ArticleNanophotonics (Berlin, Germany)2024
Fast-speed and low-power-consumption optical phased array based on lithium niobate waveguides.
Article in Nanophotonics (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Optical Phased Arrays on Photonic Integrated Circuit Platforms: Challenges, Opportunities, and Future Applications.Nanophotonics (Berlin, Germany) · 2026Review
- Shape-optimized metasurface beamformer for high-efficiency full-duplex optical wireless communications across an ultra-wide field-of-view.Nature communications · 2026Article
- Multi-target and ultra-high-speed optical wireless communication using a thin-film lithium niobate optical phased array.Nature communications · 2025Article
- Reconfigurable on-chip optical wireless switches on SiN-TFLN hybrid platform.Scientific reports · 2025Article
- On-Chip OPA: Progress and Prospects in Liquid Crystal, Lithium Niobate, and Silicon Material Platforms.Nanomaterials (Basel, Switzerland) · 2025Review
- Frequency modulated continuous wave LiDAR with expanded field-of-view based on polarization-splitting metasurface.Nanophotonics (Berlin, Germany) · 2025Article
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Authors and funding
12 authors.
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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 successfully demonstrated integrated OPAs with multiple waveguides channels based on thin-film lithium niobate-on-insulator (LNOI) platform. Specifically, two lithium niobate (LN) OPA chips have been implemented with 32 and 48 channels LN waveguides, respectively, enabled by electro-optic modulations, which showcases the low power consumption (1.11 nJ/π) and fast operation speed (14.4 ns), showing obvious advantage of the LNOI platform over others. As results, we experimentally achieved a beam steering with a 62.2° × 8.8° field of view (FOV) and a beam divergence of 2.4° × 1.2° for 32 channels, and a FOV of 40° × 8.8° and a beam divergence of 0.33° × 1.8° for 48 channels. This work also demonstrates the feasibility of LNOI platform in scalable OPA chips.
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