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《 Advanced Photonics》近期论文导读

《 Advanced Photonics》近期论文导读 KiKi闯外贸
2025-10-17
6

1. 基于光致热弹性光谱的绝对气体浓度与温度免校准测量

Calibration-free measurement of absolute gas concentration and temperature via light-induced thermoelastic spectroscopy
Authors: Shunda Qiao, Ziting Lang, Ying He, Xiyang Zhi, Yufei Ma
Date: 2025-10-13
Abstract:
基于石英音叉热弹性效应与全量程光强调制,演示了一种免校准的光诱导热弹性光谱技术,可获取完整气体吸收光谱。无需标定即可反演气体绝对浓度,同时通过单个石英音叉探测两条气体吸收谱线实现温度解析。该系统在激光功率、QTF特性和光路发生变化时仍能准确探测目标,具备小尺寸和波长无关特性,适用于中/远红外微型化应用。

Keywords: 光致热弹性光谱、石英热弹性效应、免校准、石英音叉、气体吸收光谱

Key Words : light-induced thermoelastic spectroscopy, quartz thermoelastic effect, calibration-free, quartz tuning fork, gas absorption spectrum

Link:https://www.researching.cn/articles/OJ83230627a0c4d124

2. 非正交超表面用于通道锁定自旋-轨道跃迁

Non-orthogonal metasurfaces for channel-locked spin-orbital transitions
Authors: Yueyi Yuan, Wenjie Zhou, Ruogu Wang, Yuxiang Wang, Yongkang Dong, Shah Nawaz Burokur, Kuang Zhang
Date: 2025-10-13
Abstract:
采用非正交本征形式体系的超表面实现了通道锁定自旋-轨道态转换,在固定输出自旋态的同时实现多样化轨道角动量模式。该方法实现的轨道角动量模式具有高纯度与高效率特性,并在全偏振照明下展现出鲁棒性。这些研究成果为全斯托克斯光束生成和高性能超偏振器设计提供了解决方案,展现了在无线通信中实现可重构偏振控制的潜力。

Keywords: 自旋轨道相互作用、几何相位超表面、轨道角动量、自旋轨道跃迁、全斯托克斯光束生成

Key Words : Spin-orbital interaction, geometric phase metasurfaces, orbital angular momentum (OAM), spin-orbital transitions, full-Stokes beam generation

Link:https://www.researching.cn/articles/OJ9d862aa5558d5231

3. 光学计算与光信号处理用于时空耦合光通信信道的恢复

Optical computing and optical signal processing for recovery of spatiotemporally coupled optical communications channels
Authors: Jie Liu, Zhenhua Li, Yibin Wan, Jiaqing Li, Siyuan Yu
Date: 2025-10-09
Abstract:
本研究评估了利用光学计算与信号处理技术,以恢复在SDM/MDM系统和存在多径干扰的自由空间光通信中因时空串扰而劣化的信号。探索了两条技术路径:通过光电计算加速线性MIMO数字信号处理或求解物理启发模型,以及采用全光处理技术在光域直接解耦混叠信号。通过严谨的数学分析评估了这些方案的架构效能与可扩展性,从而为未来光通信系统确定具有前景的研究方向。

Keywords: 光计算、光信号处理、空分或模分复用、串扰、多输入多输出数字信号处理

Key Words : optical computing, optical signal processing, space or mode-division multiplexing (SDM/MDM), crosstalk, multi-input multi-output digital signal processing (MIMO DSP)

Link:https://www.researching.cn/articles/OJ6d4d91e1d432e2b7

4. 基于能量-时间纠缠的高速量子网络

High-rate quantum networks with energy-time entanglement
Authors: Yun-Ru Fan, Hong Zeng, Xi-Xian Du, Kai Guo, Xiao-Lin Wang, Yue Luo, You Wang, Hai-Zhi Song, Hao Li, Li-Xing You, Guang-Can Guo, Qiang Zhou
Date: 2025-10-09
Abstract:
一种高速率量子纠缠网络采用宽带高亮度量子光源和灵活波长选择交换,通过BBM92协议在四用户网络中实现了28.19 kbps的密钥生成速率。经过40公里光纤传输后,四用户密钥生成速率保持3.58 kbps,并在250公里距离内维持正值;而六用户网络在无光纤传输和40公里光纤传输条件下分别达到4.21 kbps和0.45 kbps。这些结果表明纠缠型城域与骨干量子通信系统的密钥生成速率获得了实际性提升,并展现出良好的可扩展性。

Keywords: 量子纠缠网络,安全密钥率,波分复用,BBM92协议,量子光子对源

Key Words : Quantum entanglement networks, Secure key rate (SKR), Wavelength-division multiplexing, BBM92 protocol, Quantum photon-pair sources

Link:https://www.researching.cn/articles/OJ6a5bb16b625b98a6

5. 锗离子注入硅波导光电二极管监测器中的宽带亚带隙线性光电探测

Broadband sub-bandgap linear photodetection in Ge+-implanted silicon waveguide photodiode monitors
Authors: Yue Niu, Andrew W. Poon
Date: 2025-10-09
Abstract:
在绝缘体上硅平台上开发了一种锗离子注入硅波导光电二极管,用作通信O波段和C波段的双波段功率监控器。该器件在-3V偏压下实现了124.8 mA·W⁻¹·mm⁻¹(1310 nm波长)和31.2 mA·W⁻¹·mm⁻¹(1550 nm波长)的响应度,暗电流为0.8 nA。该光电二极管表现出<0.012 dB·μm⁻¹的吸收损耗,在<1 mW片上功率时具有98%线性度,其内量子效率比硼离子、磷离子和氩离子注入器件高4.9至16.8倍。

Keywords: 可编程光子学、功率监测器、波导光电二极管、响应度、暗电流

Key Words : programmable photonics, power monitor, waveguide photodiode, responsivity, dark current

Link:https://www.researching.cn/articles/OJdc2d5d331d67064

6. 分而治之:计算成像中的并行处理

Divide and conquer: parallel processing in computational imaging
Authors: David J. Brady
Date: 2025-10-09
Abstract:
阵列相机中的并行处理改善了视场、景深、色彩及偏振采样性能。张等人展示了旨在提升时间灵敏度的相机阵列"SpeedShot"。本综述将SpeedShot的发展置于技术演进脉络中,并展望未来并行相机系统的技术路线图。

Keywords: 并行处理,阵列相机,视场,景深,时间灵敏度

Key Words : Parallel processing, array cameras, field of view, depth of field, temporal sensitivity

Link:https://www.researching.cn/articles/OJc30f3e4f1b17e653

7. 集成光子循环处理器

Integrated photonic recurrent processors
Authors: Yizhi Wang, Lingzhi Luo, Sizhe Xing, Chunhui Yao, Richard Penty, Qixiang Cheng
Date: 2025-10-09
Abstract:
集成光子递归处理器(IPRP)采用片上波导实现直接光信号反馈,通过集成光学延迟内存来规避单次光子计算开销。IPRP依托具有低损耗和高集成密度的光子材料平台实现,既能加速递归算法,又可避免次优的光-电-光转换过程。这类处理器凭借制造工艺、集成度和控制技术的进步,正成为加速具有固有递归特性算法的理想紧凑型能效平台。

Keywords: 光子加速器,集成光子递归处理器(IPRPs),光学延迟存储器,光-电-光转换,传播中计算

Key Words : Photonic accelerators, integrated photonic recurrent processors (IPRPs), optical delay memory, optical–electrical–optical conversion, in-propagation computation

Link:https://www.researching.cn/articles/OJ9c613995b522903d

8. 基于耦合谐振腔光波导的平带高Q值超表面

Flatband high-Q metasurfaces inspired by coupled-resonator optical waveguides
Authors: Kaili Sun, Yangjian Cai, Yuri Kivshar, Zhanghua Han
Date: 2025-10-09
Abstract:
高品质因子非局域超表面由具有周期性破缺平移对称性的弱耦合光波导构成。该超表面物理机制采用耦合谐振腔光波导(CROW)概念,实现了对广入射角谐振光具有均匀响应的光子平带。实验实现获得了单向/双向线偏振平带以及对入射光圆偏振态具有高选择性的手性平带。

Keywords: 非局域超表面、耦合谐振腔光波导、光子平带、各向异性超表面、手性平带

Key Words : nonlocal metasurfaces, coupled-resonator optical waveguides (CROWs), photonic flatbands, anisotropic metasurfaces, chiral flatbands

Link:https://www.researching.cn/articles/OJ5d8f1fede0f3c0a6

(a) 1D array of microcavities supporting the CROW effect. The disks labeled with numbers represent high- resonators, with coupling strength between them that is inversely proportional to the period . (b) Sawtooth-shaped anisotropic metasurface with periodic perturbation along the -direction (top) and the electric field distribution of the supported CROW mode (bottom). Each corrugated waveguide corresponds to one microcavity in panel (a). Panels (c) and (d) present the calculated band structures and corresponding group velocities across the full space for the structure in (b) with , 400, and 850 nm, respectively. represents the resonant wavelength.
Anisotropic high- metasurfaces supporting flatbands, enabling near-unity reflection and polarization conversion for linearly and circularly polarized resonant light (wavelength ), respectively, over a wide range of incident angles. (b) Structure design of various anisotropic metasurfaces, which support the CROW-based flatband responses with different polarization characteristics and flatband dimensions (in particular, inspired by Refs. 32–39" target="_self" style="display: inline;">–39).

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