Shaoliang Yu

Tailoring Capping Layers for Phase‐Change Material Photonics

Jiaxin Zhang, 李振阳 Li Zhenyang, Hao Sun, Jialing Jian et autres

ABSTRACT Spatial‐laser programming of low‐loss Sb 2 Se 3 phase‐change materials (PCMs) offers a flexible route toward pixelated and large‐scale nonvolatile reconfigurability in photonic devices. However, complex laser‐induced dynamics often limit precision control and reproducibility. We systematically investigate how encapsulation architectures, a …

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Scalable Silicon Nitride OPA‐Based Free‐Space Photonic Interface for Chip‐Scale Atomic Magnetometry

Jie Sun, Zhen Hong Chai, Jiaxin Gu, Shaoliang Yu et autres

ABSTRACT Optically pumped atomic magnetometers (AMs) have become powerful tools for biomagnetic sensing owing to their ultrahigh sensitivity. However, their broader deployment increasingly requires compact, scalable, and low‐cost free‐space photonic interfaces capable of delivering high quality beams for light‐atom interaction. Here, we …

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Full-band high-speed arbitrary polarization manipulation leveraged by anisotropic electro-optic modulation in thin-film lithium niobate

Renyou Ge, Yannong Luo, Shaoliang Yu, Meiyan Wu et autres

Polarization controller (PC) serves as a critical component for manipulating the polarization state of light and holds great significance in both classical and quantum communication systems. Anisotropic electro-optic (EO) modulation in thin-film lithium niobate provides a new avenue for realizing high-speed PCs. …

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Monolithic SiN/Si Photonic Integrated Circuit for Polarization-Insensitive and Low-Thermal-Sensitivity CWDM Receivers

Yan Zhang, Zhuo Cheng, Bowen Zhang, Maojing Hou et autres

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Suspended waveguide-enhanced near-infrared photothermal spectroscopy for ppb-level molecular gas sensing on a chalcogenide chip

Kaiyuan Zheng, Hanyu Liao, Fengbo Han, Xueying Wang et autres

On-chip waveguide sensors have attracted significant attention recently due to their potential for high level integration. However, so far on-chip gas sensing based on traditional laser absorption spectroscopy has demonstrated low detection sensitivity, due to weak light-gas interaction over a limited interaction …

Silicon Perfectly-Vertical Polarization Diversity Grating Coupler With Near-Zero Polarization Dependent Loss

Yannong Luo, Meiyan Wu, Bigeng Chen, Shaoliang Yu et autres

Polarization diversity grating couplers (PDGCs) are fundamental components in photonic integrated circuits for polarization manipulation or multiplexing. However, the polarization dependent loss (PDL) is inherent in off-vertical fiber coupling. Additionally, there is an urgent demand for PDGCs with surface-normal emission to interface …

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Optical Full Adder Based on Integrated Diffractive Neural Network

Chenchen Deng, Yilong Wang, Guangpu Li, Jiyuan Zheng et autres

Light has been intensively investigated as a computing medium due to its high-speed propagation and large operation bandwidth. Since the invention of the first laser in 1960, the development of optical computing technologies has presented both challenges and opportunities. Recent advances in …

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Symbiotic evolution of photonics and artificial intelligence: a comprehensive review

Feng Fu, Ziyang Zhang, Yijie Lou, Shengyao Wang et autres

The rapid advancement of artificial intelligence (AI) has significantly impacted photonics, creating a symbiotic relationship that accelerates the development and applications of both fields. From the perspective of AI aiding photonics, deep-learning methods and various intelligent algorithms have been developed for designing …

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Advancing 3D direct-laser writing: leveraging optical metalenses for enhanced two-photon polymerization

Luigi Ranno, Fan Yang, Hung‐I Lin, André L. S. Romero et autres

Reuse and Blend: A Weight-Sharing Energy-Efficient Optical Neural Network

Yuetong Fang, Shaoliang Yu, Renjing Xu

Optical neural networks (ONN) based on micro-ring resonators (MRR) have emerged as a promising alternative to significantly accelerating the massive matrix-vector multiplication (MVM) operations in artificial intelligence (AI) applications. However, the limited scale of MRR arrays presents a challenge for AI acceleration. …

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Hybrid Integrated Arbitrary-Polarized Pulsed Laser with Ultra-High Intensity- and Polarization-Extinction-Ratio

Renyou Ge, Bigeng Chen, Yuan Shen, Yannong Luo et autres

This paper presents a hybrid integrated arbitrary-polarized pulsed laser with ultra-high intensity-and polarization-extinction-ratio. Linewidth of the laser is 610Hz, extinction ratio of pulse modulation and polarization manipulation is 54dB and 42dB, respectively.

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Optical Micro/Nanofiber Enabled Multiaxial Force Sensor for Tactile Visualization and Human–Machine Interface

Yu Xie, Jing Pan, Longteng Yu, Hubiao Fang et autres

Abstract Tactile sensors with capability of multiaxial force perception play a vital role in robotics and human–machine interfaces. Flexible optical waveguide sensors have been an emerging paradigm in tactile sensing due to their high sensitivity, fast response, and antielectromagnetic interference. Herein, a …

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