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  1. Lanthanide-doped upconversion nanoparticles emerged recently as an attractive material platform underpinning a broad range of innovative applications such as optical cryptography, luminescent probes, and lasin...

    Authors: Ziwei Feng, Tan Shi, Guangzhou Geng, Junjie Li, Zi-Lan Deng, Yuri Kivshar and Xiangping Li
    Citation: eLight 2023 3:21
  2. Non-Hermitian systems with their spectral degeneracies known as exceptional points (EPs) have been explored for lasing, controlling light transport, and enhancing a sensor’s response. A ring resonator can be b...

    Authors: Hwaseob Lee, Ali Kecebas, Feifan Wang, Lorry Chang, Sahin K. Özdemir and Tingyi Gu
    Citation: eLight 2023 3:20
  3. Structuring light emission from single-photon emitters (SPEs) in multiple degrees of freedom is of great importance for quantum information processing towards higher dimensions. However, traditional control of...

    Authors: Chi Li, Jaehyuck Jang, Trevon Badloe, Tieshan Yang, Joohoon Kim, Jaekyung Kim, Minh Nguyen, Stefan A. Maier, Junsuk Rho, Haoran Ren and Igor Aharonovich
    Citation: eLight 2023 3:19
  4. Label-free surface-enhanced Raman scattering (SERS) technique with ultra-sensitivity becomes more and more desirable in biomedical analysis, which is yet hindered by inefficient follow-up data analysis. Here w...

    Authors: Shilian Dong, Dong He, Qian Zhang, Chaoning Huang, Zhiheng Hu, Chenyang Zhang, Lei Nie, Kun Wang, Wei Luo, Jing Yu, Bin Tian, Wei Wu, Xu Chen, Fubing Wang, Jing Hu and Xiangheng Xiao
    Citation: eLight 2023 3:17
  5. Recently, it has been demonstrated that thermoviscous flows can be used for a range of fine micromanipulations, such as moving the cytoplasm of cells and developing embryos, intracellular rheology, and femtone...

    Authors: Antonio Minopoli, Susan Wagner, Elena Erben, Weida Liao, Iliya D. Stoev, Eric Lauga and Moritz Kreysing
    Citation: eLight 2023 3:16
  6. Water is an essential component of the Earth’s climate, but monitoring its properties using autonomous underwater sampling robots remains a significant challenge due to lack of underwater geolocalization capab...

    Authors: Xiaoyang Bai, Zuodong Liang, Zhongmin Zhu, Alexander Schwing, David Forsyth and Viktor Gruev
    Citation: eLight 2023 3:15
  7. Polaritons are quasi-particles that combine light with matter, enabling precise control of light at deep subwavelength scales. The excitation and propagation of polaritons are closely linked to the structural ...

    Authors: Caixing Hu, Tian Sun, Ying Zeng, Weiliang Ma, Zhigao Dai, Xiaosheng Yang, Xinliang Zhang and Peining Li
    Citation: eLight 2023 3:14
  8. Endoscopes are an important component for the development of minimally invasive surgeries. Their size is one of the most critical aspects, because smaller and less rigid endoscopes enable higher agility, facil...

    Authors: Johannes E. Fröch, Luocheng Huang, Quentin A.A. Tanguy, Shane Colburn, Alan Zhan, Andrea Ravagli, Eric J. Seibel, Karl F. Böhringer and Arka Majumdar
    Citation: eLight 2023 3:13
  9. Spatiotemporal vortices of light, featuring transverse orbital angular momentum (OAM) and energy circulation in the spatiotemporal domain, have received increasing attention recently. The experimental realizat...

    Authors: Chenhao Wan, Andy Chong and Qiwen Zhan
    Citation: eLight 2023 3:11
  10. The wide application of optical spectroscopy makes miniaturized spectrometers with fundamental importance. The scalability, high-performance, low-cost, and small footprint are still contradicting each other an...

    Authors: Qingqing Cen, Sijie Pian, Xinhang Liu, Yuwei Tang, Xinying He and Yaoguang Ma
    Citation: eLight 2023 3:9
  11. Two-dimensional semiconductors (2DSCs) have attracted considerable interests for optoelectronic devices, but are often plagued by the difficulties in tailoring the charge doping type and poor optical absorptio...

    Authors: Sung-Joon Lee, Hung-Chieh Cheng, Yiliu Wang, Boxuan Zhou, Dehui Li, Gongming Wang, Yuan Liu, Jian Guo, Hao Wu, Dae Joon Kang, Yu Huang and Xiangfeng Duan
    Citation: eLight 2023 3:8
  12. X-ray ptychographic tomography is a nondestructive method for three dimensional (3D) imaging with nanometer-sized resolvable features. The size of the volume that can be imaged is almost arbitrary, limited onl...

    Authors: Ziling Wu, Iksung Kang, Yudong Yao, Yi Jiang, Junjing Deng, Jeffrey Klug, Stefan Vogt and George Barbastathis
    Citation: eLight 2023 3:7

    The Correction to this article has been published in eLight 2023 3:12

  13. The orbital degrees of freedom play a pivotal role in understanding fundamental phenomena in solid-state materials as well as exotic quantum states of matter including orbital superfluidity and topological sem...

    Authors: Yahui Zhang, Domenico Bongiovanni, Ziteng Wang, Xiangdong Wang, Shiqi Xia, Zhichan Hu, Daohong Song, Dario Jukić, Jingjun Xu, Roberto Morandotti, Hrvoje Buljan and Zhigang Chen
    Citation: eLight 2023 3:5
  14. Weyl semimetals are topological materials whose electron quasiparticles obey the Weyl equation. They possess many unusual properties that may lead to new applications. This is a tutorial review of the optical ...

    Authors: Cheng Guo, Viktar S. Asadchy, Bo Zhao and Shanhui Fan
    Citation: eLight 2023 3:2
  15. Integrated silicon photonics has sparked a significant ramp-up of investment in both academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart of this platform is the light ...

    Authors: Zhican Zhou, Xiangpeng Ou, Yuetong Fang, Emad Alkhazraji, Renjing Xu, Yating Wan and John E. Bowers
    Citation: eLight 2023 3:1
  16. Nanophotonic engineering provides an effective platform to manipulate thermal emission on-demand, enabling unprecedented heat management superior to conventional bulk materials. Amongst a plethora of nanophoto...

    Authors: Tianji Liu, Cheng Guo, Wei Li and Shanhui Fan
    Citation: eLight 2022 2:25
  17. The history of computing started with analog computers consisting of physical devices performing specialized functions such as predicting the position of astronomical bodies and the trajectory of cannon balls....

    Authors: Bahram Jalali and Callen MacPhee
    Citation: eLight 2022 2:24

    The Correction to this article has been published in eLight 2023 3:12

  18. Hopfions are three-dimensional (3D) topological states discovered in field theory, magnetics, and hydrodynamics that resemble particle-like objects in physical space. Hopfions inherit the topological features ...

    Authors: Chenhao Wan, Yijie Shen, Andy Chong and Qiwen Zhan
    Citation: eLight 2022 2:22
  19. Bifacial monolithic all-perovskite tandem solar cells have the promise of delivering higher output power density by inheriting the advantages of both tandem and bifacial architectures simultaneously. Herein, w...

    Authors: Hongjiang Li, Yurui Wang, Han Gao, Mei Zhang, Renxing Lin, Pu Wu, Ke Xiao and Hairen Tan
    Citation: eLight 2022 2:21
  20. Although small EVs (sEVs) have been used widely as biomarkers in disease diagnosis, their heterogeneity at single EV level has rarely been revealed. This is because high-resolution characterization of sEV pres...

    Authors: Guan Huang, Yongtao Liu, Dejiang Wang, Ying Zhu, Shihui Wen, Juanfang Ruan and Dayong Jin
    Citation: eLight 2022 2:20

    The Correction to this article has been published in eLight 2023 3:12

  21. Whispering-gallery-mode (WGM) cavity is important for exploring physics of strong light-matter interaction. Yet it suffers from the notorious radiation loss universally due to the light tunneling effect throug...

    Authors: Qingtao Ba, Yangyang Zhou, Jue Li, Wen Xiao, Longfang Ye, Yineng Liu, Jin-hui Chen and Huanyang Chen
    Citation: eLight 2022 2:19
  22. Nowadays, viral infections are one of the greatest challenges for medical sciences and human society. While antiviral compounds and chemical inactivation remain inadequate, physical approaches based on irradia...

    Authors: Mohammad Sadraeian, Le Zhang, Farzaneh Aavani, Esmaeil Biazar and Dayong Jin
    Citation: eLight 2022 2:18
  23. Scintillators are of significance for the realization of indirect X-ray detection and X-ray excited optical luminescence (XEOL) imaging. However, commercial bulk scintillators not only require complex fabricat...

    Authors: Lei Lei, Yubin Wang, Andrey Kuzmin, Youjie Hua, Jingtao Zhao, Shiqing Xu and Paras N. Prasad
    Citation: eLight 2022 2:17
  24. Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. Despite its huge success in bringing scientific fiction (such as invisibilit...

    Authors: Jieun Yim, Nitish Chandra, Xilin Feng, Zihe Gao, Shuang Wu, Tianwei Wu, Haoqi Zhao, Natalia M. Litchinitser and Liang Feng
    Citation: eLight 2022 2:16
  25. Modern optical imaging techniques provide powerful tools for observing cortical structure and functions at high resolutions. Various skull windows have been established for different applications of cortical i...

    Authors: Dongyu Li, Zhengwu Hu, Hequn Zhang, Qihang Yang, Liang Zhu, Yin Liu, Tingting Yu, Jingtan Zhu, Jiamin Wu, Jing He, Peng Fei, Wang Xi, Jun Qian and Dan Zhu
    Citation: eLight 2022 2:15
  26. Privacy protection is a growing concern in the digital era, with machine vision techniques widely used throughout public and private settings. Existing methods address this growing problem by, e.g., encrypting...

    Authors: Bijie Bai, Yi Luo, Tianyi Gan, Jingtian Hu, Yuhang Li, Yifan Zhao, Deniz Mengu, Mona Jarrahi and Aydogan Ozcan
    Citation: eLight 2022 2:14
  27. The interaction between cell surface receptors and extracellular ligands is highly related to many physiological processes in living systems. Many techniques have been developed to measure the ligand-receptor ...

    Authors: Yaoran Liu, Hongru Ding, Jingang Li, Xin Lou, Mingcheng Yang and Yuebing Zheng
    Citation: eLight 2022 2:13
  28. The topological features of optical vortices have been opening opportunities for free-space and on-chip photonic technologies, e.g., for multiplexed optical communications and robust information transport. In ...

    Authors: Mingsong Wang, Guangwei Hu, Saroj Chand, Michele Cotrufo, Yohannes Abate, Kenji Watanabe, Takashi Taniguchi, Gabriele Grosso, Cheng-Wei Qiu and Andrea Alù
    Citation: eLight 2022 2:12
  29. Brain-computer interfaces (BCIs), invasive or non-invasive, have projected unparalleled vision and promise for assisting patients in need to better their interaction with the surroundings. Inspired by the BCI...

    Authors: Qian Ma, Wei Gao, Qiang Xiao, Lingsong Ding, Tianyi Gao, Yajun Zhou, Xinxin Gao, Tao Yan, Che Liu, Ze Gu, Xianghong Kong, Qammer H. Abbasi, Lianlin Li, Cheng-Wei Qiu, Yuanqing Li and Tie Jun Cui
    Citation: eLight 2022 2:11
  30. The power of controlling objects with mind has captivated a popular fascination to human beings. One possible path is to employ brain signal collecting technologies together with emerging programmable metasurf...

    Authors: Ruichao Zhu, Jiafu Wang, Tianshuo Qiu, Yajuan Han, Xinmin Fu, Yuzhi Shi, Xingsi Liu, Tonghao Liu, Zhongtao Zhang, Zuntian Chu, Cheng-Wei Qiu and Shaobo Qu
    Citation: eLight 2022 2:10
  31. Neutron-transmutation doping (NTD) has been demonstrated for the first time in this work for substitutional introduction of tin (Sn) shallow donors into two-dimensional (2D) layered indium selenide (InSe) to m...

    Authors: Zhinan Guo, Yonghong Zeng, Fanxu Meng, Hengze Qu, Shengli Zhang, Shipeng Hu, Sidi Fan, Haibo Zeng, Rui Cao, Paras N. Prasad, Dianyuan Fan and Han Zhang
    Citation: eLight 2022 2:9
  32. Recent progress in nanophotonics and material science has inspired a strong interest in optically-induced material dynamics, opening new research directions in the distinct fields of Floquet matter and time me...

    Authors: Shixiong Yin, Emanuele Galiffi and Andrea Alù
    Citation: eLight 2022 2:8
  33. Controlling electromagnetic waves and information simultaneously by information metasurfaces is of central importance in modern society. Intelligent metasurfaces are smart platforms to manipulate the wave–info...

    Authors: Lianlin Li, Hanting Zhao, Che Liu, Long Li and Tie Jun Cui
    Citation: eLight 2022 2:7
  34. Water plays a vital role in biological metabolism and it would be essential to trace the water content non-invasively, such as leveraging the vibrational absorption peak of the O–H bond. However, due to the la...

    Authors: Jiawei Shi, Mingsheng Li, Huajun Tang, Jiqiang Kang, Najia Sharmin, Amir Rosenthal and Kenneth K. Y. Wong
    Citation: eLight 2022 2:6
  35. Achieving localization with molecular precision has been of great interest for extending fluorescence microscopy to nanoscopy. MINFLUX pioneers this transition through point spread function (PSF) engineering, ...

    Authors: Kun Zhao, Xinzhu Xu, Wei Ren, Dayong Jin and Peng Xi
    Citation: eLight 2022 2:5
  36. Optical technologies have been widely used in information security owing to its parallel and high-speed processing capability. However, the most critical problem with current optical encryption techniques is t...

    Authors: Junfeng Hou and Guohai Situ
    Citation: eLight 2022 2:3
  37. Imaging through diffusers presents a challenging problem with various digital image reconstruction solutions demonstrated to date using computers. Here, we present a computer-free, all-optical image reconstruc...

    Authors: Yi Luo, Yifan Zhao, Jingxi Li, Ege Çetintaş, Yair Rivenson, Mona Jarrahi and Aydogan Ozcan
    Citation: eLight 2022 2:4
  38. Optical metamaterials have presented an innovative method of manipulating light. Hyperbolic metamaterials have an extremely high anisotropy with a hyperbolic dispersion relation. They are able to support high-k m...

    Authors: Dasol Lee, Sunae So, Guangwei Hu, Minkyung Kim, Trevon Badloe, Hanlyun Cho, Jaekyung Kim, Hongyoon Kim, Cheng-Wei Qiu and Junsuk Rho
    Citation: eLight 2022 2:1
  39. Recent advances in engineered material technologies (e.g., photonic crystals, metamaterials, plasmonics, etc.) provide valuable tools to control Cherenkov radiation. In all these approaches, however, the parti...

    Authors: Hao Hu, Xiao Lin, Liang Jie Wong, Qianru Yang, Dongjue Liu, Baile Zhang and Yu Luo
    Citation: eLight 2022 2:2
  40. The use of optical tweezers to measure forces acting upon microscopic particles has revolutionised fields from material science to cell biology. However, despite optical control capabilities, this technology i...

    Authors: Iliya D. Stoev, Benjamin Seelbinder, Elena Erben, Nicola Maghelli and Moritz Kreysing
    Citation: eLight 2021 1:7
  41. Two dimensional excitonic devices are of great potential to overcome the dilemma of response time and integration in current generation of electron or/and photon based systems. The ultrashort diffusion length ...

    Authors: Pengfei Qi, Yang Luo, Beibei Shi, Wei Li, Donglin Liu, Liheng Zheng, Zhixin Liu, Yanglong Hou and Zheyu Fang
    Citation: eLight 2021 1:6
  42. Nanophotonic platforms such as metasurfaces, achieving arbitrary phase profiles within ultrathin thickness, emerge as miniaturized, ultracompact and kaleidoscopic optical vortex generators. However, it is ofte...

    Authors: Zhongwei Jin, David Janoschka, Junhong Deng, Lin Ge, Pascal Dreher, Bettina Frank, Guangwei Hu, Jincheng Ni, Yuanjie Yang, Jing Li, Changyuan Yu, Dangyuan Lei, Guixin Li, Shumin Xiao, Shengtao Mei, Harald Giessen…
    Citation: eLight 2021 1:5
  43. High-throughput computational imaging requires efficient processing algorithms to retrieve multi-dimensional and multi-scale information. In computational phase imaging, phase retrieval (PR) is required to rec...

    Authors: Xuyang Chang, Liheng Bian and Jun Zhang
    Citation: eLight 2021 1:4

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