Magnetically controlled optical modulator based on coherent perfect absorption in NV centers [0.03%]
基于NV中心相干完全吸收的磁控光学调制器
Ming-Feng Jiao,Chang-Shui Yu
Ming-Feng Jiao
We design an optical modulator based on an optical resonant cavity that coherently couples to an ensemble of nitrogen-vacancy (NV) centers, controlled by an external magnetic field. We reveal the coherent perfect absorption (CPA) of photons...
Burst delay line for generating ultrashort pulse bursts with interval tunability from femtoseconds to nanoseconds [0.03%]
一种可调间隔飞秒-纳米脉冲串的超短激光脉冲发生器
Keitaro Shimada,Vasileios Korakis,Jose Chirinos et al.
Keitaro Shimada et al.
Ultrashort burst laser pulses are important for applications in laser processing and spectroscopy. However, existing burst generators face limitations in pulse time interval tunability and coaxiality. Here, we present a burst pulse generato...
Lucas Alves Zischler,Giammarco Di Sciullo,Divya A Shaji et al.
Lucas Alves Zischler et al.
Spontaneous Raman scattering (SpRS) is a weak nonlinear effect particularly relevant to classical-quantum coexistence transmission and sensing applications. In classical transmission, the relevant Raman effect is stimulated Raman scattering...
Zihao Ni,Ruixin Feng,Kan Xie et al.
Zihao Ni et al.
This Letter presents a multimodal monitoring method based on combined fluorescence-coherence imaging for surface-interior polymer curing. The wavelength-selective absorption of fluorescence speckles is introduced to overcome speckle occlusi...
High-performance self-powered broadband photodetector based on a PtS2/MoSe2 vertical heterostructure [0.03%]
基于PtS2/MoSe2垂直异质结的高性能自驱动宽带光电探测器
Li Ding,Xing Xie,Shaofei Li et al.
Li Ding et al.
Broadband photodetectors that operate across the visible to infrared spectrum are vital for applications in environmental monitoring, biomedicine, remote sensing, imaging, and optical communications. However, most existing devices require e...
Multi-color afterglow phosphor via energy transfer in Sr3In2Ge3O12:Bi3+, Sm3+ for information encryption and anti-counterfeiting [0.03%]
基于能量传递的Sr3In2Ge3O12:Bi3+,Sm3+多色余辉发光粉用于信息加密和防伪
Juan Zhang,Zhijun Wang,Yuying Yang et al.
Juan Zhang et al.
Traditional persistent luminescent materials are facing significant challenges in achieving multi-color anti-counterfeiting and visualization. Here, this study proposes a novel, to the best of our knowledge, multi-mode anti-counterfeiting s...
Resonant SAW-nanofiber acousto-optic coupling for high-sensitivity detection [0.03%]
用于高灵敏度检测的谐振SAW-纳米光纤声光耦合
Gerard Tatel,Xiaoyi Bao
Gerard Tatel
We demonstrate an acousto-optic sensing approach that integrates a dual-core As2Se3 nanofiber interferometer within a surface acoustic wave (SAW) cavity to achieve externally driven intermodal phase modulation distinct from spontaneous forw...
Single-mode generation in the random fiber laser with an embedded microcavity [0.03%]
含嵌入式微腔的随机光纤激光器中的单模生成
D V Kudashkin,O A Gorbunov,I D Vatnik et al.
D V Kudashkin et al.
A random fiber laser with an embedded external microresonator is shown to be capable of narrow-band generation with a stable single spectral line. Generation takes place right above the lasing threshold at a wavelength of about 1.55 µm wit...
Origin of vortex harmonic radiation from indium tin oxide thin films [0.03%]
低温下沉积氧化锡铟薄膜中涡旋调制辐射的起源研究
Lihao Weng,Chaojin Zhang,Tianqi Ruan et al.
Lihao Weng et al.
Vortex harmonic radiation from an indium tin oxide thin film in the epsilon-near-zero (ENZ) regime, driven by an ultrashort ω0 + 3ω0 two-color field, is numerically investigated by solving the full-wave Maxwell equations with a nonlinear ...
160 W direct-emission LG01 vortex beam from a thin-disk laser by synergistic thermal and loss management [0.03%]
一种新型160W直接发射LG01涡旋准直薄盘激光器及其损耗和热联合管理方法
Ranyou Zhao,Xiangyu Ma,Weiting Shen et al.
Ranyou Zhao et al.
We demonstrate the direct generation of a 160 W, high-purity Laguerre-Gaussian vortex beam (LG01) from a Yb:Lu₂O₃ thin-disk laser oscillator. This is achieved through a synergistic thermal and loss management strategy. A strong, pump-indu...