V =0 V and V =−2.5 V. Map of the reflection spectra of the modulator metasurface with a varying width of the bias connection and different polarization angle of the incident light.
Fig. 2. Impact of the light source incident angle on the reflection spectra under V =0 V and V =−2.5 V. Map of the reflection spectra of the modulator metasurface with a varying angle of the incident light.
Fig. 3. Impact of the ITO discs thickness on the reflection spectra. Map of the reflection spectra of the modulator metasurface with a varying thickness of the ITO discs (5 nm ≤ t ITO ≤ 30 nm) under the bias voltages of (a ) V =0 V and (b ) V =−2.5 V.
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