Lossless Phase‐Change Material Enabled Wideband High‐Efficiency Spatial Light Phase Modulation at Near‐Infrared
Yu‐Ru Li,
Yan Li,
Siqing Zeng
et al.
Abstract:High‐efficiency spatial light phase modulation with wide operating bandwidth is highly significant yet challenging. Dynamic metasurfaces leveraging active materials with tunable optical response provide a promising solution. Current work is generally confronted with restricted operation bandwidth and diminished modulation efficiency, constrained by the limited tunable range and inherent absorption of active materials particular at optical frequency. Recently, the emergence of lossless phase‐change material Sb2… Show more
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