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- W4366999717 abstract "Fast scanning-speed and low-power-consumption are becoming progressively more and more important in realizing high-performance chiplet optical phased arrays (OPAs). Here, we establish an integrated OPA based on thin-film lithium niobate-on-insulator (LNOI) platform to access these outstanding performances. Significantly, a lithium niobate (LN) OPA chip is implemented by 32/48 channels LN waveguides enabled by electro-optic modulations, which showcases the low power consumption (1.11nJ/{pi}}) and fast operation speed (14.4 ns) promising the advantage of the LNOI platform for integrated OPAs. As results, we experimentally achieved a beam steering with a 62.2{deg}*8.8{deg} field of view (FOV) and a beam divergence of 2.4{deg}*1.2{deg}. Moreover, by employing sparse aperiodic arrays in waveguides design we obtained a significant reduction of lateral divergence to 0.33{deg} for the radiation beam. This work demonstrate that remarkable advantage of LNOI platform for power-saving and scalable OPA chips for various applications." @default.
- W4366999717 created "2023-04-27" @default.
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- W4366999717 date "2023-04-23" @default.
- W4366999717 modified "2023-10-16" @default.
- W4366999717 title "Fast-speed and low-power-consumption optical phased array based on thin-film lithium niobate platform" @default.
- W4366999717 doi "https://doi.org/10.48550/arxiv.2304.11591" @default.
- W4366999717 hasPublicationYear "2023" @default.
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