Reconstructive spectrometers taper down in price Xiaoqi CuiYi ZhangZhipei Sun News & Views Open Access 07 Jun 2023 Silicon photonic Bessel–Gaussian beam generation unlocks new possibilities for long-range sensing Sangsik Kim News & Views Open Access 07 Jun 2023 Mold-free self-assembled scalable microlens arrays with ultrasmooth surface and record-high resolution Zhihao LiuGuangwei HuGuofu Zhou Article Open Access 07 Jun 2023 A new function of photochromic spiropyran: an efficient photoinitiator for two-photon polymerization New function of photochromic spiropyran molecules for initiating two-photon photopolymerization via direct laser writing holds great potential in fast 3D printing technology. Xuanhang WangBin XuWenjing Tian News & Views Open Access 06 Jun 2023 Perovskite sensitized 2D photodiodes Dong LiAnlian Pan News & Views Open Access 06 Jun 2023 Light People: Professor Liangcai Cao Prof. Liangcai Cao spoke about the current opportunities and challenges of holography and took us on a journey through the history of holography development. Tingting Sun Light People Open Access 05 Jun 2023 Far-field super-resolution chemical microscopy This paper reviews recent advances that have pushed the boundary of far-field chemical microscopy in terms of spatial resolution as well as their applications in biomedical research, material characterization, environmental study, etc. Mingwei TangYubing HanJi-Xin Cheng Review Article Open Access 05 Jun 2023 Directional terahertz holography with thermally active Janus metasurface A thermally active terahertz Janus metasurface with direction dependence and reconfigurability was reported. Bidirectional and dynamic control of electromagnetic functions, such as asymmetric meta-lens and directional holographic imager, were achieved. Benwen ChenShengxin YangPeiheng Wu Article Open Access 05 Jun 2023 Anisotropic leaky-like perturbation with subwavelength gratings enables zero crosstalk Anisotropic leaky mode, defying the expectation, achieves zero crosstalk, enhancing photonic integration density. Applied in TM mode using subwavelength gratings, coupling length extends 100x. Md Faiyaz KabirMd Borhan MiaSangsik Kim Article Open Access 02 Jun 2023 Ultrafast terahertz emission from emerging symmetry-broken materials Insights from recent THz emission studies involving quantum materials and low-dimensional systems are surveyed from the standpoints of dynamical mechanisms and basic symmetries, highlighting interplays between intrinsic and designer structuring. Jacob PettinePrashant PadmanabhanHou-Tong Chen Review Article Open Access 01 Jun 2023 Photonic structures in radiative cooling Minjae LeeGwansik KimSeung Hwan Ko Review Article Open Access 01 Jun 2023