Broadband nonreciprocal thermal emissivity and absorptivity Nonreciprocal thermal absorptivity and emissivity is shown over a broadband spectrum and specified angular range for a gradient epsilon-near-zero photonic structure. Komron J. ShayeganJae S. HwangHarry A. Atwater ArticleOpen Access24 Jul 2024 A memristive-photoconductive transduction methodology for accurately nondestructive memory readout A memristive-photoconductive transduction (MPT) behavior was firstly observed in a memristor based on porous P3HT, which is the direct signal for cell resistance states detection, enabling accurate and nondestructive readout. Zhe ZhouYueyue WuJuqing Liu ArticleOpen Access23 Jul 2024 Bottom-up construction of low-dimensional perovskite thick films for high-performance X-ray detection and imaging The quasi-two-dimensional perovskite films were successfully fabricated through a precisely controlled crystallization process by utilizing a mixed atmosphere of CH3NH2 and NH3, resulting in the development of an ultra-sensitive perovskite/TiO2 heterojunction X-ray detector. Siyin DongZhenghui FanLiang Shen ArticleOpen Access23 Jul 2024 Nonlinear encoding in diffractive information processing using linear optical materials Yuhang LiJingxi LiAydogan Ozcan ArticleOpen Access23 Jul 2024 Tunable single emitter-cavity coupling strength through waveguide-assisted energy quantum transfer Yuan LiuHongwei ZhouHong-Bo Sun ArticleOpen Access18 Jul 2024 Arbitrarily rotating polarization direction and manipulating phases in linear and nonlinear ways using programmable metasurface The polarization direction, beam steering, and frequency of the reflected wave are controlled by the STPC matrix. Wei LiuSi Ran WangTie Jun Cui ArticleOpen Access18 Jul 2024 Ptycho-endoscopy on a lensless ultrathin fiber bundle tip SAPE combines synthetic aperture radar, ptychography, and lensless endoscopy to surpass the diffraction limit, enabling high-resolution endoscopic imaging with a handheld imaging probe for biomedical and industrial applications. Pengming SongRuihai WangGuoan Zheng ArticleOpen Access17 Jul 2024 Pulse-doubling perovskite nanowire lasers enabled by phonon-assisted multistep energy funneling Perovskite multiple quantum wells are promising gain mediums for laser pulse multiplication. Here, the authors demonstrate a perovskite double-pulsed nanowire laser with pulse interval of 22 ps. Chunhu ZhaoJia GuoGuichuan Xing ArticleOpen Access17 Jul 2024 Electrically tunable third-harmonic generation using intersubband polaritonic metasurfaces Electrically tunable mid-infrared third-harmonic generation is experimentally demonstrated using an intersubband polaritonic metasurface based on a multiple quantum-well structure with Stark tuning of the third-order nonlinear response. Seongjin ParkJaeyeon YuJongwon Lee ArticleOpen Access17 Jul 2024 Topologically protected entanglement switching around exceptional points A topologically protected chiral switch for entangled states with high fidelity is realized by encircling the exceptional points on two overlapping Riemann energy surfaces. Zan TangTian ChenXiangdong Zhang ArticleOpen Access16 Jul 2024 Broadband and fabrication-tolerant 3-dB couplers with topological valley edge modes By bridging topology with nanophotonics, we realize on-chip topological 3-dB couplers with the superiority on the broad bandwidth of 48 nm and the tolerance against dimensional errors of 20 nm. Guo-Jing TangXiao-Dong ChenJian-Wen Dong ArticleOpen Access16 Jul 2024