Tiefeng Yang
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View article: Optoelectronic synergistic terahertz fiber modulator for free-electron laser compatibility
Optoelectronic synergistic terahertz fiber modulator for free-electron laser compatibility Open
Free-electron laser (FEL) operating in the terahertz (THz) spectral regime has found significant applications in diverse research fields. Nevertheless, fiber-based THz modulators based on FEL systems remain relatively underexplored. This s…
View article: Narrow beam and low-sidelobe two-dimensional beam steering on thin-film lithium niobate optical phased array
Narrow beam and low-sidelobe two-dimensional beam steering on thin-film lithium niobate optical phased array Open
Optical beam steering has become indispensable in free-space optical communications, light detection and ranging (LiDAR), mapping, and projection. Optical phased array (OPA) leads this field, yet conventional versions still suffer from a n…
View article: Tunable optoelectronic memristor based on MoS2/BaTiO3 for neuromorphic vision
Tunable optoelectronic memristor based on MoS2/BaTiO3 for neuromorphic vision Open
View article: Electrically tunable plasmonic meta-grating on thin film lithium niobate
Electrically tunable plasmonic meta-grating on thin film lithium niobate Open
Leveraging lithium niobate's electro-optic properties, bound states in the continuum (BICs) offer promising advancements for low-power, high-performance photonic devices. In this study, we present a novel spatial light modulator based on a…
View article: Thermo-optic tuning of quasi bound state in continuum in lithium niobate thin film hetero-nanograting
Thermo-optic tuning of quasi bound state in continuum in lithium niobate thin film hetero-nanograting Open
Lithium niobate (LN) is difficult to etch precisely due to its stable physical and chemical properties. In recent years, more and more research has focused on etchless thin film lithium niobate (TFLN). Here, a one-dimensional SiO 2 nanogra…
View article: Enhanced Photon-Pair Generation Based on Thin-Film Lithium Niobate Doubly Resonant Photonic Crystal Cavity
Enhanced Photon-Pair Generation Based on Thin-Film Lithium Niobate Doubly Resonant Photonic Crystal Cavity Open
In this work, a doubly resonant photonic crystal (PhC) cavity is proposed to enhance second harmonic generation (SHG) efficiency and photon pair generation rate (PGR). Through the exploration of geometry parameters, a band-edge mode within…
View article: Efficient second-harmonic generation of quasi-bound states in the continuum in lithium niobate thin film enhanced by Bloch surface waves
Efficient second-harmonic generation of quasi-bound states in the continuum in lithium niobate thin film enhanced by Bloch surface waves Open
Nonlinear optics has generated a wide range of applications in the fields of optical communications, biomedicine, and materials science, with nonlinear conversion efficiency serving as a vital metric for its progress. However, the weak non…
View article: Vis-Infrared Wide-Band and Self-Powered Photodetectors Base on Cui/Mos2 Van Der Waals Heterostructure
Vis-Infrared Wide-Band and Self-Powered Photodetectors Base on Cui/Mos2 Van Der Waals Heterostructure Open
View article: Van der Waals Integrated LiNbO<sub>3</sub>/WS<sub>2</sub> for High‐Performance UV–Vis–NIR Photodetection (Laser Photonics Rev. 17(10)/2023)
Van der Waals Integrated LiNbO<sub>3</sub>/WS<sub>2</sub> for High‐Performance UV–Vis–NIR Photodetection (Laser Photonics Rev. 17(10)/2023) Open
Van der Waals Integrated LiNbO3/WS2 for High-Performance UV–Vis–NIR Photodetection In article number 2300286, Heyuan Guan, Tiefeng Yang, Huihui Lu, and colleagues propose a LiNbO3/WS2 hetero-integrated architecture, optimize the light-to-e…
View article: TE/TM mode electro-optic conversion based on titanium diffusion lithium niobate waveguide with polarization-maintained fiber structure
TE/TM mode electro-optic conversion based on titanium diffusion lithium niobate waveguide with polarization-maintained fiber structure Open
For the development of photonic integrated circuits and lithium niobate (LiNbO3, LN) optical waveguide technology, the implementations and applications of polarization devices based on LN is also becoming more widespread, where titanium (T…
View article: Versatile Tunning of Compact Microring Waveguide Resonator Based on Lithium Niobate Thin Films
Versatile Tunning of Compact Microring Waveguide Resonator Based on Lithium Niobate Thin Films Open
With the advancement of modulation technology and the requirement for device miniaturization and integration, lithium niobate on insulator (LNOI) can be a versatile platform for this pursuit, as it can confine the transmitted light at the …
View article: Controlled Adhesion of Ice—Toward Ultraclean 2D Materials (Adv. Mater. 14/2023)
Controlled Adhesion of Ice—Toward Ultraclean 2D Materials (Adv. Mater. 14/2023) Open
2D Materials It highlights the remarkable technological advances achieved in this work, that ice can be used to transfer 2D materials, yielding ultraclean and ultra-uniform products. Compared to the traditional poly(methyl methacrylate) (P…
View article: Design of Optical Phased Array with Low-Sidelobe Beam Steering in Thin Film Lithium Niobate
Design of Optical Phased Array with Low-Sidelobe Beam Steering in Thin Film Lithium Niobate Open
View article: Broadband, Polarization-Sensitive, and Self-Powered High-Performance Photodetection of Hetero-Integrated MoS <sub>2</sub> on Lithium Niobate
Broadband, Polarization-Sensitive, and Self-Powered High-Performance Photodetection of Hetero-Integrated MoS <sub>2</sub> on Lithium Niobate Open
High-performance photodetectors hold promising potential in optical communication and imaging systems. However, conventional counterparts are suffering narrow detection range, high power consumption, and poor polarization sensitivity. Char…
View article: Directional Bloch surface wave coupling enabled by magnetic spin-momentum locking of light
Directional Bloch surface wave coupling enabled by magnetic spin-momentum locking of light Open
We achieve a directional nano-routing of BSWs with circularly polarized illumination. Such a directional coupling phenomenon is proved to be solely mediated by the optical magnetic field.
View article: Phase and polarization modulation in two-dimensional In <sub>2</sub> Se <sub>3</sub> via in situ transmission electron microscopy
Phase and polarization modulation in two-dimensional In <sub>2</sub> Se <sub>3</sub> via in situ transmission electron microscopy Open
Phase transitions in two-dimensional (2D) materials promise reversible modulation of material physical and chemical properties in a wide range of applications. 2D van der Waals layered In 2 Se 3 with bistable out-of-plane ferroelectric (FE…
View article: Direct Vapor Growth of 2D Vertical Heterostructures with Tunable Band Alignments and Interfacial Charge Transfer Behaviors
Direct Vapor Growth of 2D Vertical Heterostructures with Tunable Band Alignments and Interfacial Charge Transfer Behaviors Open
2D vertical van der Waals (vdW) heterostructures with atomically sharp interfaces have attracted tremendous interest in 2D photonic and optoelectronic applications. Band alignment engineering in 2D heterostructures provides a perfect platf…
View article: Van der Waals epitaxial growth and optoelectronics of large-scale WSe2/SnS2 vertical bilayer p–n junctions
Van der Waals epitaxial growth and optoelectronics of large-scale WSe2/SnS2 vertical bilayer p–n junctions Open
High-quality two-dimensional atomic layered p–n heterostructures are essential for high-performance integrated optoelectronics. The studies to date have been largely limited to exfoliated and restacked flakes, and the controlled growth of …