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[2211.00359] Meta-Optics With Lithium Niobate

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Second harmonic generation (SHG) at nanoscales have broad applications in integrated optoelectronic devices. In this paper, we numerically demonstrate highly efficient Here, we have developed a nonlinear metalens utilizing crystallized lithium niobate (LN), a material with a large second-order susceptibility and a broad transparent window. The meta-atoms of the LN Complex polarization states of photon pairs are indispensable in various quantum technologies. Conventional methods for preparing desired two-photon polarization states are

Lithium Niobate Meta-Optics

Lithium niobate photonics: Unlocking the electromagnetic spectrum | Science

Meta-optics is based on subwavelength-patterned surfaces, called metasurfaces, which acquire optical functionalities through the scattering of nanoparticles rather than by Lithium niobate (LiNbO3) has shown great potential for applications in nonlinear metasurfaces, thanks to its large second-order nonlinear coefficients and high integration Our meta-coupler achieved a maximum coupling efficiency of 90% (). The 1-dB bandwidth spans 138 nm (1450–1588 nm), while the 3-dB bandwidth extends over 300 nm (1425–1725 nm), far

However, previous schemes typically required multiplexing two films or two meta-structures with different orientations. Here, we propose a nonlinear metasurface composed of a single silica grating atop a lithium ACS Photonics, volume 9, issue 12, pages 3745-3763 Lithium Niobate Meta-Optics A. A. Fedotova 1, 2 , Luca Carletti 3

In conclusion, lithium niobate continues to stand out as a versatile and vital material in optics and acoustics, with its potential further amplified by ferroelectric domain To date, nonlinear metasurfaces have been mainly realized using narrow band gap semiconductors, large second order susceptibility and with operation limited to the near-infrared range. Nonlinear meta-optics in Here we demonstrate a lithium niobate electro-optic comb-enabled ultrafast absolute distance measurement method — repetition rate-modulated frequency comb (RRMFC).

Freestanding lithium niobate photonic crystal cavities for nonlinear optics applications Vapor-Transport Equilibrated Lightly MgO-Doped Lithium Niobate for Nonlinear

Download Citation | On Mar 20, 2025, Bo Wang and others published Chiral Resonant Modes Induced by Intrinsic Birefringence in Lithium Niobate Metasurfaces | Find, read and cite all the

By leveraging the lithium niobate’s etchless approach, meta-waveguides based on the TFLN platform enable innovative optical mode processing paradigms, significantly For lithium niobate, electro-optics and acousto-optics are the most attractive areas due to the excellent electro-optic, piezoelectric, and photoelastic properties of the material. The

3D ultra-broadband optically dispersive microregions in lithium niobate

Abstract Lithium niobate (LN) metasurfaces exhibit remarkable Pockels effect-driven electro-optic tunability, enabling dynamic control of optical responses through external

Lithium Niobate Meta-Optics | ACS Photonics

Inverse-designed broadband meta-coupler with high efficiency on thin-film lithium niobate Inverse design is gaining momentum in the photonics community, enabling the development of We introduce artificial dispersive microregions in lithium niobate crystals to engineer free-space ultra-broadband optical dispersion. Dynamically reconfigurable metasurfaces promise compact and lightweight spatial light modulation for many applications, including LiDAR, AR/VR, and LiFi systems. Here, we design and computationally investigate

Crystalline lithium niobate (- LN), a prime material of choice in integrated photonics, has shown great promise for future meta-optical components, thanks to its large electro-optical coefficient Lithium niobate (LN) is a material with a wide range of applications in optical and microwave technologies. Conventional LN devices, including fiber-optic modulators and periodically poled

A broadband polycrystalline lithium niobate platform is developed for highly versatile and scalable fabrication of nonlinear metasurfaces. This work demonstrates simultaneous second harmonic generation and wavefront Photonic integration shows great potential for creating high-performance, low-cost, scalable and reliable devices for communication, sensing, computation and processing. 1) Lithium niobate (LN) has been considered one

铌酸锂超构表面：制备及光子学应用

Why Lithium Niobate Makes the Difference The real secret sauce here is lithium niobate. This crystal’s been a favorite in optics for ages, thanks to its high electro-optic Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for decades—from enabling high-speed optical communications that form the backbone of the Request PDF | Polarization-entangled photon pairs from lithium niobate metasurfaces | Flat optics has emerged as a promising platform for ultrathin polarization

Many applications of metasurfaces require an ability to dynamically change their properties in the time domain. Electrical tuning techniques are of particular interest, since they The invention of periodic poling revolutionized nonlinear optics and its commercial applications by enabling robust quasi-phase-matching in crystals such as lithium niobate. This review focuses on x-cut thin-film lithium niobate (TFLN), exploring strategies to mitigate anisotropy and mode hybridization. It covers polarization beam splitters, rotators,

As one of the most versatile and attractive materials for photonics, lithium niobate (LiNbO 3, LN) exhibits exceptional electro-optic, nonlinear-optic, and acousto-optic properties,

Lithium niobate (LN), first synthesized 70 years ago, has been widely used in diverse applications ranging from communications to quantum optics. These high-volume commercial applications 9 issue 12 Mono-drive single-sideband modulation via optical delay lines on thin-film lithium niobate Yikun Chen, Hanke Feng, Zhenzheng Wang, Ke Zhang, Xiangzhi Xie, Yuansong

Abstract Lithium niobate is an excellent and widely used material for nonlinear frequency conversion due to its repetition rate modulated frequency comb strong optical nonlinearity and broad transparency region. Here, we report the fabrication and experimental

Request PDF | On Nov 9, 2022, Anna Fedotova and others published Lithium Niobate Meta-Optics | Find, read and cite all the research you need on ResearchGate Integrated optical phased arrays from enabling high (OPAs) have attracted significant interest to steer laser beams for applications including free-space communications, holography, and light detection and ranging. Although many methods have

Abstract and Figures Leveraging lithium niobate’s electro-optic properties, bound states in the continuum (BICs) offer promising advancements for low-power, high-performance Inverse-designed broadband meta-coupler with high efficiency on thin-film lithium niobate Inverse design is gaining momentum in the photonics community, enabling the development of