Explanipedia

Fiber-to-chip grating coupler on 4H-silicon-carbide-on-insulator platform with high-efficiency Open

Can Tao, Bingcheng Yang, Shuting Kang, Ailun Yi, Rui Ma , et al. · 2025

A fiber-to-chip grating coupler for transverse electric (TE) polarization was demonstrated on the emerging 4H-silicon-carbide-on-insulator (4H-SiCOI) platform, with the advantages of high coupling efficiency, low back-reflection to the wav…

Deterministic and Scalable Coupling of Single 4H-SiC Spin Defects into Bullseye Cavities Open

Tongyuan Bao, Qi Luo, Ailun Yi, Yingjie Li, Haibo Hu , et al. · 2025

Silicon carbide (SiC) has attracted significant attention as a promising quantum material due to its ability to host long-lived, optically addressable color centers with solid-state photonic interfaces. The CMOS compatibility of 4H-SiCOI (…

Strain Enhanced Spin Readout Contrast in Silicon Carbide Membranes Open

Haibo Hu, Guodong Bian, Ailun Yi, Chengwen Jiang, Junhua Tan , et al. · 2025

Quantum defects in solids have emerged as a transformative platform for advancing quantum technologies. A key requirement for these applications is achieving high-fidelity single-spin readout, particularly at room temperature for quantum b…

A hybrid single quantum dot coupled cavity on a CMOS-compatible SiC photonic chip for Purcell-enhanced deterministic single-photon emission Open

Yifan Zhu, Runze Liu, Ailun Yi, Xudong Wang, Yuanhao Qin , et al. · 2025

Stable Soliton Microcomb Generation in X-cut Lithium Tantalate via Thermal-Assisted Photorefractive Suppression Open

Jiachen Cai, Shuai Wan, Bowen Chen, Jin Li, Xuqiang Wang , et al. · 2025

Chip-based soliton frequency microcombs combine compact size, broad bandwidth, and high coherence, presenting a promising solution for integrated optical telecommunications, precision sensing, and spectroscopy. Recent progress in ferroelec…

Fabrication of 4-Inch Single-Crystalline Inp Thin Film on Si Substrate by Ion-Cutting Technique with Wafer Bonding at Elevated Temperature Open

Liang Tian, Hao Yu, Shujie Wang, Jialiang Sun, Jiajie Lin , et al. · 2025

Room-temperature waveguide integrated quantum register in a semiconductor photonic platform Open

Haibo Hu, Yu Zhou, Ailun Yi, Tongyuan Bao, Chengying Liu , et al. · 2024

Quantum photonic integrated circuits are reshaping quantum networks and sensing by providing compact, efficient platforms for practical quantum applications. Despite continuous breakthroughs, integrating entangled registers into photonic d…

Wafer-scale fabrication of single-crystalline calcium fluoride thin-film on insulator by ion-cutting Open

Qi Song, Jiachen Cai, Chengli Wang, Liping Zhou, Yang Chen , et al. · 2024

Developing bulk materials into thin-films not only enables multiple physical fields to interact strongly within a smaller volume but also enhances the stability, scalability, and integrability of the system. This transformation has been wi…

Current transport mechanism of lateral Schottky barrier diodes on β-Ga2O3/SiC structure with atomic level interface Open

Wenhui Xu, Zhenghao Shen, Zhenyu Qu, Tiancheng Zhao, Ailun Yi , et al. · 2024

Heterogeneous integration of β-Ga2O3 on highly thermal conductive SiC substrate by the ion-cutting technique is an effective solution to break the heat-dissipation bottleneck of β-Ga2O3 power electronics. In order to acquire high-quality β…

Wafer-Scale Fabrication of Single-Crystalline Calcium Fluoride Thin-Film on Insulator by Ion-Cutting Open

Qi Song, Jianxin Cai, Chengli Wang, Liping Zhou, Yang Chen , et al. · 2024

Room-Temperature entangled quantum processor on integrated semiconductor photonics platform Open

Haibo Hu, Zhou Yu, Ailun Yi, Tongyuan Bao, Chengying Liu , et al. · 2023

The rise of the 4H-silicon-carbide-on-insulator (SiCOI) platform marks a promising pathway towards the realization of monolithic quantum photonic networks. However, the challenge of establishing room-temperature entangled registers on thes…

Superconducting nanowire single photon detector on 4H-SiC substrates with saturated quantum efficiency Open

Mengting Si, Liping Zhou, Wei Peng, Xingyu Zhang, Ailun Yi , et al. · 2023

On-chip single photon detection is crucial for implementing on-chip quantum communication, quantum simulation, and calculation. Superconducting nanowire single-photon detectors (SNSPDs) have become one of the essential techniques to achiev…

Effect of Amorphous Layer at the Heterogeneous Interface on the Device Performance of β-Ga2O3/Si Schottky Barrier Diodes Open

Zhenyu Qu, Wenhui Xu, Tiangui You, Zhenghao Shen, Tiancheng Zhao , et al. · 2023

Heterogeneous integration of -Ga2O3 with Si substrate is considered as an effective and low-cost technology for the thermal management of -Ga2O3 electrical devices. In this work, an isotype heterojunction of n-Ga2O3/n+-Si (Ga2O3/Si) was fa…

Soliton formation and spectral translation into visible on CMOS-compatible 4H-silicon-carbide-on-insulator platform Open

Chengli Wang, Jin Li, Ailun Yi, Zhiwei Fang, Liping Zhou , et al. · 2022

Silicon carbide for integrated photonics Open

Ailun Yi, Chengli Wang, Liping Zhou, Yifan Zhu, Shibin Zhang , et al. · 2022

Photonic integrated circuits (PICs) based on lithographically patterned waveguides provide a scalable approach for manipulating photonic bits, enabling seminal demonstrations of a wide range of photonic technologies with desired complexity…

Hybrid integration of deterministic quantum dots-based single-photon sources with CMOS-compatible silicon carbide photonics Open

Yifan Zhu, Wenqi Wei, Ailun Yi, Tingting Jin, Chen Shen , et al. · 2022

Thin film 4H-silicon carbide (4H-SiC) is emerging as a contender for realizing large-scale optical quantum circuits due to its high CMOS technology compatibility and large optical nonlinearities. Though, challenges remain in producing wafe…

Silicon carbide for integrated photonics Open

Ailun Yi, Chengli Wang, Liping Zhou, Min Zhou, Shibin Zhang , et al. · 2022

The recent progress in chip-scale integrated photonics has stimulated the rapid development of material platforms with desired optical properties. Among the different material platforms that are currently investigated, the third-generation…

Thermal oxidation assisted chemical mechanical polishing for low-loss 4H-SiC integrated photonic devices Open

Xiaodong Shi, Weichen Fan, Ailun Yi, Xin Ou, Karsten Rottwitt , et al. · 2021

Contribution to conference. Abstract from the 47^th Micro and Nano Engineering Conference 2021, Turin, 20/09/2021 - 23/09/2021.

Thermal Behaviors and Optical Parametric Oscillation in 4H‐Silicon Carbide Integrated Platforms Open

Xiaodong Shi, Weichen Fan, A. K. Hansen, Mingjun Chi, Ailun Yi , et al. · 2021

4H‐silicon carbide (SiC) integrated platforms have shown great potential in quantum and nonlinear photonics. However, the thermal properties of 4H‐SiC waveguides are still unknown, even though thermo‐optic effects can play an important rol…

High-Q microresonators on 4H-silicon-carbide-on-insulator platform for nonlinear photonics Open

Chengli Wang, Zhiwei Fang, Ailun Yi, Bingcheng Yang, Zhe Wang , et al. · 2021

Polarization and spatial mode dependent four-wave mixing in a 4H-silicon carbide microring resonator Open

Xiaodong Shi, Weichen Fan, Yaoqin Lu, A. K. Hansen, Mingjun Chi , et al. · 2021

We report four-wave mixing with different polarization and spatial modes in a single 4H-silicon carbide photonic device. Our device shows great potential to perform high-dimensional multiplexing for optical communication and high-dimension…

An Ultrahigh-Q Microresonator on 4H-silicon-carbide-on-insulator Platform for Multiple Harmonics, Cascaded Raman Lasing and Kerr Comb Generations Open

Chengli Wang, Zhiwei Fang, Ailun Yi, Bingcheng Yang, Zhe Wang , et al. · 2021

The realization of ultrahigh quality (Q) resonators regardless of the underpinning material platforms has been a ceaseless pursuit, because the high Q resonators provide an extreme environment of storage of light to enable observations of …

Nano-engineering unlocks the potential of SiC for photonics Open

Haiyan Ou, Xiaodong Shi, Yi Zheng, Ailun Yi, Weichen Fan , et al. · 2021

Room-temperature coherent control of implanted defect spins in silicon carbide Open

Fei-Fei Yan, Ailun Yi, Junfeng Wang, Qiang Li, Pei Yu , et al. · 2020

Recently, vacancy-related spin defects in silicon carbide (SiC) have been demonstrated to be potentially suitable for versatile quantum interface building and scalable quantum network construction. Significant efforts have been undertaken …

Room-temperature coherent control of implanted defect spins in silicon carbide Open

Fei‐Fei Yan, Ailun Yi, Junfeng Wang, Qiang Li, Pei Yu , et al. · 2020

Recently, vacancy-related spin defects in silicon carbide (SiC) have been demonstrated to be potentially suitable for versatile quantum interface building and scalable quantum network construction. Significant efforts have been undertaken …

Engineering of self-rectifying filamentary resistive switching in LiNbO3 single crystalline thin film via strain doping Open

Tiangui You, Kai Huang, Xiaomeng Zhao, Ailun Yi, Chen Chen , et al. · 2019

Comparative study of the ion-slicing mechanism of Y-cut LiNbO3 Open

Kai Huang, Zhongxu Li, Youquan Yan, Xiaomeng Zhao, Wenqin Li , et al. · 2019

Ion-cutting of piezoelectric LiNbO3 (LN) thin film provides a material platform for the design and fabrication of novel integrated photonics and RF MEMS devices. In this paper, the ion-slicing mechanisms of He-implanted LN with different o…

High-quality factor, high-confinement microring resonators in 4H-silicon carbide-on-insulator Open

Yi Zheng, Minhao Pu, Ailun Yi, Bingdong Chang, Tiangui You , et al. · 2019

Silicon carbide (SiC) exhibits promising material properties for nonlinear integrated optics. We report on a SiC-on-insulator platform based on crystalline 4H-SiC and demonstrate high-confinement SiC microring resonators with sub-micron wa…

Silicon-on-insulator with hybrid orientations for heterogeneous integration of GaN on Si (100) substrate Open

Runchun Zhang, Beiji Zhao, Kai Huang, Tiangui You, Qi Jia , et al. · 2018

Heterogeneous integration of materials pave a new way for the development of the microsystem with miniaturization and complex functionalities. Two types of hybrid silicon on insulator (SOI) structures, i.e., Si (100)-on-Si (111) and Si (11…

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