Characterization of the spatially anamorphic phenomenon and temporal fluctuations in high-speed, ultra-high pixels-per-inch liquid crystal on silicon phase modulator | Zendy

Jhou-Pu Yang | Zendy; Feng-Ying Wu | Zendy; Pei-Sin Wang | Zendy; Huang-Ming Philip Chen | Zendy

Open Access

Characterization of the spatially anamorphic phenomenon and temporal fluctuations in high-speed, ultra-high pixels-per-inch liquid crystal on silicon phase modulator

Author(s) -

Jhou-Pu Yang,

Feng-Ying Wu,

Pei-Sin Wang,

Huang-Ming Philip Chen

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.032168

Subject(s) - liquid crystal on silicon , optics , pixel , materials science , liquid crystal , phase modulation , birefringence , phase (matter) , flicker , modulation (music) , silicon , spatial light modulator , optoelectronics , physics , phase noise , computer science , quantum mechanics , acoustics , operating system

High-birefringence liquid crystal (LC) in ultrathin LCOS panels was adopted to prepare high phase precision (mSTD =λ/50) and phase accuracy (mAPAE% ∼8%) with suppressed pixel-level crosstalk effects. In conjunction with optimized digital driving scheme, the zero order light loss was found directly related to the phase accuracy error. Meanwhile, the world's fastest pure phase modulation LCOS with a response time of ∼0.87 ms at 45 °C was also achieved. The low-temporal flicker (P-P ∼2.0%) with high-speed LC responses was demonstrated by applying new digital driving scheme. Finally, the 4K2 K LCOS-SLM (∼7000 PPI) was evaluated its difficulties and opportunities.

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