40.3: Fast Fringe‐field‐effect Free Continuous 2.25π Phase Modulation Based on Non‐linear Kerr Effect of Vertical Aligned Deformed Helix Ferroelectric Liquid Crystal. - Yuan, Zheng-Nan; Sun, Zhi-Bo; Yu, Xin-Yi; Cheng, Ming; Cheng, Yue-chu; Li, An-ran; Vashchenko, Valerii; Kwok, Hoi-Sing; Srivastava, Abhishek K. (SID Symposium Digest of Technical Papers, 2022)