Author Affiliations
Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China.
Recent advancements in photonic bound states in the continuum (BICs) have opened up exciting new possibilities for the design of optoelectronic devices with improved performance. In this perspective article, we provide an overview of recent progress in photonic BICs based on metamaterials and photonic crystals, focusing on both the underlying physics and their practical applications. The first part of this article introduces 2 different interpretations of BICs, based on far-field interference of multipoles and near-field analysis of topological charges. We then discuss recent research on manipulating the far-field radiation properties of BICs through engineering topological charges. The second part of the article summarizes recent developments in the applications of BICs, including chiral light and vortex beam generation, nonlinear optical frequency conversion, sensors, and nanolasers. Finally, we conclude with a discussion of the potential of photonic BICs to advance terahertz applications in areas such as generation and detection, modulation, sensing, and isolation. We believe that continued research in this area will lead to exciting new advancements in optoelectronics, particularly in the field of terahertz devices.
Ultrafast Science
2023, 3(1): 0033
Author Affiliations
Bound states in the continuum (BICs) have exhibited extraordinary properties in photonics for enhanced light-matter interactions that enable appealing applications in nonlinear optics, biosensors, and ultrafast optical switches. The most common strategy to apply BICs in a metasurface is by breaking symmetry of resonators in the uniform array that leaks the otherwise uncoupled mode to free space and exhibits an inverse quadratic relationship between quality factor (Q) and asymmetry. Here, we propose a scheme to further reduce scattering losses and improve the robustness of symmetry-protected BICs by decreasing the radiation density with a hybrid BIC lattice. We observe a significant increase of radiative Q in the hybrid lattice compared to the uniform lattice with a factor larger than 14.6. In the hybrid BIC lattice, modes are transferred to Г point inherited from high symmetric X, Y, and M points in the Brillouin zone that reveal as multiple Fano resonances in the far field and would find applications in hyperspectral sensing. This work initiates a novel and generalized path toward reducing scattering losses and improving the robustness of BICs in terms of lattice engineering that would release the rigid requirements of fabrication accuracy and benefit applications of photonics and optoelectronic devices.
bound states in the continuum metasurfaces terahertz photonics radiative losses Fano resonances 
Opto-Electronic Science
2023, 2(4): 230006
Author Affiliations
1 State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China
2 Key Laboratory of Semiconductor Material Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
3 School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
We propose an integrated W-band transmitter enabled by an integrated dual-mode distributed feedback (DFB) laser and cascaded silicon photonic microring modulators for next-generation wireless communication. 10 Gb/s error-free intensity modulation and direct detection W-band transmission are achieved in experiments by using the dual-mode DFB laser and two free-running lasers. Moreover, we conduct an experiment of dual-carrier modulation based on cascaded microring modulators, achieving 3 dB signal-to-noise ratio improvement and better signaling integrity for wireless communication. The proposed photonic integrated W-band transmitter will be a viable solution for a high-speed and low-power wireless communication system.
Photonics Research
2023, 11(8): 1431
1 乌鲁木齐城市轨道集团有限公司,新疆 乌鲁木齐 830000
2 新疆工程学院,新疆 乌鲁木齐 830000
3 汇翔激光科技有限公司,新疆 乌鲁木齐 830000
激光熔覆 细长轴 变形 轨迹优化 圆跳动 laser cladding slender shaft deformation trajectory optimization circular runout 
2022, 42(5): 31
刘宇翔 1,2,3张瑞康 1,2,3王欢 1,2,3陆丹 1,2,3,*赵玲娟 1,2,3
1 中国科学院半导体研究所 材料重点实验室,北京 100083
2 中国科学院大学 材料与光电研究中心,北京 100049
3 低维半导体材料与器件北京市重点实验室,北京 100083
针对高速光采样、光频梳以及光通信系统应用,研制了1.5 μm波段高重频超短脉冲输出半导体锁模激光器。基于AlGaInAs/InP材料体系,采用两段式单片集成锁模结构,引入稀释波导结构,综合降低光限制因子、提升材料饱和能量、降低腔内损耗,从而降低有源区色散对脉冲的影响并提升脉冲峰值功率,最终在1.5 μm波段实现了重复频率24.3 GHz、脉冲宽度680 fs的亚皮秒光脉冲输出,脉冲光谱宽度为7.2 nm,脉冲峰值能量为525 mW。
半导体激光器 锁模激光器 单片集成 超短脉冲 稀释波导 Semiconductor lasers Mode-locked lasers Monolithic integrated circuit Ultra-short pulse Dilution waveguide 
2022, 51(2): 0251211
Author Affiliations
1 Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, Ontario, Canada
3 School of Information Science and Engineering, Shandong University, Jinan 250100, China
4 University of Electronic Science and Technology, Chengdu 610054, China
5 QXP Technologies Inc., Xi’an 710117, China
Journal of Semiconductors
2021, 42(4): 040101
陆丹 1,2,3杨秋露 1,2,3王皓 1,2,3贺一鸣 1,2,3[ ... ]王圩 1,2,3
1 中国科学院半导体研究所半导体材料科学重点实验室, 北京 100083
2 中国科学院大学材料与光电研究中心, 北京 100049
3 低维半导体材料与器件北京市重点实验室, 北京 100083
激光器 半导体分布反馈激光器 高速直调激光器 大功率激光器 窄线宽激光器 低相对强度噪声激光器 
2020, 47(7): 0701001
王皓 1,2,3,**张瑞康 1,2,3,*陆丹 1,2,3王宝军 1,2,3[ ... ]赵玲娟 1,2,3
1 中国科学院半导体研究所半导体材料科学重点实验室, 北京 100083
2 低维半导体材料与器件北京市重点实验室, 北京 100083
3 中国科学院大学材料与光电研究中心, 北京 100049
提出一种基于AlGaInAs材料的1.55-μm波段的大功率、高速直调分布反馈(DFB)激光器阵列。采用具有良好温度特性和高微分增益的AlGaInAs材料作为量子阱和波导层以实现大功率与高带宽的输出;引入稀释波导结构来减小有源区内部损耗,同时降低远场发散角;采用悬浮光栅并优化耦合系数以实现大注入电流下的单模稳定工作。最终实现了1.5-μm波段5波长的大功率直调激光器阵列,阵列波长间隔约为5 nm,室温连续波(CW)工作时各通道输出光功率均大于100 mW,单通道最大输出光功率为160 mW,500 mA工作电流范围内边模抑制比大于55 dB,小信号调制带宽可达7 GHz,激光器最小线宽为520 kHz,相对强度噪声低于-145 dB/Hz。
激光器 1.55-μm 直调激光器; 大功率 高带宽 激光器阵列 
2019, 39(9): 0914001
Huan Wang 1,2,3Lu Guo 1,2,3Wu Zhao 1,2,3Guangcan Chen 1,2,3[ ... ]Lingjuan Zhao 1,2,3
Author Affiliations
1 Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
2 Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
3 Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Beijing 100083, China
We report a distributed-Bragg-reflectors-based 4 × 40 GHz mode-locked laser diode (MLLD) array monolithically integrated with a multimode interference (MMI) combiner. The laser produces 2.98 ps pulses with a time-bandwidth product of 0.39. The peak wavelength of the MLLD array can be tuned by 8.4 nm while maintaining a good mode-locked state. The four mode-locked channels could work simultaneously with the peak wavelength interval around 3 nm.
140.5960 Semiconductor lasers 140.4050 Mode-locked lasers 
Chinese Optics Letters
2019, 17(11): 111402
南开大学现代光学研究所, 天津 300071
基于飞秒激光光丝阵列,从实验上实现了太赫兹(THz)辐射的增强。结果表明,使用阶跃型相位板产生光丝阵列,在相同飞秒脉冲能量下,相比于单光丝情况,光丝阵列辐射THz信号强度被增强,且THz信号强度与光丝数目成正比。当入射能量为5.8 mJ时,8根光丝时辐射的THz能量为31.73 nJ,辐射效率为5.47×10 -6。所提方法有望解决飞秒激光辐射THz过程中的能量饱和问题。
超快非线性光学 激光成丝 等离子体 太赫兹 
2019, 46(6): 0614021

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。