Multimode dynamics of a monolithically integrated, tunable, bidirectional, gain switched optical comb source [0.03%]
单片集成可调双向增益开关光学频率梳源的多模动力学特性研究
Odhran Liston,John McCarthy,Diarmuid OSullivan et al.
Odhran Liston et al.
A three-sectioned, bidirectionally coupled, tunable, optical comb source is presented. The photonic integrated circuit (PIC) consists of a gain section, a slotted mirror section and a Fabry-Perot (FP) section. Optical frequency combs (OFCs)...
Disordered gold nanoislands-dielectric-metal plasmon reflector for polarization-sensitive color display, humidity sensor and optical memory [0.03%]
用于偏振敏感彩色显示、湿度传感器和光学存储的无序金纳米岛-介电金属等离激元反射器
Shulei Li,Yatao Zhang,Fu Deng et al.
Shulei Li et al.
The interaction between ultrafast, tightly focused lasers and materials has garnered significant interest owing to its distinctive properties. In this study, we present a versatile methodology for the fabrication of tunable plasmonic nanost...
Daniël W S Cox,Ivo M Vellekoop
Daniël W S Cox
Generation of orthonormal optical fields using phase-only spatial light modulators (SLM) or amplitude-only digital micromirror devices (DMD) is an active and diverse research field, with a wide variety of applications. However, these approa...
Yufei Que,Junzhe Ding,Jie Xie et al.
Yufei Que et al.
Optical information synthesis, which fuses LiDAR and optical cameras, has the potential for highly detailed 3D representations. However, due to the disparity of information density between point clouds and images, conventional matching meth...
Filterless vector light field photodetector based on photonic-electronic co-designed non-Hermitian silicon nanostructures [0.03%]
基于光电子协同设计非厄米硅纳米结构的无滤波器矢量光场光电探测器
Wenjiang Liang,Zhijie Cao,Siwei Sun et al.
Wenjiang Liang et al.
Recent advances in near-field interference detection, inspired by the non-Hermitian coupling-induced directional sensing of Ormia ochracea, have demonstrated the potential of paired semiconductor nanowires for compact light field detection ...
Thulium doped all-fiber laser based on a double-cladding Bragg grating via femtosecond laser plane-by-plane writing technology [0.03%]
基于飞秒激光逐层写入的双包层布拉格光栅的掺铥全光纤激光器
Yuehong Zhu,Zixiao Miao,Zhujing Wu et al.
Yuehong Zhu et al.
The fiber Bragg grating (FBG) is fabricated by the femtosecond laser writing technique with a plane-by-plane (Pl-by-Pl) method in the double-cladding fiber (DCF). The refractive index modified (RIM) region formed by this method is 12 μm ×...
Centroid shifts of spatiotemporal vortex pulses reflected and refracted on graphene [0.03%]
石墨烯反射和折射的时空涡旋脉冲质心偏移
Zhenzhou Cao,Xuejun Qiu,Jin Hou et al.
Zhenzhou Cao et al.
The Goos-Hänchen and Imbert-Fedorov shifts are significant wave phenomena, yet the underlying mechanism governing the spatiotemporal vortex pulses reflected and refracted on graphene remains opaque. In this study, we analytically derive th...
Accurate deep learning based method for real-time directly modulated laser modeling [0.03%]
基于深度学习的实时直调激光建模精确方法
Qifan Zhang,Shi Jia,Tianhao Zhang et al.
Qifan Zhang et al.
Rate equations and numerical simulations relying on complex mathematical and physical principles are typically used to model directly modulated lasers (DMLs) but have difficulty simulating dynamic DML behavior in real-time under varying con...
Kezheng Lu,Zhaoyang Li,Yuxin Leng
Kezheng Lu
The space-time wave packet (STWP) is a type of pulsed optical field, exhibiting distinctive characteristics, including the capacity to propagate without diffraction or dispersion and to have arbitrary group velocities. However, the intensit...
Han Su,Huiyong Hu,Yang Qiu et al.
Han Su et al.
Terahertz modulation technology based on programmable metasurfaces can respond in real time to external signals or environmental changes, enabling flexible and adaptive control of terahertz waves. This technology demonstrates significant po...